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# Copyright 2012-2016 The Meson development team

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at

#     http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import os, platform, re, sys, shlex, shutil, subprocess, typing

from . import coredata
from .linkers import ArLinker, ArmarLinker, VisualStudioLinker, DLinker, CcrxLinker, IntelVisualStudioLinker
from . import mesonlib
from .mesonlib import (
    MesonException, EnvironmentException, MachineChoice, Popen_safe,
    PerMachineDefaultable, PerThreeMachineDefaultable
)
from . import mlog

from .envconfig import (
    BinaryTable, Directories, MachineInfo, MesonConfigFile,
    Properties, known_cpu_families,
)
from . import compilers
from .compilers import (
    Compiler,
    CompilerType,
    is_assembly,
    is_header,
    is_library,
    is_llvm_ir,
    is_object,
    is_source,
)
from functools import lru_cache
from .compilers import (
    ArmCCompiler,
    ArmCPPCompiler,
    ArmclangCCompiler,
    ArmclangCPPCompiler,
    ClangCCompiler,
    ClangCPPCompiler,
    ClangObjCCompiler,
    ClangObjCPPCompiler,
    ClangClCCompiler,
    ClangClCPPCompiler,
    FlangFortranCompiler,
    G95FortranCompiler,
    GnuCCompiler,
    GnuCPPCompiler,
    GnuFortranCompiler,
    GnuObjCCompiler,
    GnuObjCPPCompiler,
    ElbrusCCompiler,
    ElbrusCPPCompiler,
    ElbrusFortranCompiler,
    EmscriptenCCompiler,
    EmscriptenCPPCompiler,
    IntelCCompiler,
    IntelCPPCompiler,
    IntelClCCompiler,
    IntelClCPPCompiler,
    IntelFortranCompiler,
    IntelClFortranCompiler,
    JavaCompiler,
    MonoCompiler,
    CudaCompiler,
    VisualStudioCsCompiler,
    NAGFortranCompiler,
    Open64FortranCompiler,
    PathScaleFortranCompiler,
    PGICCompiler,
    PGICPPCompiler,
    PGIFortranCompiler,
    RustCompiler,
    CcrxCCompiler,
    CcrxCPPCompiler,
    SunFortranCompiler,
    ValaCompiler,
    VisualStudioCCompiler,
    VisualStudioCPPCompiler,
)

build_filename = 'meson.build'

CompilersDict = typing.Dict[str, Compiler]

def detect_gcovr(min_version='3.3', new_rootdir_version='4.2', log=False):
    gcovr_exe = 'gcovr'
    try:
        p, found = Popen_safe([gcovr_exe, '--version'])[0:2]
    except (FileNotFoundError, PermissionError):
        # Doesn't exist in PATH or isn't executable
        return None, None
    found = search_version(found)
    if p.returncode == 0 and mesonlib.version_compare(found, '>=' + min_version):
        if log:
            mlog.log('Found gcovr-{} at {}'.format(found, shlex.quote(shutil.which(gcovr_exe))))
        return gcovr_exe, mesonlib.version_compare(found, '>=' + new_rootdir_version)
    return None, None

def find_coverage_tools():
    gcovr_exe, gcovr_new_rootdir = detect_gcovr()

    lcov_exe = 'lcov'
    genhtml_exe = 'genhtml'

    if not mesonlib.exe_exists([lcov_exe, '--version']):
        lcov_exe = None
    if not mesonlib.exe_exists([genhtml_exe, '--version']):
        genhtml_exe = None

    return gcovr_exe, gcovr_new_rootdir, lcov_exe, genhtml_exe

def detect_ninja(version: str = '1.5', log: bool = False) -> str:
    env_ninja = os.environ.get('NINJA', None)
    for n in [env_ninja] if env_ninja else ['ninja', 'ninja-build', 'samu']:
        try:
            p, found = Popen_safe([n, '--version'])[0:2]
        except (FileNotFoundError, PermissionError):
            # Doesn't exist in PATH or isn't executable
            continue
        found = found.strip()
        # Perhaps we should add a way for the caller to know the failure mode
        # (not found or too old)
        if p.returncode == 0 and mesonlib.version_compare(found, '>=' + version):
            n = shutil.which(n)
            if log:
                name = os.path.basename(n)
                if name.endswith('-' + found):
                    name = name[0:-1 - len(found)]
                if name == 'ninja-build':
                    name = 'ninja'
                if name == 'samu':
                    name = 'samurai'
                mlog.log('Found {}-{} at {}'.format(name, found, shlex.quote(n)))
            return n

def detect_native_windows_arch():
    """
    The architecture of Windows itself: x86, amd64 or arm64
    """
    # These env variables are always available. See:
    # https://msdn.microsoft.com/en-us/library/aa384274(VS.85).aspx
    # https://blogs.msdn.microsoft.com/david.wang/2006/03/27/howto-detect-process-bitness/
    arch = os.environ.get('PROCESSOR_ARCHITEW6432', '').lower()
    if not arch:
        try:
            # If this doesn't exist, something is messing with the environment
            arch = os.environ['PROCESSOR_ARCHITECTURE'].lower()
        except KeyError:
            raise EnvironmentException('Unable to detect native OS architecture')
    return arch

def detect_windows_arch(compilers: CompilersDict) -> str:
    """
    Detecting the 'native' architecture of Windows is not a trivial task. We
    cannot trust that the architecture that Python is built for is the 'native'
    one because you can run 32-bit apps on 64-bit Windows using WOW64 and
    people sometimes install 32-bit Python on 64-bit Windows.

    We also can't rely on the architecture of the OS itself, since it's
    perfectly normal to compile and run 32-bit applications on Windows as if
    they were native applications. It's a terrible experience to require the
    user to supply a cross-info file to compile 32-bit applications on 64-bit
    Windows. Thankfully, the only way to compile things with Visual Studio on
    Windows is by entering the 'msvc toolchain' environment, which can be
    easily detected.

    In the end, the sanest method is as follows:
    1. Check environment variables that are set by Windows and WOW64 to find out
       if this is x86 (possibly in WOW64), if so use that as our 'native'
       architecture.
    2. If the compiler toolchain target architecture is x86, use that as our
      'native' architecture.
    3. Otherwise, use the actual Windows architecture

    """
    os_arch = detect_native_windows_arch()
    if os_arch == 'x86':
        return os_arch
    # If we're on 64-bit Windows, 32-bit apps can be compiled without
    # cross-compilation. So if we're doing that, just set the native arch as
    # 32-bit and pretend like we're running under WOW64. Else, return the
    # actual Windows architecture that we deduced above.
    for compiler in compilers.values():
        if compiler.id == 'msvc' and (compiler.target == 'x86' or compiler.target == '80x86'):
            return 'x86'
        if compiler.id == 'clang-cl' and compiler.target == 'x86':
            return 'x86'
        if compiler.id == 'gcc' and compiler.has_builtin_define('__i386__'):
            return 'x86'
    return os_arch

def any_compiler_has_define(compilers: CompilersDict, define):
    for c in compilers.values():
        try:
            if c.has_builtin_define(define):
                return True
        except mesonlib.MesonException:
            # Ignore compilers that do not support has_builtin_define.
            pass
    return False

def detect_cpu_family(compilers: CompilersDict) -> str:
    """
    Python is inconsistent in its platform module.
    It returns different values for the same cpu.
    For x86 it might return 'x86', 'i686' or somesuch.
    Do some canonicalization.
    """
    if mesonlib.is_windows():
        trial = detect_windows_arch(compilers)
    elif mesonlib.is_freebsd() or mesonlib.is_openbsd():
        trial = platform.processor().lower()
    else:
        trial = platform.machine().lower()
    if trial.startswith('i') and trial.endswith('86'):
        trial = 'x86'
    elif trial == 'bepc':
        trial = 'x86'
    elif trial.startswith('arm'):
        trial = 'arm'
    elif trial.startswith(('powerpc64', 'ppc64')):
        trial = 'ppc64'
    elif trial.startswith(('powerpc', 'ppc')):
        trial = 'ppc'
    elif trial == 'macppc':
        trial = 'ppc'
    elif trial in ('amd64', 'x64', 'i86pc'):
        trial = 'x86_64'

    # On Linux (and maybe others) there can be any mixture of 32/64 bit code in
    # the kernel, Python, system, 32-bit chroot on 64-bit host, etc. The only
    # reliable way to know is to check the compiler defines.
    if trial == 'x86_64':
        if any_compiler_has_define(compilers, '__i386__'):
            trial = 'x86'
    elif trial == 'aarch64':
        if any_compiler_has_define(compilers, '__arm__'):
            trial = 'arm'
    # Add more quirks here as bugs are reported. Keep in sync with detect_cpu()
    # below.
    elif trial == 'parisc64':
        # ATM there is no 64 bit userland for PA-RISC. Thus always
        # report it as 32 bit for simplicity.
        trial = 'parisc'

    if trial not in known_cpu_families:
        mlog.warning('Unknown CPU family {!r}, please report this at '
                     'https://github.com/mesonbuild/meson/issues/new with the'
                     'output of `uname -a` and `cat /proc/cpuinfo`'.format(trial))

    return trial

def detect_cpu(compilers: CompilersDict):
    if mesonlib.is_windows():
        trial = detect_windows_arch(compilers)
    elif mesonlib.is_freebsd() or mesonlib.is_openbsd():
        trial = platform.processor().lower()
    else:
        trial = platform.machine().lower()
    if trial in ('amd64', 'x64', 'i86pc'):
        trial = 'x86_64'
    if trial == 'x86_64':
        # Same check as above for cpu_family
        if any_compiler_has_define(compilers, '__i386__'):
            trial = 'i686' # All 64 bit cpus have at least this level of x86 support.
    elif trial == 'aarch64':
        # Same check as above for cpu_family
        if any_compiler_has_define(compilers, '__arm__'):
            trial = 'arm'
    elif trial == 'e2k':
        # Make more precise CPU detection for Elbrus platform.
        trial = platform.processor().lower()
    # Add more quirks here as bugs are reported. Keep in sync with
    # detect_cpu_family() above.
    return trial

def detect_system():
    system = platform.system().lower()
    if system.startswith('cygwin'):
        return 'cygwin'
    return system

def detect_msys2_arch():
    if 'MSYSTEM_CARCH' in os.environ:
        return os.environ['MSYSTEM_CARCH']
    return None

def detect_machine_info(compilers: typing.Optional[CompilersDict] = None) -> MachineInfo:
    """Detect the machine we're running on

    If compilers are not provided, we cannot know as much. None out those
    fields to avoid accidentally depending on partial knowledge. The
    underlying ''detect_*'' method can be called to explicitly use the
    partial information.
    """
    return MachineInfo(
        detect_system(),
        detect_cpu_family(compilers) if compilers is not None else None,
        detect_cpu(compilers) if compilers is not None else None,
        sys.byteorder)

# TODO make this compare two `MachineInfo`s purely. How important is the
# `detect_cpu_family({})` distinction? It is the one impediment to that.
def machine_info_can_run(machine_info: MachineInfo):
    """Whether we can run binaries for this machine on the current machine.

    Can almost always run 32-bit binaries on 64-bit natively if the host
    and build systems are the same. We don't pass any compilers to
    detect_cpu_family() here because we always want to know the OS
    architecture, not what the compiler environment tells us.
    """
    if machine_info.system != detect_system():
        return False
    true_build_cpu_family = detect_cpu_family({})
    return \
        (machine_info.cpu_family == true_build_cpu_family) or \
        ((true_build_cpu_family == 'x86_64') and (machine_info.cpu_family == 'x86'))

def search_version(text):
    # Usually of the type 4.1.4 but compiler output may contain
    # stuff like this:
    # (Sourcery CodeBench Lite 2014.05-29) 4.8.3 20140320 (prerelease)
    # Limiting major version number to two digits seems to work
    # thus far. When we get to GCC 100, this will break, but
    # if we are still relevant when that happens, it can be
    # considered an achievement in itself.
    #
    # This regex is reaching magic levels. If it ever needs
    # to be updated, do not complexify but convert to something
    # saner instead.
    # We'll demystify it a bit with a verbose definition.
    version_regex = re.compile(r"""
    (?<!                # Zero-width negative lookbehind assertion
        (
            \d          # One digit
            | \.        # Or one period
        )               # One occurrence
    )
    # Following pattern must not follow a digit or period
    (
        \d{1,2}         # One or two digits
        (
            \.\d+       # Period and one or more digits
        )+              # One or more occurrences
        (
            -[a-zA-Z0-9]+   # Hyphen and one or more alphanumeric
        )?              # Zero or one occurrence
    )                   # One occurrence
    """, re.VERBOSE)
    match = version_regex.search(text)
    if match:
        return match.group(0)
    return 'unknown version'

class Environment:
    private_dir = 'meson-private'
    log_dir = 'meson-logs'
    info_dir = 'meson-info'

    def __init__(self, source_dir, build_dir, options):
        self.source_dir = source_dir
        self.build_dir = build_dir
        # Do not try to create build directories when build_dir is none.
        # This reduced mode is used by the --buildoptions introspector
        if build_dir is not None:
            self.scratch_dir = os.path.join(build_dir, Environment.private_dir)
            self.log_dir = os.path.join(build_dir, Environment.log_dir)
            self.info_dir = os.path.join(build_dir, Environment.info_dir)
            os.makedirs(self.scratch_dir, exist_ok=True)
            os.makedirs(self.log_dir, exist_ok=True)
            os.makedirs(self.info_dir, exist_ok=True)
            try:
                self.coredata = coredata.load(self.get_build_dir())
                self.first_invocation = False
            except FileNotFoundError:
                self.create_new_coredata(options)
            except MesonException as e:
                # If we stored previous command line options, we can recover from
                # a broken/outdated coredata.
                if os.path.isfile(coredata.get_cmd_line_file(self.build_dir)):
                    mlog.warning('Regenerating configuration from scratch.')
                    mlog.log('Reason:', mlog.red(str(e)))
                    coredata.read_cmd_line_file(self.build_dir, options)
                    self.create_new_coredata(options)
                else:
                    raise e
        else:
            # Just create a fresh coredata in this case
            self.scratch_dir = ''
            self.create_new_coredata(options)

        ## locally bind some unfrozen configuration

        # Stores machine infos, the only *three* machine one because we have a
        # target machine info on for the user (Meson never cares about the
        # target machine.)
        machines = PerThreeMachineDefaultable()

        # Similar to coredata.compilers, but lower level in that there is no
        # meta data, only names/paths.
        binaries = PerMachineDefaultable()

        # Misc other properties about each machine.
        properties = PerMachineDefaultable()

        # Store paths for native and cross build files. There is no target
        # machine information here because nothing is installed for the target
        # architecture, just the build and host architectures
        paths = PerMachineDefaultable()

        ## Setup build machine defaults

        # Will be fully initialized later using compilers later.
        machines.build = detect_machine_info()

        # Just uses hard-coded defaults and environment variables. Might be
        # overwritten by a native file.
        binaries.build = BinaryTable()
        properties.build = Properties()

        ## Read in native file(s) to override build machine configuration

        if self.coredata.config_files is not None:
            config = MesonConfigFile.from_config_parser(
                coredata.load_configs(self.coredata.config_files))
            binaries.build = BinaryTable(config.get('binaries', {}))
            paths.build = Directories(**config.get('paths', {}))

        ## Read in cross file(s) to override host machine configuration

        if self.coredata.cross_files:
            config = MesonConfigFile.from_config_parser(
                coredata.load_configs(self.coredata.cross_files))
            properties.host = Properties(config.get('properties', {}), False)
            binaries.host = BinaryTable(config.get('binaries', {}), False)
            if 'host_machine' in config:
                machines.host = MachineInfo.from_literal(config['host_machine'])
            if 'target_machine' in config:
                machines.target = MachineInfo.from_literal(config['target_machine'])
            paths.host = Directories(**config.get('paths', {}))

        ## "freeze" now initialized configuration, and "save" to the class.

        self.machines = machines.default_missing()
        self.binaries = binaries.default_missing()
        self.properties = properties.default_missing()
        self.paths = paths.default_missing()

        exe_wrapper = self.binaries.host.lookup_entry('exe_wrapper')
        if exe_wrapper is not None:
            from .dependencies import ExternalProgram
            self.exe_wrapper = ExternalProgram.from_bin_list(
                self.binaries.host,
                'exe_wrapper')
        else:
            self.exe_wrapper = None

        self.cmd_line_options = options.cmd_line_options.copy()

        # List of potential compilers.
        if mesonlib.is_windows():
            # Intel C and C++ compiler is icl on Windows, but icc and icpc elsewhere.
            # Search for icl before cl, since Intel "helpfully" provides a
            # cl.exe that returns *exactly the same thing* that microsofts
            # cl.exe does, and if icl is present, it's almost certainly what
            # you want.
            self.default_c = ['icl', 'cl', 'cc', 'gcc', 'clang', 'clang-cl', 'pgcc']
            # There is currently no pgc++ for Windows, only for  Mac and Linux.
            self.default_cpp = ['icl', 'cl', 'c++', 'g++', 'clang++', 'clang-cl']
            self.default_fortran = ['ifort', 'gfortran', 'flang', 'pgfortran', 'g95']
        else:
            self.default_c = ['cc', 'gcc', 'clang', 'pgcc', 'icc']
            self.default_cpp = ['c++', 'g++', 'clang++', 'pgc++', 'icpc']
            self.default_fortran = ['gfortran', 'flang', 'pgfortran', 'ifort', 'g95']
        if mesonlib.is_windows():
            self.default_cs = ['csc', 'mcs']
        else:
            self.default_cs = ['mcs', 'csc']
        self.default_objc = ['cc']
        self.default_objcpp = ['c++']
        self.default_d = ['ldc2', 'ldc', 'gdc', 'dmd']
        self.default_java = ['javac']
        self.default_cuda = ['nvcc']
        self.default_rust = ['rustc']
        self.default_swift = ['swiftc']
        self.default_vala = ['valac']
        self.default_static_linker = ['ar']
        self.default_strip = ['strip']
        self.vs_static_linker = ['lib']
        self.clang_cl_static_linker = ['llvm-lib']
        self.cuda_static_linker = ['nvlink']
        self.gcc_static_linker = ['gcc-ar']
        self.clang_static_linker = ['llvm-ar']
        self.default_cmake = ['cmake']
        self.default_pkgconfig = ['pkg-config']

    def create_new_coredata(self, options):
        # WARNING: Don't use any values from coredata in __init__. It gets
        # re-initialized with project options by the interpreter during
        # build file parsing.
        self.coredata = coredata.CoreData(options, self.scratch_dir)
        # Used by the regenchecker script, which runs meson
        self.coredata.meson_command = mesonlib.meson_command
        self.first_invocation = True

    def is_cross_build(self) -> bool:
        return not self.machines.matches_build_machine(MachineChoice.HOST)

    def dump_coredata(self):
        return coredata.save(self.coredata, self.get_build_dir())

    def get_script_dir(self):
        import mesonbuild.scripts
        return os.path.dirname(mesonbuild.scripts.__file__)

    def get_log_dir(self):
        return self.log_dir

    def get_coredata(self):
        return self.coredata

    def get_build_command(self, unbuffered=False):
        cmd = mesonlib.meson_command[:]
        if unbuffered and 'python' in os.path.basename(cmd[0]):
            cmd.insert(1, '-u')
        return cmd

    def is_header(self, fname):
        return is_header(fname)

    def is_source(self, fname):
        return is_source(fname)

    def is_assembly(self, fname):
        return is_assembly(fname)

    def is_llvm_ir(self, fname):
        return is_llvm_ir(fname)

    def is_object(self, fname):
        return is_object(fname)

    @lru_cache(maxsize=None)
    def is_library(self, fname):
        return is_library(fname)

    @staticmethod
    def get_gnu_compiler_defines(compiler):
        """
        Detect GNU compiler platform type (Apple, MinGW, Unix)
        """
        # Arguments to output compiler pre-processor defines to stdout
        # gcc, g++, and gfortran all support these arguments
        args = compiler + ['-E', '-dM', '-']
        p, output, error = Popen_safe(args, write='', stdin=subprocess.PIPE)
        if p.returncode != 0:
            raise EnvironmentException('Unable to detect GNU compiler type:\n' + output + error)
        # Parse several lines of the type:
        # `#define ___SOME_DEF some_value`
        # and extract `___SOME_DEF`
        defines = {}
        for line in output.split('\n'):
            if not line:
                continue
            d, *rest = line.split(' ', 2)
            if d != '#define':
                continue
            if len(rest) == 1:
                defines[rest] = True
            if len(rest) == 2:
                defines[rest[0]] = rest[1]
        return defines

    @staticmethod
    def get_gnu_version_from_defines(defines):
        dot = '.'
        major = defines.get('__GNUC__', '0')
        minor = defines.get('__GNUC_MINOR__', '0')
        patch = defines.get('__GNUC_PATCHLEVEL__', '0')
        return dot.join((major, minor, patch))

    @staticmethod
    def get_lcc_version_from_defines(defines):
        dot = '.'
        generation_and_major = defines.get('__LCC__', '100')
        generation = generation_and_major[:1]
        major = generation_and_major[1:]
        minor = defines.get('__LCC_MINOR__', '0')
        return dot.join((generation, major, minor))

    @staticmethod
    def get_gnu_compiler_type(defines):
        # Detect GCC type (Apple, MinGW, Cygwin, Unix)
        if '__APPLE__' in defines:
            return CompilerType.GCC_OSX
        elif '__MINGW32__' in defines or '__MINGW64__' in defines:
            return CompilerType.GCC_MINGW
        elif '__CYGWIN__' in defines:
            return CompilerType.GCC_CYGWIN
        return CompilerType.GCC_STANDARD

    def _get_compilers(self, lang, for_machine):
        '''
        The list of compilers is detected in the exact same way for
        C, C++, ObjC, ObjC++, Fortran, CS so consolidate it here.
        '''
        value = self.binaries[for_machine].lookup_entry(lang)
        if value is not None:
            compilers, ccache = BinaryTable.parse_entry(value)
            # Return value has to be a list of compiler 'choices'
            compilers = [compilers]
        else:
            if not self.machines.matches_build_machine(for_machine):
                raise EnvironmentException('{!r} compiler binary not defined in cross or native file'.format(lang))
            compilers = getattr(self, 'default_' + lang)
            ccache = BinaryTable.detect_ccache()

        if self.machines.matches_build_machine(for_machine):
            exe_wrap = None
        else:
            exe_wrap = self.get_exe_wrapper()

        return compilers, ccache, exe_wrap

    def _handle_exceptions(self, exceptions, binaries, bintype='compiler'):
        errmsg = 'Unknown {}(s): {}'.format(bintype, binaries)
        if exceptions:
            errmsg += '\nThe follow exceptions were encountered:'
            for (c, e) in exceptions.items():
                errmsg += '\nRunning "{0}" gave "{1}"'.format(c, e)
        raise EnvironmentException(errmsg)

    def _detect_c_or_cpp_compiler(self, lang, for_machine):
        popen_exceptions = {}
        compilers, ccache, exe_wrap = self._get_compilers(lang, for_machine)
        is_cross = not self.machines.matches_build_machine(for_machine)

        for compiler in compilers:
            if isinstance(compiler, str):
                compiler = [compiler]
            if not set(['cl', 'cl.exe', 'clang-cl', 'clang-cl.exe']).isdisjoint(compiler):
                # Watcom C provides it's own cl.exe clone that mimics an older
                # version of Microsoft's compiler. Since Watcom's cl.exe is
                # just a wrapper, we skip using it if we detect its presence
                # so as not to confuse Meson when configuring for MSVC.
                #
                # Additionally the help text of Watcom's cl.exe is paged, and
                # the binary will not exit without human intervention. In
                # practice, Meson will block waiting for Watcom's cl.exe to
                # exit, which requires user input and thus will never exit.
                if 'WATCOM' in os.environ:
                    def sanitize(p):
                        return os.path.normcase(os.path.abspath(p))

                    watcom_cls = [sanitize(os.path.join(os.environ['WATCOM'], 'BINNT', 'cl')),
                                  sanitize(os.path.join(os.environ['WATCOM'], 'BINNT', 'cl.exe'))]
                    found_cl = sanitize(shutil.which('cl'))
                    if found_cl in watcom_cls:
                        continue
                arg = '/?'
            elif 'armcc' in compiler[0]:
                arg = '--vsn'
            elif 'ccrx' in compiler[0]:
                arg = '-v'
            elif 'icl' in compiler[0]:
                # if you pass anything to icl you get stuck in a pager
                arg = ''
            else:
                arg = '--version'

            try:
                p, out, err = Popen_safe(compiler + [arg])
            except OSError as e:
                popen_exceptions[' '.join(compiler + [arg])] = e
                continue

            if 'ccrx' in compiler[0]:
                out = err

            full_version = out.split('\n', 1)[0]
            version = search_version(out)

            guess_gcc_or_lcc = False
            if 'Free Software Foundation' in out or 'xt-' in out:
                guess_gcc_or_lcc = 'gcc'
            if 'e2k' in out and 'lcc' in out:
                guess_gcc_or_lcc = 'lcc'

            if guess_gcc_or_lcc:
                defines = self.get_gnu_compiler_defines(compiler)
                if not defines:
                    popen_exceptions[' '.join(compiler)] = 'no pre-processor defines'
                    continue
                compiler_type = self.get_gnu_compiler_type(defines)
                if guess_gcc_or_lcc == 'lcc':
                    version = self.get_lcc_version_from_defines(defines)
                    cls = ElbrusCCompiler if lang == 'c' else ElbrusCPPCompiler
                else:
                    version = self.get_gnu_version_from_defines(defines)
                    cls = GnuCCompiler if lang == 'c' else GnuCPPCompiler
                return cls(ccache + compiler, version, compiler_type, for_machine, is_cross, exe_wrap, defines, full_version=full_version)

            if 'Emscripten' in out:
                cls = EmscriptenCCompiler if lang == 'c' else EmscriptenCPPCompiler
                compiler_type = CompilerType.CLANG_EMSCRIPTEN
                return cls(ccache + compiler, version, compiler_type, for_machine, is_cross, exe_wrap, full_version=full_version)

            if 'armclang' in out:
                # The compiler version is not present in the first line of output,
                # instead it is present in second line, startswith 'Component:'.
                # So, searching for the 'Component' in out although we know it is
                # present in second line, as we are not sure about the
                # output format in future versions
                arm_ver_str = re.search('.*Component.*', out)
                if arm_ver_str is None:
                    popen_exceptions[' '.join(compiler)] = 'version string not found'
                    continue
                arm_ver_str = arm_ver_str.group(0)
                # Override previous values
                version = search_version(arm_ver_str)
                full_version = arm_ver_str
                compiler_type = CompilerType.ARM_WIN
                cls = ArmclangCCompiler if lang == 'c' else ArmclangCPPCompiler
                return cls(ccache + compiler, version, compiler_type, for_machine, is_cross, exe_wrap, full_version=full_version)
            if 'CL.EXE COMPATIBILITY' in out:
                # if this is clang-cl masquerading as cl, detect it as cl, not
                # clang
                arg = '--version'
                try:
                    p, out, err = Popen_safe(compiler + [arg])
                except OSError as e:
                    popen_exceptions[' '.join(compiler + [arg])] = e
                version = search_version(out)
                match = re.search('^Target: (.*?)-', out, re.MULTILINE)
                if match:
                    target = match.group(1)
                else:
                    target = 'unknown target'
                cls = ClangClCCompiler if lang == 'c' else ClangClCPPCompiler
                return cls(compiler, version, for_machine, is_cross, exe_wrap, target)
            if 'clang' in out:
                if 'Apple' in out or self.machines[for_machine].is_darwin():
                    compiler_type = CompilerType.CLANG_OSX
                elif 'windows' in out or self.machines[for_machine].is_windows():
                    compiler_type = CompilerType.CLANG_MINGW
                else:
                    compiler_type = CompilerType.CLANG_STANDARD
                cls = ClangCCompiler if lang == 'c' else ClangCPPCompiler
                return cls(ccache + compiler, version, compiler_type, for_machine, is_cross, exe_wrap, full_version=full_version)
            if 'Intel(R) C++ Intel(R)' in err:
                version = search_version(err)
                target = 'x86' if 'IA-32' in err else 'x86_64'
                cls = IntelClCCompiler if lang == 'c' else IntelClCPPCompiler
                return cls(compiler, version, for_machine, is_cross, exe_wrap, target)
            if 'Microsoft' in out or 'Microsoft' in err:
                # Latest versions of Visual Studio print version
                # number to stderr but earlier ones print version
                # on stdout.  Why? Lord only knows.
                # Check both outputs to figure out version.
                for lookat in [err, out]:
                    version = search_version(lookat)
                    if version != 'unknown version':
                        break
                else:
                    m = 'Failed to detect MSVC compiler version: stderr was\n{!r}'
                    raise EnvironmentException(m.format(err))
                match = re.search('.*(x86|x64|ARM|ARM64).*', lookat.split('\n')[0])
                if match:
                    target = match.group(1)
                else:
                    target = 'x86'
                cls = VisualStudioCCompiler if lang == 'c' else VisualStudioCPPCompiler
                return cls(compiler, version, for_machine, is_cross, exe_wrap, target)
            if 'PGI Compilers' in out:
                if self.machines[for_machine].is_darwin():
                    compiler_type = CompilerType.PGI_OSX
                elif self.machines[for_machine].is_windows():
                    compiler_type = CompilerType.PGI_WIN
                else:
                    compiler_type = CompilerType.PGI_STANDARD
                cls = PGICCompiler if lang == 'c' else PGICPPCompiler
                return cls(ccache + compiler, version, compiler_type, for_machine, is_cross, exe_wrap)
            if '(ICC)' in out:
                if self.machines[for_machine].is_darwin():
                    compiler_type = CompilerType.ICC_OSX
                elif self.machines[for_machine].is_windows():
                    # TODO: fix ICC on Windows
                    compiler_type = CompilerType.ICC_WIN
                else:
                    compiler_type = CompilerType.ICC_STANDARD
                cls = IntelCCompiler if lang == 'c' else IntelCPPCompiler
                return cls(ccache + compiler, version, compiler_type, for_machine, is_cross, exe_wrap, full_version=full_version)
            if 'ARM' in out:
                compiler_type = CompilerType.ARM_WIN
                cls = ArmCCompiler if lang == 'c' else ArmCPPCompiler
                return cls(ccache + compiler, version, compiler_type, for_machine, is_cross, exe_wrap, full_version=full_version)
            if 'RX Family' in out:
                compiler_type = CompilerType.CCRX_WIN
                cls = CcrxCCompiler if lang == 'c' else CcrxCPPCompiler
                return cls(ccache + compiler, version, compiler_type, for_machine, is_cross, exe_wrap, full_version=full_version)

        self._handle_exceptions(popen_exceptions, compilers)

    def detect_c_compiler(self, for_machine):
        return self._detect_c_or_cpp_compiler('c', for_machine)

    def detect_cpp_compiler(self, for_machine):
        return self._detect_c_or_cpp_compiler('cpp', for_machine)

    def detect_cuda_compiler(self, for_machine):
        popen_exceptions = {}
        compilers, ccache, exe_wrap = self._get_compilers('cuda', for_machine)
        for compiler in compilers:
            if isinstance(compiler, str):
                compiler = [compiler]
            else:
                raise EnvironmentException()
            arg = '--version'
            try:
                p, out, err = Popen_safe(compiler + [arg])
            except OSError as e:
                popen_exceptions[' '.join(compiler + [arg])] = e
                continue
            # Example nvcc printout:
            #
            #     nvcc: NVIDIA (R) Cuda compiler driver
            #     Copyright (c) 2005-2018 NVIDIA Corporation
            #     Built on Sat_Aug_25_21:08:01_CDT_2018
            #     Cuda compilation tools, release 10.0, V10.0.130
            #
            # search_version() first finds the "10.0" after "release",
            # rather than the more precise "10.0.130" after "V".
            # The patch version number is occasionally important; For
            # instance, on Linux,
            #    - CUDA Toolkit 8.0.44 requires NVIDIA Driver 367.48
            #    - CUDA Toolkit 8.0.61 requires NVIDIA Driver 375.26
            # Luckily, the "V" also makes it very simple to extract
            # the full version:
            version = out.strip().split('V')[-1]
            cls = CudaCompiler
            return cls(ccache + compiler, version, for_machine, exe_wrap)
        raise EnvironmentException('Could not find suitable CUDA compiler: "' + ' '.join(compilers) + '"')

    def detect_fortran_compiler(self, for_machine: MachineChoice):
        popen_exceptions = {}
        compilers, ccache, exe_wrap = self._get_compilers('fortran', for_machine)
        is_cross = not self.machines.matches_build_machine(for_machine)
        for compiler in compilers:
            if isinstance(compiler, str):
                compiler = [compiler]
            for arg in ['--version', '-V']:
                try:
                    p, out, err = Popen_safe(compiler + [arg])
                except OSError as e:
                    popen_exceptions[' '.join(compiler + [arg])] = e
                    continue

                version = search_version(out)
                full_version = out.split('\n', 1)[0]

                guess_gcc_or_lcc = False
                if 'GNU Fortran' in out:
                    guess_gcc_or_lcc = 'gcc'
                if 'e2k' in out and 'lcc' in out:
                    guess_gcc_or_lcc = 'lcc'

                if guess_gcc_or_lcc:
                    defines = self.get_gnu_compiler_defines(compiler)
                    if not defines:
                        popen_exceptions[' '.join(compiler)] = 'no pre-processor defines'
                        continue
                    compiler_type = self.get_gnu_compiler_type(defines)
                    if guess_gcc_or_lcc == 'lcc':
                        version = self.get_lcc_version_from_defines(defines)
                        cls = ElbrusFortranCompiler
                    else:
                        version = self.get_gnu_version_from_defines(defines)
                        cls = GnuFortranCompiler
                    return cls(compiler, version, compiler_type, for_machine, is_cross, exe_wrap, defines, full_version=full_version)

                if 'G95' in out:
                    return G95FortranCompiler(compiler, version, for_machine, is_cross, exe_wrap, full_version=full_version)

                if 'Sun Fortran' in err:
                    version = search_version(err)
                    return SunFortranCompiler(compiler, version, for_machine, is_cross, exe_wrap, full_version=full_version)

                if 'Intel(R) Visual Fortran' in err:
                    version = search_version(err)
                    target = 'x86' if 'IA-32' in err else 'x86_64'
                    return IntelClFortranCompiler(compiler, version, for_machine, is_cross, target, exe_wrap)

                if 'ifort (IFORT)' in out:
                    return IntelFortranCompiler(compiler, version, for_machine, is_cross, exe_wrap, full_version=full_version)

                if 'PathScale EKOPath(tm)' in err:
                    return PathScaleFortranCompiler(compiler, version, for_machine, is_cross, exe_wrap, full_version=full_version)

                if 'PGI Compilers' in out:
                    if self.machines[for_machine].is_darwin():
                        compiler_type = CompilerType.PGI_OSX
                    elif self.machines[for_machine].is_windows():
                        compiler_type = CompilerType.PGI_WIN
                    else:
                        compiler_type = CompilerType.PGI_STANDARD
                    return PGIFortranCompiler(compiler, version, compiler_type, for_machine, is_cross, exe_wrap, full_version=full_version)

                if 'flang' in out or 'clang' in out:
                    return FlangFortranCompiler(compiler, version, for_machine, is_cross, exe_wrap, full_version=full_version)

                if 'Open64 Compiler Suite' in err:
                    return Open64FortranCompiler(compiler, version, for_machine, is_cross, exe_wrap, full_version=full_version)

                if 'NAG Fortran' in err:
                    return NAGFortranCompiler(compiler, version, for_machine, is_cross, exe_wrap, full_version=full_version)
        self._handle_exceptions(popen_exceptions, compilers)

    def get_scratch_dir(self):
        return self.scratch_dir

    def detect_objc_compiler(self, for_machine: MachineInfo) -> 'Compiler':
        return self._detect_objc_or_objcpp_compiler(for_machine, True)

    def detect_objcpp_compiler(self, for_machine: MachineInfo) -> 'Compiler':
        return self._detect_objc_or_objcpp_compiler(for_machine, False)

    def _detect_objc_or_objcpp_compiler(self, for_machine: MachineInfo, objc: bool) -> 'Compiler':
        popen_exceptions = {}
        compilers, ccache, exe_wrap = self._get_compilers('objc' if objc else 'objcpp', for_machine)
        is_cross = not self.machines.matches_build_machine(for_machine)
        for compiler in compilers:
            if isinstance(compiler, str):
                compiler = [compiler]
            arg = ['--version']
            try:
                p, out, err = Popen_safe(compiler + arg)
            except OSError as e:
                popen_exceptions[' '.join(compiler + arg)] = e
                continue
            version = search_version(out)
            if 'Free Software Foundation' in out or ('e2k' in out and 'lcc' in out):
                defines = self.get_gnu_compiler_defines(compiler)
                if not defines:
                    popen_exceptions[' '.join(compiler)] = 'no pre-processor defines'
                    continue
                compiler_type = self.get_gnu_compiler_type(defines)
                version = self.get_gnu_version_from_defines(defines)
                comp = GnuObjCCompiler if objc else GnuObjCPPCompiler
                return comp(ccache + compiler, version, compiler_type, for_machine, is_cross, exe_wrap, defines)
            if 'clang' in out:
                comp = ClangObjCCompiler if objc else ClangObjCPPCompiler
                if 'Apple' in out or self.machines[for_machine].is_darwin():
                    compiler_type = CompilerType.CLANG_OSX
                elif 'windows' in out or self.machines[for_machine].is_windows():
                    compiler_type = CompilerType.CLANG_MINGW
                else:
                    compiler_type = CompilerType.CLANG_STANDARD
                return comp(ccache + compiler, version, compiler_type, for_machine, is_cross, exe_wrap)
        self._handle_exceptions(popen_exceptions, compilers)

    def detect_java_compiler(self, for_machine):
        exelist = self.binaries.host.lookup_entry('java')
        if exelist is None:
            # TODO support fallback
            exelist = [self.default_java[0]]

        try:
            p, out, err = Popen_safe(exelist + ['-version'])
        except OSError:
            raise EnvironmentException('Could not execute Java compiler "%s"' % ' '.join(exelist))
        if 'javac' in out or 'javac' in err:
            version = search_version(err if 'javac' in err else out)
            if not version or version == 'unknown version':
                parts = (err if 'javac' in err else out).split()
                if len(parts) > 1:
                    version = parts[1]
            return JavaCompiler(exelist, version, for_machine)
        raise EnvironmentException('Unknown compiler "' + ' '.join(exelist) + '"')

    def detect_cs_compiler(self, for_machine):
        compilers, ccache, exe_wrap = self._get_compilers('cs', for_machine)
        popen_exceptions = {}
        for comp in compilers:
            if not isinstance(comp, list):
                comp = [comp]
            try:
                p, out, err = Popen_safe(comp + ['--version'])
            except OSError as e:
                popen_exceptions[' '.join(comp + ['--version'])] = e
                continue

            version = search_version(out)
            if 'Mono' in out:
                return MonoCompiler(comp, version, for_machine)
            elif "Visual C#" in out:
                return VisualStudioCsCompiler(comp, version, for_machine)

        self._handle_exceptions(popen_exceptions, compilers)

    def detect_vala_compiler(self, for_machine):
        exelist = self.binaries.host.lookup_entry('vala')
        is_cross = not self.machines.matches_build_machine(for_machine)
        if exelist is None:
            # TODO support fallback
            exelist = [self.default_vala[0]]

        try:
            p, out = Popen_safe(exelist + ['--version'])[0:2]
        except OSError:
            raise EnvironmentException('Could not execute Vala compiler "%s"' % ' '.join(exelist))
        version = search_version(out)
        if 'Vala' in out:
            return ValaCompiler(exelist, version, for_machine, is_cross)
        raise EnvironmentException('Unknown compiler "' + ' '.join(exelist) + '"')

    def detect_rust_compiler(self, for_machine):
        popen_exceptions = {}
        compilers, ccache, exe_wrap = self._get_compilers('rust', for_machine)
        is_cross = not self.machines.matches_build_machine(for_machine)
        for compiler in compilers:
            if isinstance(compiler, str):
                compiler = [compiler]
            arg = ['--version']
            try:
                p, out = Popen_safe(compiler + arg)[0:2]
            except OSError as e:
                popen_exceptions[' '.join(compiler + arg)] = e
                continue

            version = search_version(out)

            if 'rustc' in out:
                return RustCompiler(compiler, version, for_machine, is_cross, exe_wrap)

        self._handle_exceptions(popen_exceptions, compilers)

    def detect_d_compiler(self, for_machine: MachineChoice):
        exelist = self.binaries[for_machine].lookup_entry('d')
        # Search for a D compiler.
        # We prefer LDC over GDC unless overridden with the DC
        # environment variable because LDC has a much more
        # up to date language version at time (2016).
        if exelist is not None:
            if os.path.basename(exelist[-1]).startswith(('ldmd', 'gdmd')):
                raise EnvironmentException(
                    'Meson does not support {} as it is only a DMD frontend for another compiler.'
                    'Please provide a valid value for DC or unset it so that Meson can resolve the compiler by itself.'.format(exelist[-1]))
        else:
            for d in self.default_d:
                if shutil.which(d):
                    exelist = [d]
                    break
            else:
                raise EnvironmentException('Could not find any supported D compiler.')

        try:
            p, out = Popen_safe(exelist + ['--version'])[0:2]
        except OSError:
            raise EnvironmentException('Could not execute D compiler "%s"' % ' '.join(exelist))
        version = search_version(out)
        full_version = out.split('\n', 1)[0]

        # Detect the target architecture, required for proper architecture handling on Windows.
        c_compiler = {}
        is_msvc = mesonlib.is_windows() and 'VCINSTALLDIR' in os.environ
        if is_msvc:
            c_compiler = {'c': self.detect_c_compiler(for_machine)} # MSVC compiler is required for correct platform detection.

        arch = detect_cpu_family(c_compiler)
        if is_msvc and arch == 'x86':
            arch = 'x86_mscoff'

        if 'LLVM D compiler' in out:
            return compilers.LLVMDCompiler(exelist, version, for_machine, arch, full_version=full_version)
        elif 'gdc' in out:
            return compilers.GnuDCompiler(exelist, version, for_machine, arch, full_version=full_version)
        elif 'The D Language Foundation' in out or 'Digital Mars' in out:
            return compilers.DmdDCompiler(exelist, version, for_machine, arch, full_version=full_version)
        raise EnvironmentException('Unknown compiler "' + ' '.join(exelist) + '"')

    def detect_swift_compiler(self, for_machine):
        exelist = self.binaries.host.lookup_entry('swift')
        is_cross = not self.machines.matches_build_machine(for_machine)
        if exelist is None:
            # TODO support fallback
            exelist = [self.default_swift[0]]

        try:
            p, _, err = Popen_safe(exelist + ['-v'])
        except OSError:
            raise EnvironmentException('Could not execute Swift compiler "%s"' % ' '.join(exelist))
        version = search_version(err)
        if 'Swift' in err:
            return compilers.SwiftCompiler(exelist, version, for_machine, is_cross)
        raise EnvironmentException('Unknown compiler "' + ' '.join(exelist) + '"')

    def compiler_from_language(self, lang: str, for_machine: MachineChoice):
        if lang == 'c':
            comp = self.detect_c_compiler(for_machine)
        elif lang == 'cpp':
            comp = self.detect_cpp_compiler(for_machine)
        elif lang == 'objc':
            comp = self.detect_objc_compiler(for_machine)
        elif lang == 'cuda':
            comp = self.detect_cuda_compiler(for_machine)
        elif lang == 'objcpp':
            comp = self.detect_objcpp_compiler(for_machine)
        elif lang == 'java':
            comp = self.detect_java_compiler(for_machine)
        elif lang == 'cs':
            comp = self.detect_cs_compiler(for_machine)
        elif lang == 'vala':
            comp = self.detect_vala_compiler(for_machine)
        elif lang == 'd':
            comp = self.detect_d_compiler(for_machine)
        elif lang == 'rust':
            comp = self.detect_rust_compiler(for_machine)
        elif lang == 'fortran':
            comp = self.detect_fortran_compiler(for_machine)
        elif lang == 'swift':
            comp = self.detect_swift_compiler(for_machine)
        else:
            comp = None
        return comp

    def detect_compiler_for(self, lang: str, for_machine: MachineChoice):
        comp = self.compiler_from_language(lang, for_machine)
        if comp is not None:
            assert comp.for_machine == for_machine
            self.coredata.process_new_compiler(lang, comp, self)
        return comp

    def detect_static_linker(self, compiler):
        linker = self.binaries[compiler.for_machine].lookup_entry('ar')
        if linker is not None:
            linkers = [linker]
        else:
            evar = 'AR'
            if isinstance(compiler, compilers.CudaCompiler):
                linkers = [self.cuda_static_linker, self.default_static_linker]
            elif evar in os.environ:
                linkers = [shlex.split(os.environ[evar])]
            elif isinstance(compiler, compilers.VisualStudioLikeCompiler):
                linkers = [self.vs_static_linker, self.clang_cl_static_linker]
            elif isinstance(compiler, compilers.GnuCompiler):
                # Use gcc-ar if available; needed for LTO
                linkers = [self.gcc_static_linker, self.default_static_linker]
            elif isinstance(compiler, compilers.ClangCompiler):
                # Use llvm-ar if available; needed for LTO
                linkers = [self.clang_static_linker, self.default_static_linker]
            elif isinstance(compiler, compilers.DCompiler):
                # Prefer static linkers over linkers used by D compilers
                if mesonlib.is_windows():
                    linkers = [self.vs_static_linker, self.clang_cl_static_linker, compiler.get_linker_exelist()]
                else:
                    linkers = [self.default_static_linker, compiler.get_linker_exelist()]
            elif isinstance(compiler, IntelClCCompiler):
                # Intel has it's own linker that acts like microsoft's lib
                linkers = ['xilib']
            else:
                linkers = [self.default_static_linker]
        popen_exceptions = {}
        for linker in linkers:
            if not {'lib', 'lib.exe', 'llvm-lib', 'llvm-lib.exe', 'xilib', 'xilib.exe'}.isdisjoint(linker):
                arg = '/?'
            else:
                arg = '--version'
            try:
                p, out, err = Popen_safe(linker + [arg])
            except OSError as e:
                popen_exceptions[' '.join(linker + [arg])] = e
                continue
            if "xilib: executing 'lib'" in err:
                return IntelVisualStudioLinker(linker, getattr(compiler, 'machine', None))
            if '/OUT:' in out.upper() or '/OUT:' in err.upper():
                return VisualStudioLinker(linker, getattr(compiler, 'machine', None))
            if p.returncode == 0 and ('armar' in linker or 'armar.exe' in linker):
                return ArmarLinker(linker)
            if 'DMD32 D Compiler' in out or 'DMD64 D Compiler' in out:
                return DLinker(linker, compiler.arch)
            if 'LDC - the LLVM D compiler' in out:
                return DLinker(linker, compiler.arch)
            if 'GDC' in out and ' based on D ' in out:
                return DLinker(linker, compiler.arch)
            if err.startswith('Renesas') and ('rlink' in linker or 'rlink.exe' in linker):
                return CcrxLinker(linker)
            if p.returncode == 0:
                return ArLinker(linker)
            if p.returncode == 1 and err.startswith('usage'): # OSX
                return ArLinker(linker)
            if p.returncode == 1 and err.startswith('Usage'): # AIX
                return ArLinker(linker)
            if p.returncode == 1 and err.startswith('ar: bad option: --'): # Solaris
                return ArLinker(linker)
        self._handle_exceptions(popen_exceptions, linkers, 'linker')
        raise EnvironmentException('Unknown static linker "%s"' % ' '.join(linkers))

    def get_source_dir(self):
        return self.source_dir

    def get_build_dir(self):
        return self.build_dir

    def get_import_lib_dir(self) -> str:
        "Install dir for the import library (library used for linking)"
        return self.get_libdir()

    def get_shared_module_dir(self) -> str:
        "Install dir for shared modules that are loaded at runtime"
        return self.get_libdir()

    def get_shared_lib_dir(self) -> str:
        "Install dir for the shared library"
        m = self.machines.host
        # Windows has no RPATH or similar, so DLLs must be next to EXEs.
        if m.is_windows() or m.is_cygwin():
            return self.get_bindir()
        return self.get_libdir()

    def get_static_lib_dir(self) -> str:
        "Install dir for the static library"
        return self.get_libdir()

    def get_prefix(self) -> str:
        return self.coredata.get_builtin_option('prefix')

    def get_libdir(self) -> str:
        return self.coredata.get_builtin_option('libdir')

    def get_libexecdir(self) -> str:
        return self.coredata.get_builtin_option('libexecdir')

    def get_bindir(self) -> str:
        return self.coredata.get_builtin_option('bindir')

    def get_includedir(self) -> str:
        return self.coredata.get_builtin_option('includedir')

    def get_mandir(self) -> str:
        return self.coredata.get_builtin_option('mandir')

    def get_datadir(self) -> str:
        return self.coredata.get_builtin_option('datadir')

    def get_compiler_system_dirs(self, for_machine: MachineChoice):
        for comp in self.coredata.compilers[for_machine].values():
            if isinstance(comp, compilers.ClangCompiler):
                index = 1
                break
            elif isinstance(comp, compilers.GnuCompiler):
                index = 2
                break
        else:
            # This option is only supported by gcc and clang. If we don't get a
            # GCC or Clang compiler return and empty list.
            return []

        p, out, _ = Popen_safe(comp.get_exelist() + ['-print-search-dirs'])
        if p.returncode != 0:
            raise mesonlib.MesonException('Could not calculate system search dirs')
        out = out.split('\n')[index].lstrip('libraries: =').split(':')
        return [os.path.normpath(p) for p in out]

    def need_exe_wrapper(self, for_machine: MachineChoice = MachineChoice.HOST):
        value = self.properties[for_machine].get('needs_exe_wrapper', None)
        if value is not None:
            return value
        return not machine_info_can_run(self.machines[for_machine])

    def get_exe_wrapper(self):
        if not self.need_exe_wrapper():
            from .dependencies import EmptyExternalProgram
            return EmptyExternalProgram()
        return self.exe_wrapper
s="hl str">'-lbar']) self.assertEqual(l, ['-Lfoodir', '-lfoo', '-Lbardir', '-lbar']) # Direct-adding the same library again still adds it l.append_direct('-lbar') self.assertEqual(l, ['-Lfoodir', '-lfoo', '-Lbardir', '-lbar', '-lbar']) # Direct-adding with absolute path deduplicates l.append_direct('/libbaz.a') self.assertEqual(l, ['-Lfoodir', '-lfoo', '-Lbardir', '-lbar', '-lbar', '/libbaz.a']) # Adding libbaz again does nothing l.append_direct('/libbaz.a') self.assertEqual(l, ['-Lfoodir', '-lfoo', '-Lbardir', '-lbar', '-lbar', '/libbaz.a']) def test_compiler_args_class_gnuld(self): cargsfunc = mesonbuild.compilers.CompilerArgs ## Test --start/end-group gcc = mesonbuild.compilers.GnuCCompiler([], 'fake', mesonbuild.compilers.CompilerType.GCC_STANDARD, False) ## Test that 'direct' append and extend works l = cargsfunc(gcc, ['-Lfoodir', '-lfoo']) self.assertEqual(l.to_native(copy=True), ['-Lfoodir', '-Wl,--start-group', '-lfoo', '-Wl,--end-group']) # Direct-adding a library and a libpath appends both correctly l.extend_direct(['-Lbardir', '-lbar']) self.assertEqual(l.to_native(copy=True), ['-Lfoodir', '-Wl,--start-group', '-lfoo', '-Lbardir', '-lbar', '-Wl,--end-group']) # Direct-adding the same library again still adds it l.append_direct('-lbar') self.assertEqual(l.to_native(copy=True), ['-Lfoodir', '-Wl,--start-group', '-lfoo', '-Lbardir', '-lbar', '-lbar', '-Wl,--end-group']) # Direct-adding with absolute path deduplicates l.append_direct('/libbaz.a') self.assertEqual(l.to_native(copy=True), ['-Lfoodir', '-Wl,--start-group', '-lfoo', '-Lbardir', '-lbar', '-lbar', '/libbaz.a', '-Wl,--end-group']) # Adding libbaz again does nothing l.append_direct('/libbaz.a') self.assertEqual(l.to_native(copy=True), ['-Lfoodir', '-Wl,--start-group', '-lfoo', '-Lbardir', '-lbar', '-lbar', '/libbaz.a', '-Wl,--end-group']) # Adding a non-library argument doesn't include it in the group l += ['-Lfoo', '-Wl,--export-dynamic'] self.assertEqual(l.to_native(copy=True), ['-Lfoo', '-Lfoodir', '-Wl,--start-group', '-lfoo', '-Lbardir', '-lbar', '-lbar', '/libbaz.a', '-Wl,--end-group', '-Wl,--export-dynamic']) # -Wl,-lfoo is detected as a library and gets added to the group l.append('-Wl,-ldl') self.assertEqual(l.to_native(copy=True), ['-Lfoo', '-Lfoodir', '-Wl,--start-group', '-lfoo', '-Lbardir', '-lbar', '-lbar', '/libbaz.a', '-Wl,--export-dynamic', '-Wl,-ldl', '-Wl,--end-group']) def test_string_templates_substitution(self): dictfunc = mesonbuild.mesonlib.get_filenames_templates_dict substfunc = mesonbuild.mesonlib.substitute_values ME = mesonbuild.mesonlib.MesonException # Identity self.assertEqual(dictfunc([], []), {}) # One input, no outputs inputs = ['bar/foo.c.in'] outputs = [] ret = dictfunc(inputs, outputs) d = {'@INPUT@': inputs, '@INPUT0@': inputs[0], '@PLAINNAME@': 'foo.c.in', '@BASENAME@': 'foo.c'} # Check dictionary self.assertEqual(ret, d) # Check substitutions cmd = ['some', 'ordinary', 'strings'] self.assertEqual(substfunc(cmd, d), cmd) cmd = ['@INPUT@.out', 'ordinary', 'strings'] self.assertEqual(substfunc(cmd, d), [inputs[0] + '.out'] + cmd[1:]) cmd = ['@INPUT0@.out', '@PLAINNAME@.ok', 'strings'] self.assertEqual(substfunc(cmd, d), [inputs[0] + '.out'] + [d['@PLAINNAME@'] + '.ok'] + cmd[2:]) cmd = ['@INPUT@', '@BASENAME@.hah', 'strings'] self.assertEqual(substfunc(cmd, d), inputs + [d['@BASENAME@'] + '.hah'] + cmd[2:]) cmd = ['@OUTPUT@'] self.assertRaises(ME, substfunc, cmd, d) # One input, one output inputs = ['bar/foo.c.in'] outputs = ['out.c'] ret = dictfunc(inputs, outputs) d = {'@INPUT@': inputs, '@INPUT0@': inputs[0], '@PLAINNAME@': 'foo.c.in', '@BASENAME@': 'foo.c', '@OUTPUT@': outputs, '@OUTPUT0@': outputs[0], '@OUTDIR@': '.'} # Check dictionary self.assertEqual(ret, d) # Check substitutions cmd = ['some', 'ordinary', 'strings'] self.assertEqual(substfunc(cmd, d), cmd) cmd = ['@INPUT@.out', '@OUTPUT@', 'strings'] self.assertEqual(substfunc(cmd, d), [inputs[0] + '.out'] + outputs + cmd[2:]) cmd = ['@INPUT0@.out', '@PLAINNAME@.ok', '@OUTPUT0@'] self.assertEqual(substfunc(cmd, d), [inputs[0] + '.out', d['@PLAINNAME@'] + '.ok'] + outputs) cmd = ['@INPUT@', '@BASENAME@.hah', 'strings'] self.assertEqual(substfunc(cmd, d), inputs + [d['@BASENAME@'] + '.hah'] + cmd[2:]) # One input, one output with a subdir outputs = ['dir/out.c'] ret = dictfunc(inputs, outputs) d = {'@INPUT@': inputs, '@INPUT0@': inputs[0], '@PLAINNAME@': 'foo.c.in', '@BASENAME@': 'foo.c', '@OUTPUT@': outputs, '@OUTPUT0@': outputs[0], '@OUTDIR@': 'dir'} # Check dictionary self.assertEqual(ret, d) # Two inputs, no outputs inputs = ['bar/foo.c.in', 'baz/foo.c.in'] outputs = [] ret = dictfunc(inputs, outputs) d = {'@INPUT@': inputs, '@INPUT0@': inputs[0], '@INPUT1@': inputs[1]} # Check dictionary self.assertEqual(ret, d) # Check substitutions cmd = ['some', 'ordinary', 'strings'] self.assertEqual(substfunc(cmd, d), cmd) cmd = ['@INPUT@', 'ordinary', 'strings'] self.assertEqual(substfunc(cmd, d), inputs + cmd[1:]) cmd = ['@INPUT0@.out', 'ordinary', 'strings'] self.assertEqual(substfunc(cmd, d), [inputs[0] + '.out'] + cmd[1:]) cmd = ['@INPUT0@.out', '@INPUT1@.ok', 'strings'] self.assertEqual(substfunc(cmd, d), [inputs[0] + '.out', inputs[1] + '.ok'] + cmd[2:]) cmd = ['@INPUT0@', '@INPUT1@', 'strings'] self.assertEqual(substfunc(cmd, d), inputs + cmd[2:]) # Many inputs, can't use @INPUT@ like this cmd = ['@INPUT@.out', 'ordinary', 'strings'] self.assertRaises(ME, substfunc, cmd, d) # Not enough inputs cmd = ['@INPUT2@.out', 'ordinary', 'strings'] self.assertRaises(ME, substfunc, cmd, d) # Too many inputs cmd = ['@PLAINNAME@'] self.assertRaises(ME, substfunc, cmd, d) cmd = ['@BASENAME@'] self.assertRaises(ME, substfunc, cmd, d) # No outputs cmd = ['@OUTPUT@'] self.assertRaises(ME, substfunc, cmd, d) cmd = ['@OUTPUT0@'] self.assertRaises(ME, substfunc, cmd, d) cmd = ['@OUTDIR@'] self.assertRaises(ME, substfunc, cmd, d) # Two inputs, one output outputs = ['dir/out.c'] ret = dictfunc(inputs, outputs) d = {'@INPUT@': inputs, '@INPUT0@': inputs[0], '@INPUT1@': inputs[1], '@OUTPUT@': outputs, '@OUTPUT0@': outputs[0], '@OUTDIR@': 'dir'} # Check dictionary self.assertEqual(ret, d) # Check substitutions cmd = ['some', 'ordinary', 'strings'] self.assertEqual(substfunc(cmd, d), cmd) cmd = ['@OUTPUT@', 'ordinary', 'strings'] self.assertEqual(substfunc(cmd, d), outputs + cmd[1:]) cmd = ['@OUTPUT@.out', 'ordinary', 'strings'] self.assertEqual(substfunc(cmd, d), [outputs[0] + '.out'] + cmd[1:]) cmd = ['@OUTPUT0@.out', '@INPUT1@.ok', 'strings'] self.assertEqual(substfunc(cmd, d), [outputs[0] + '.out', inputs[1] + '.ok'] + cmd[2:]) # Many inputs, can't use @INPUT@ like this cmd = ['@INPUT@.out', 'ordinary', 'strings'] self.assertRaises(ME, substfunc, cmd, d) # Not enough inputs cmd = ['@INPUT2@.out', 'ordinary', 'strings'] self.assertRaises(ME, substfunc, cmd, d) # Not enough outputs cmd = ['@OUTPUT2@.out', 'ordinary', 'strings'] self.assertRaises(ME, substfunc, cmd, d) # Two inputs, two outputs outputs = ['dir/out.c', 'dir/out2.c'] ret = dictfunc(inputs, outputs) d = {'@INPUT@': inputs, '@INPUT0@': inputs[0], '@INPUT1@': inputs[1], '@OUTPUT@': outputs, '@OUTPUT0@': outputs[0], '@OUTPUT1@': outputs[1], '@OUTDIR@': 'dir'} # Check dictionary self.assertEqual(ret, d) # Check substitutions cmd = ['some', 'ordinary', 'strings'] self.assertEqual(substfunc(cmd, d), cmd) cmd = ['@OUTPUT@', 'ordinary', 'strings'] self.assertEqual(substfunc(cmd, d), outputs + cmd[1:]) cmd = ['@OUTPUT0@', '@OUTPUT1@', 'strings'] self.assertEqual(substfunc(cmd, d), outputs + cmd[2:]) cmd = ['@OUTPUT0@.out', '@INPUT1@.ok', '@OUTDIR@'] self.assertEqual(substfunc(cmd, d), [outputs[0] + '.out', inputs[1] + '.ok', 'dir']) # Many inputs, can't use @INPUT@ like this cmd = ['@INPUT@.out', 'ordinary', 'strings'] self.assertRaises(ME, substfunc, cmd, d) # Not enough inputs cmd = ['@INPUT2@.out', 'ordinary', 'strings'] self.assertRaises(ME, substfunc, cmd, d) # Not enough outputs cmd = ['@OUTPUT2@.out', 'ordinary', 'strings'] self.assertRaises(ME, substfunc, cmd, d) # Many outputs, can't use @OUTPUT@ like this cmd = ['@OUTPUT@.out', 'ordinary', 'strings'] self.assertRaises(ME, substfunc, cmd, d) def test_needs_exe_wrapper_override(self): config = ConfigParser() config['binaries'] = { 'c': '\'/usr/bin/gcc\'', } config['host_machine'] = { 'system': '\'linux\'', 'cpu_family': '\'arm\'', 'cpu': '\'armv7\'', 'endian': '\'little\'', } # Can not be used as context manager because we need to # open it a second time and this is not possible on # Windows. configfile = tempfile.NamedTemporaryFile(mode='w+', delete=False) configfilename = configfile.name config.write(configfile) configfile.flush() configfile.close() detected_value = mesonbuild.environment.CrossBuildInfo(configfile.name).need_exe_wrapper() os.unlink(configfilename) desired_value = not detected_value config['properties'] = { 'needs_exe_wrapper': 'true' if desired_value else 'false' } configfile = tempfile.NamedTemporaryFile(mode='w+', delete=False) configfilename = configfile.name config.write(configfile) configfile.close() forced_value = mesonbuild.environment.CrossBuildInfo(configfile.name).need_exe_wrapper() os.unlink(configfilename) self.assertEqual(forced_value, desired_value) def test_listify(self): listify = mesonbuild.mesonlib.listify # Test sanity self.assertEqual([1], listify(1)) self.assertEqual([], listify([])) self.assertEqual([1], listify([1])) # Test flattening self.assertEqual([1, 2, 3], listify([1, [2, 3]])) self.assertEqual([1, 2, 3], listify([1, [2, [3]]])) self.assertEqual([1, [2, [3]]], listify([1, [2, [3]]], flatten=False)) # Test flattening and unholdering holder1 = ObjectHolder(1) holder3 = ObjectHolder(3) self.assertEqual([holder1], listify(holder1)) self.assertEqual([holder1], listify([holder1])) self.assertEqual([holder1, 2], listify([holder1, 2])) self.assertEqual([holder1, 2, 3], listify([holder1, 2, [3]])) self.assertEqual([1], listify(holder1, unholder=True)) self.assertEqual([1], listify([holder1], unholder=True)) self.assertEqual([1, 2], listify([holder1, 2], unholder=True)) self.assertEqual([1, 2, 3], listify([holder1, 2, [holder3]], unholder=True)) # Unholding doesn't work recursively when not flattening self.assertEqual([1, [2], [holder3]], listify([holder1, [2], [holder3]], unholder=True, flatten=False)) def test_extract_as_list(self): extract = mesonbuild.mesonlib.extract_as_list # Test sanity kwargs = {'sources': [1, 2, 3]} self.assertEqual([1, 2, 3], extract(kwargs, 'sources')) self.assertEqual(kwargs, {'sources': [1, 2, 3]}) self.assertEqual([1, 2, 3], extract(kwargs, 'sources', pop=True)) self.assertEqual(kwargs, {}) # Test unholding holder3 = ObjectHolder(3) kwargs = {'sources': [1, 2, holder3]} self.assertEqual([1, 2, 3], extract(kwargs, 'sources', unholder=True)) self.assertEqual(kwargs, {'sources': [1, 2, holder3]}) self.assertEqual([1, 2, 3], extract(kwargs, 'sources', unholder=True, pop=True)) self.assertEqual(kwargs, {}) # Test listification kwargs = {'sources': [1, 2, 3], 'pch_sources': [4, 5, 6]} self.assertEqual([[1, 2, 3], [4, 5, 6]], extract(kwargs, 'sources', 'pch_sources')) def test_pkgconfig_module(self): class Mock: pass mock = Mock() mock.pcdep = Mock() mock.pcdep.name = "some_name" mock.version_reqs = [] # pkgconfig dependency as lib deps = mesonbuild.modules.pkgconfig.DependenciesHelper("thislib") deps.add_pub_libs([mock]) self.assertEqual(deps.format_reqs(deps.pub_reqs), "some_name") # pkgconfig dependency as requires deps = mesonbuild.modules.pkgconfig.DependenciesHelper("thislib") deps.add_pub_reqs([mock]) self.assertEqual(deps.format_reqs(deps.pub_reqs), "some_name") def _test_all_naming(self, cc, env, patterns, platform): shr = patterns[platform]['shared'] stc = patterns[platform]['static'] p = cc.get_library_naming(env, 'shared') self.assertEqual(p, shr) p = cc.get_library_naming(env, 'static') self.assertEqual(p, stc) p = cc.get_library_naming(env, 'static-shared') self.assertEqual(p, stc + shr) p = cc.get_library_naming(env, 'shared-static') self.assertEqual(p, shr + stc) p = cc.get_library_naming(env, 'default') self.assertEqual(p, shr + stc) # Test find library by mocking up openbsd if platform != 'openbsd': return with tempfile.TemporaryDirectory() as tmpdir: with open(os.path.join(tmpdir, 'libfoo.so.6.0'), 'w') as f: f.write('') with open(os.path.join(tmpdir, 'libfoo.so.5.0'), 'w') as f: f.write('') with open(os.path.join(tmpdir, 'libfoo.so.54.0'), 'w') as f: f.write('') with open(os.path.join(tmpdir, 'libfoo.so.66a.0b'), 'w') as f: f.write('') with open(os.path.join(tmpdir, 'libfoo.so.70.0.so.1'), 'w') as f: f.write('') found = cc.find_library_real('foo', env, [tmpdir], '', 'default') self.assertEqual(os.path.basename(found[0]), 'libfoo.so.54.0') def test_find_library_patterns(self): ''' Unit test for the library search patterns used by find_library() ''' unix_static = ('lib{}.a', '{}.a') msvc_static = ('lib{}.a', 'lib{}.lib', '{}.a', '{}.lib') # This is the priority list of pattern matching for library searching patterns = {'openbsd': {'shared': ('lib{}.so', '{}.so', 'lib{}.so.[0-9]*.[0-9]*'), 'static': unix_static}, 'linux': {'shared': ('lib{}.so', '{}.so'), 'static': unix_static}, 'darwin': {'shared': ('lib{}.dylib', 'lib{}.so', '{}.dylib', '{}.so'), 'static': unix_static}, 'cygwin': {'shared': ('cyg{}.dll', 'cyg{}.dll.a', 'lib{}.dll', 'lib{}.dll.a', '{}.dll', '{}.dll.a'), 'static': ('cyg{}.a',) + unix_static}, 'windows-msvc': {'shared': ('lib{}.lib', '{}.lib'), 'static': msvc_static}, 'windows-mingw': {'shared': ('lib{}.dll.a', 'lib{}.lib', 'lib{}.dll', '{}.dll.a', '{}.lib', '{}.dll'), 'static': msvc_static}} env = get_fake_env('', '', '') cc = env.detect_c_compiler(False) if is_osx(): self._test_all_naming(cc, env, patterns, 'darwin') elif is_cygwin(): self._test_all_naming(cc, env, patterns, 'cygwin') elif is_windows(): if cc.get_argument_syntax() == 'msvc': self._test_all_naming(cc, env, patterns, 'windows-msvc') else: self._test_all_naming(cc, env, patterns, 'windows-mingw') else: self._test_all_naming(cc, env, patterns, 'linux') # Mock OpenBSD since we don't have tests for it true = lambda x, y: True if not is_openbsd(): with PatchModule(mesonbuild.compilers.c.for_openbsd, 'mesonbuild.compilers.c.for_openbsd', true): self._test_all_naming(cc, env, patterns, 'openbsd') else: self._test_all_naming(cc, env, patterns, 'openbsd') with PatchModule(mesonbuild.compilers.c.for_darwin, 'mesonbuild.compilers.c.for_darwin', true): self._test_all_naming(cc, env, patterns, 'darwin') with PatchModule(mesonbuild.compilers.c.for_cygwin, 'mesonbuild.compilers.c.for_cygwin', true): self._test_all_naming(cc, env, patterns, 'cygwin') with PatchModule(mesonbuild.compilers.c.for_windows, 'mesonbuild.compilers.c.for_windows', true): self._test_all_naming(cc, env, patterns, 'windows-mingw') def test_pkgconfig_parse_libs(self): ''' Unit test for parsing of pkg-config output to search for libraries https://github.com/mesonbuild/meson/issues/3951 ''' with tempfile.TemporaryDirectory() as tmpdir: pkgbin = ExternalProgram('pkg-config', command=['pkg-config'], silent=True) env = get_fake_env('', '', '') compiler = env.detect_c_compiler(False) env.coredata.compilers = {'c': compiler} env.coredata.compiler_options['c_link_args'] = FakeCompilerOptions() p1 = Path(tmpdir) / '1' p2 = Path(tmpdir) / '2' p1.mkdir() p2.mkdir() # libfoo.a is in one prefix (p1 / 'libfoo.a').open('w').close() # libbar.a is in both prefixes (p1 / 'libbar.a').open('w').close() (p2 / 'libbar.a').open('w').close() # Ensure that we never statically link to these (p1 / 'libpthread.a').open('w').close() (p1 / 'libm.a').open('w').close() (p1 / 'libc.a').open('w').close() (p1 / 'libdl.a').open('w').close() (p1 / 'librt.a').open('w').close() def fake_call_pkgbin(self, args, env=None): if '--libs' not in args: return 0, '' if args[0] == 'foo': return 0, '-L{} -lfoo -L{} -lbar'.format(p2.as_posix(), p1.as_posix()) if args[0] == 'bar': return 0, '-L{} -lbar'.format(p2.as_posix()) if args[0] == 'internal': return 0, '-L{} -lpthread -lm -lc -lrt -ldl'.format(p1.as_posix()) old_call = PkgConfigDependency._call_pkgbin old_check = PkgConfigDependency.check_pkgconfig PkgConfigDependency._call_pkgbin = fake_call_pkgbin PkgConfigDependency.check_pkgconfig = lambda x: pkgbin # Test begins kwargs = {'required': True, 'silent': True} foo_dep = PkgConfigDependency('foo', env, kwargs) self.assertEqual(foo_dep.get_link_args(), [(p1 / 'libfoo.a').as_posix(), (p2 / 'libbar.a').as_posix()]) bar_dep = PkgConfigDependency('bar', env, kwargs) self.assertEqual(bar_dep.get_link_args(), [(p2 / 'libbar.a').as_posix()]) internal_dep = PkgConfigDependency('internal', env, kwargs) if compiler.get_argument_syntax() == 'msvc': self.assertEqual(internal_dep.get_link_args(), []) else: link_args = internal_dep.get_link_args() for link_arg in link_args: for lib in ('pthread', 'm', 'c', 'dl', 'rt'): self.assertNotIn('lib{}.a'.format(lib), link_arg, msg=link_args) # Test ends PkgConfigDependency._call_pkgbin = old_call PkgConfigDependency.check_pkgconfig = old_check # Reset dependency class to ensure that in-process configure doesn't mess up PkgConfigDependency.pkgbin_cache = {} PkgConfigDependency.class_pkgbin = None def test_version_compare(self): comparefunc = mesonbuild.mesonlib.version_compare_many for (a, b, result) in [ ('0.99.beta19', '>= 0.99.beta14', True), ]: self.assertEqual(comparefunc(a, b)[0], result) for (a, b, result) in [ # examples from https://fedoraproject.org/wiki/Archive:Tools/RPM/VersionComparison ("1.0010", "1.9", 1), ("1.05", "1.5", 0), ("1.0", "1", 1), ("2.50", "2.5", 1), ("fc4", "fc.4", 0), ("FC5", "fc4", -1), ("2a", "2.0", -1), ("1.0", "1.fc4", 1), ("3.0.0_fc", "3.0.0.fc", 0), # from RPM tests ("1.0", "1.0", 0), ("1.0", "2.0", -1), ("2.0", "1.0", 1), ("2.0.1", "2.0.1", 0), ("2.0", "2.0.1", -1), ("2.0.1", "2.0", 1), ("2.0.1a", "2.0.1a", 0), ("2.0.1a", "2.0.1", 1), ("2.0.1", "2.0.1a", -1), ("5.5p1", "5.5p1", 0), ("5.5p1", "5.5p2", -1), ("5.5p2", "5.5p1", 1), ("5.5p10", "5.5p10", 0), ("5.5p1", "5.5p10", -1), ("5.5p10", "5.5p1", 1), ("10xyz", "10.1xyz", -1), ("10.1xyz", "10xyz", 1), ("xyz10", "xyz10", 0), ("xyz10", "xyz10.1", -1), ("xyz10.1", "xyz10", 1), ("xyz.4", "xyz.4", 0), ("xyz.4", "8", -1), ("8", "xyz.4", 1), ("xyz.4", "2", -1), ("2", "xyz.4", 1), ("5.5p2", "5.6p1", -1), ("5.6p1", "5.5p2", 1), ("5.6p1", "6.5p1", -1), ("6.5p1", "5.6p1", 1), ("6.0.rc1", "6.0", 1), ("6.0", "6.0.rc1", -1), ("10b2", "10a1", 1), ("10a2", "10b2", -1), ("1.0aa", "1.0aa", 0), ("1.0a", "1.0aa", -1), ("1.0aa", "1.0a", 1), ("10.0001", "10.0001", 0), ("10.0001", "10.1", 0), ("10.1", "10.0001", 0), ("10.0001", "10.0039", -1), ("10.0039", "10.0001", 1), ("4.999.9", "5.0", -1), ("5.0", "4.999.9", 1), ("20101121", "20101121", 0), ("20101121", "20101122", -1), ("20101122", "20101121", 1), ("2_0", "2_0", 0), ("2.0", "2_0", 0), ("2_0", "2.0", 0), ("a", "a", 0), ("a+", "a+", 0), ("a+", "a_", 0), ("a_", "a+", 0), ("+a", "+a", 0), ("+a", "_a", 0), ("_a", "+a", 0), ("+_", "+_", 0), ("_+", "+_", 0), ("_+", "_+", 0), ("+", "_", 0), ("_", "+", 0), # other tests ('0.99.beta19', '0.99.beta14', 1), ("1.0.0", "2.0.0", -1), (".0.0", "2.0.0", -1), ("alpha", "beta", -1), ("1.0", "1.0.0", -1), ("2.456", "2.1000", -1), ("2.1000", "3.111", -1), ("2.001", "2.1", 0), ("2.34", "2.34", 0), ("6.1.2", "6.3.8", -1), ("1.7.3.0", "2.0.0", -1), ("2.24.51", "2.25", -1), ("2.1.5+20120813+gitdcbe778", "2.1.5", 1), ("3.4.1", "3.4b1", 1), ("041206", "200090325", -1), ("0.6.2+git20130413", "0.6.2", 1), ("2.6.0+bzr6602", "2.6.0", 1), ("2.6.0", "2.6b2", 1), ("2.6.0+bzr6602", "2.6b2x", 1), ("0.6.7+20150214+git3a710f9", "0.6.7", 1), ("15.8b", "15.8.0.1", -1), ("1.2rc1", "1.2.0", -1), ]: ver_a = Version(a) ver_b = Version(b) self.assertEqual(ver_a.__cmp__(ver_b), result) self.assertEqual(ver_b.__cmp__(ver_a), -result) @unittest.skipIf(is_tarball(), 'Skipping because this is a tarball release') class DataTests(unittest.TestCase): def test_snippets(self): hashcounter = re.compile('^ *(#)+') snippet_dir = Path('docs/markdown/snippets') self.assertTrue(snippet_dir.is_dir()) for f in snippet_dir.glob('*'): self.assertTrue(f.is_file()) if f.parts[-1].endswith('~'): continue if f.suffix == '.md': in_code_block = False with f.open() as snippet: for line in snippet: if line.startswith(' '): continue if line.startswith('```'): in_code_block = not in_code_block if in_code_block: continue m = re.match(hashcounter, line) if m: self.assertEqual(len(m.group(0)), 2, 'All headings in snippets must have two hash symbols: ' + f.name) self.assertFalse(in_code_block, 'Unclosed code block.') else: if f.name != 'add_release_note_snippets_here': self.assertTrue(False, 'A file without .md suffix in snippets dir: ' + f.name) def test_compiler_options_documented(self): ''' Test that C and C++ compiler options and base options are documented in Builtin-Options.md. Only tests the default compiler for the current platform on the CI. ''' md = None with open('docs/markdown/Builtin-options.md') as f: md = f.read() self.assertIsNotNone(md) env = get_fake_env('', '', '') # FIXME: Support other compilers cc = env.detect_c_compiler(False) cpp = env.detect_cpp_compiler(False) for comp in (cc, cpp): for opt in comp.get_options().keys(): self.assertIn(opt, md) for opt in comp.base_options: self.assertIn(opt, md) self.assertNotIn('b_unknown', md) def test_cpu_families_documented(self): with open("docs/markdown/Reference-tables.md") as f: md = f.read() self.assertIsNotNone(md) sections = list(re.finditer(r"^## (.+)$", md, re.MULTILINE)) for s1, s2 in zip(sections[::2], sections[1::2]): if s1.group(1) == "CPU families": # Extract the content for this section content = md[s1.end():s2.start()] # Find the list entries arches = [m.group(1) for m in re.finditer(r"^\| (\w+) +\|", content, re.MULTILINE)] # Drop the header arches = set(arches[1:]) self.assertEqual(arches, set(mesonbuild.environment.known_cpu_families)) def test_markdown_files_in_sitemap(self): ''' Test that each markdown files in docs/markdown is referenced in sitemap.txt ''' with open("docs/sitemap.txt") as f: md = f.read() self.assertIsNotNone(md) toc = list(m.group(1) for m in re.finditer(r"^\s*(\w.*)$", md, re.MULTILINE)) markdownfiles = [f.name for f in Path("docs/markdown").iterdir() if f.is_file() and f.suffix == '.md'] exceptions = ['_Sidebar.md'] for f in markdownfiles: if f not in exceptions: self.assertIn(f, toc) def test_syntax_highlighting_files(self): ''' Ensure that syntax highlighting files were updated for new functions in the global namespace in build files. ''' env = get_fake_env('', '', '') interp = Interpreter(FakeBuild(env), mock=True) with open('data/syntax-highlighting/vim/syntax/meson.vim') as f: res = re.search(r'syn keyword mesonBuiltin(\s+\\\s\w+)+', f.read(), re.MULTILINE) defined = set([a.strip() for a in res.group().split('\\')][1:]) self.assertEqual(defined, set(chain(interp.funcs.keys(), interp.builtin.keys()))) class BasePlatformTests(unittest.TestCase): def setUp(self): super().setUp() src_root = os.path.dirname(__file__) src_root = os.path.join(os.getcwd(), src_root) self.src_root = src_root self.prefix = '/usr' self.libdir = 'lib' # Get the backend # FIXME: Extract this from argv? self.backend = getattr(Backend, os.environ.get('MESON_UNIT_TEST_BACKEND', 'ninja')) self.meson_args = ['--backend=' + self.backend.name] self.meson_cross_file = None self.meson_command = python_command + [get_meson_script()] self.setup_command = self.meson_command + self.meson_args self.mconf_command = self.meson_command + ['configure'] self.mintro_command = self.meson_command + ['introspect'] self.wrap_command = self.meson_command + ['wrap'] # Backend-specific build commands self.build_command, self.clean_command, self.test_command, self.install_command, \ self.uninstall_command = get_backend_commands(self.backend) # Test directories self.common_test_dir = os.path.join(src_root, 'test cases/common') self.vala_test_dir = os.path.join(src_root, 'test cases/vala') self.framework_test_dir = os.path.join(src_root, 'test cases/frameworks') self.unit_test_dir = os.path.join(src_root, 'test cases/unit') # Misc stuff self.orig_env = os.environ.copy() if self.backend is Backend.ninja: self.no_rebuild_stdout = ['ninja: no work to do.', 'samu: nothing to do'] else: # VS doesn't have a stable output when no changes are done # XCode backend is untested with unit tests, help welcome! self.no_rebuild_stdout = ['UNKNOWN BACKEND {!r}'.format(self.backend.name)] self.builddirs = [] self.new_builddir() def change_builddir(self, newdir): self.builddir = newdir self.privatedir = os.path.join(self.builddir, 'meson-private') self.logdir = os.path.join(self.builddir, 'meson-logs') self.installdir = os.path.join(self.builddir, 'install') self.distdir = os.path.join(self.builddir, 'meson-dist') self.mtest_command = self.meson_command + ['test', '-C', self.builddir] self.builddirs.append(self.builddir) def new_builddir(self): # In case the directory is inside a symlinked directory, find the real # path otherwise we might not find the srcdir from inside the builddir. newdir = os.path.realpath(tempfile.mkdtemp()) self.change_builddir(newdir) def _print_meson_log(self): log = os.path.join(self.logdir, 'meson-log.txt') if not os.path.isfile(log): print("{!r} doesn't exist".format(log)) return with open(log, 'r', encoding='utf-8') as f: print(f.read()) def tearDown(self): for path in self.builddirs: try: windows_proof_rmtree(path) except FileNotFoundError: pass os.environ.clear() os.environ.update(self.orig_env) super().tearDown() def _run(self, command, workdir=None): ''' Run a command while printing the stdout and stderr to stdout, and also return a copy of it ''' # If this call hangs CI will just abort. It is very hard to distinguish # between CI issue and test bug in that case. Set timeout and fail loud # instead. p = subprocess.run(command, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, env=os.environ.copy(), universal_newlines=True, cwd=workdir, timeout=60 * 5) print(p.stdout) if p.returncode != 0: if 'MESON_SKIP_TEST' in p.stdout: raise unittest.SkipTest('Project requested skipping.') raise subprocess.CalledProcessError(p.returncode, command, output=p.stdout) return p.stdout def init(self, srcdir, extra_args=None, default_args=True, inprocess=False): self.assertPathExists(srcdir) if extra_args is None: extra_args = [] if not isinstance(extra_args, list): extra_args = [extra_args] args = [srcdir, self.builddir] if default_args: args += ['--prefix', self.prefix, '--libdir', self.libdir] if self.meson_cross_file: args += ['--cross-file', self.meson_cross_file] self.privatedir = os.path.join(self.builddir, 'meson-private') if inprocess: try: (returncode, out, err) = run_configure_inprocess(self.meson_args + args + extra_args) if 'MESON_SKIP_TEST' in out: raise unittest.SkipTest('Project requested skipping.') if returncode != 0: self._print_meson_log() print('Stdout:\n') print(out) print('Stderr:\n') print(err) raise RuntimeError('Configure failed') except: self._print_meson_log() raise finally: # Close log file to satisfy Windows file locking mesonbuild.mlog.shutdown() mesonbuild.mlog.log_dir = None mesonbuild.mlog.log_file = None else: try: out = self._run(self.setup_command + args + extra_args) except unittest.SkipTest: raise unittest.SkipTest('Project requested skipping: ' + srcdir) except: self._print_meson_log() raise return out def build(self, target=None, extra_args=None): if extra_args is None: extra_args = [] # Add arguments for building the target (if specified), # and using the build dir (if required, with VS) args = get_builddir_target_args(self.backend, self.builddir, target) return self._run(self.build_command + args + extra_args, workdir=self.builddir) def clean(self): dir_args = get_builddir_target_args(self.backend, self.builddir, None) self._run(self.clean_command + dir_args, workdir=self.builddir) def run_tests(self, inprocess=False): if not inprocess: self._run(self.test_command, workdir=self.builddir) else: run_mtest_inprocess(['-C', self.builddir]) def install(self, *, use_destdir=True): if self.backend is not Backend.ninja: raise unittest.SkipTest('{!r} backend can\'t install files'.format(self.backend.name)) if use_destdir: os.environ['DESTDIR'] = self.installdir self._run(self.install_command, workdir=self.builddir) def uninstall(self): self._run(self.uninstall_command, workdir=self.builddir) def run_target(self, target): ''' Run a Ninja target while printing the stdout and stderr to stdout, and also return a copy of it ''' return self.build(target=target) def setconf(self, arg, will_build=True): if not isinstance(arg, list): arg = [arg] if will_build: ensure_backend_detects_changes(self.backend) self._run(self.mconf_command + arg + [self.builddir]) def wipe(self): windows_proof_rmtree(self.builddir) def utime(self, f): ensure_backend_detects_changes(self.backend) os.utime(f) def get_compdb(self): if self.backend is not Backend.ninja: raise unittest.SkipTest('Compiler db not available with {} backend'.format(self.backend.name)) try: with open(os.path.join(self.builddir, 'compile_commands.json')) as ifile: contents = json.load(ifile) except FileNotFoundError: raise unittest.SkipTest('Compiler db not found') # If Ninja is using .rsp files, generate them, read their contents, and # replace it as the command for all compile commands in the parsed json. if len(contents) > 0 and contents[0]['command'].endswith('.rsp'): # Pretend to build so that the rsp files are generated self.build(extra_args=['-d', 'keeprsp', '-n']) for each in contents: # Extract the actual command from the rsp file compiler, rsp = each['command'].split(' @') rsp = os.path.join(self.builddir, rsp) # Replace the command with its contents with open(rsp, 'r', encoding='utf-8') as f: each['command'] = compiler + ' ' + f.read() return contents def get_meson_log(self): with open(os.path.join(self.builddir, 'meson-logs', 'meson-log.txt')) as f: return f.readlines() def get_meson_log_compiler_checks(self): ''' Fetch a list command-lines run by meson for compiler checks. Each command-line is returned as a list of arguments. ''' log = self.get_meson_log() prefix = 'Command line:' cmds = [l[len(prefix):].split() for l in log if l.startswith(prefix)] return cmds def introspect(self, args): if isinstance(args, str): args = [args] out = subprocess.check_output(self.mintro_command + args + [self.builddir], universal_newlines=True) return json.loads(out) def introspect_directory(self, directory, args): if isinstance(args, str): args = [args] out = subprocess.check_output(self.mintro_command + args + [directory], universal_newlines=True) try: obj = json.loads(out) except Exception as e: print(out) raise e return obj def assertPathEqual(self, path1, path2): ''' Handles a lot of platform-specific quirks related to paths such as separator, case-sensitivity, etc. ''' self.assertEqual(PurePath(path1), PurePath(path2)) def assertPathListEqual(self, pathlist1, pathlist2): self.assertEquals(len(pathlist1), len(pathlist2)) worklist = list(zip(pathlist1, pathlist2)) for i in worklist: self.assertPathEqual(i[0], i[1]) def assertPathBasenameEqual(self, path, basename): msg = '{!r} does not end with {!r}'.format(path, basename) # We cannot use os.path.basename because it returns '' when the path # ends with '/' for some silly reason. This is not how the UNIX utility # `basename` works. path_basename = PurePath(path).parts[-1] self.assertEqual(PurePath(path_basename), PurePath(basename), msg) def assertBuildIsNoop(self): ret = self.build() if self.backend is Backend.ninja: self.assertIn(ret.split('\n')[-2], self.no_rebuild_stdout) elif self.backend is Backend.vs: # Ensure that some target said that no rebuild was done self.assertIn('CustomBuild:\n All outputs are up-to-date.', ret) self.assertIn('ClCompile:\n All outputs are up-to-date.', ret) self.assertIn('Link:\n All outputs are up-to-date.', ret) # Ensure that no targets were built clre = re.compile('ClCompile:\n [^\n]*cl', flags=re.IGNORECASE) linkre = re.compile('Link:\n [^\n]*link', flags=re.IGNORECASE) self.assertNotRegex(ret, clre) self.assertNotRegex(ret, linkre) elif self.backend is Backend.xcode: raise unittest.SkipTest('Please help us fix this test on the xcode backend') else: raise RuntimeError('Invalid backend: {!r}'.format(self.backend.name)) def assertRebuiltTarget(self, target): ret = self.build() if self.backend is Backend.ninja: self.assertIn('Linking target {}'.format(target), ret) elif self.backend is Backend.vs: # Ensure that this target was rebuilt linkre = re.compile('Link:\n [^\n]*link[^\n]*' + target, flags=re.IGNORECASE) self.assertRegex(ret, linkre) elif self.backend is Backend.xcode: raise unittest.SkipTest('Please help us fix this test on the xcode backend') else: raise RuntimeError('Invalid backend: {!r}'.format(self.backend.name)) def assertPathExists(self, path): m = 'Path {!r} should exist'.format(path) self.assertTrue(os.path.exists(path), msg=m) def assertPathDoesNotExist(self, path): m = 'Path {!r} should not exist'.format(path) self.assertFalse(os.path.exists(path), msg=m) class AllPlatformTests(BasePlatformTests): ''' Tests that should run on all platforms ''' def test_default_options_prefix(self): ''' Tests that setting a prefix in default_options in project() works. Can't be an ordinary test because we pass --prefix to meson there. https://github.com/mesonbuild/meson/issues/1349 ''' testdir = os.path.join(self.common_test_dir, '91 default options') self.init(testdir, default_args=False) opts = self.introspect('--buildoptions') for opt in opts: if opt['name'] == 'prefix': prefix = opt['value'] self.assertEqual(prefix, '/absoluteprefix') def test_absolute_prefix_libdir(self): ''' Tests that setting absolute paths for --prefix and --libdir work. Can't be an ordinary test because these are set via the command-line. https://github.com/mesonbuild/meson/issues/1341 https://github.com/mesonbuild/meson/issues/1345 ''' testdir = os.path.join(self.common_test_dir, '91 default options') prefix = '/someabs' libdir = 'libdir' extra_args = ['--prefix=' + prefix, # This can just be a relative path, but we want to test # that passing this as an absolute path also works '--libdir=' + prefix + '/' + libdir] self.init(testdir, extra_args, default_args=False) opts = self.introspect('--buildoptions') for opt in opts: if opt['name'] == 'prefix': self.assertEqual(prefix, opt['value']) elif opt['name'] == 'libdir': self.assertEqual(libdir, opt['value']) def test_libdir_must_be_inside_prefix(self): ''' Tests that libdir is forced to be inside prefix no matter how it is set. Must be a unit test for obvious reasons. ''' testdir = os.path.join(self.common_test_dir, '1 trivial') # libdir being inside prefix is ok args = ['--prefix', '/opt', '--libdir', '/opt/lib32'] self.init(testdir, args) self.wipe() # libdir not being inside prefix is not ok args = ['--prefix', '/usr', '--libdir', '/opt/lib32'] self.assertRaises(subprocess.CalledProcessError, self.init, testdir, args) self.wipe() # libdir must be inside prefix even when set via mesonconf self.init(testdir) self.assertRaises(subprocess.CalledProcessError, self.setconf, '-Dlibdir=/opt', False) def test_prefix_dependent_defaults(self): ''' Tests that configured directory paths are set to prefix dependent defaults. ''' testdir = os.path.join(self.common_test_dir, '1 trivial') expected = { '/opt': {'prefix': '/opt', 'bindir': 'bin', 'datadir': 'share', 'includedir': 'include', 'infodir': 'share/info', 'libexecdir': 'libexec', 'localedir': 'share/locale', 'localstatedir': 'var', 'mandir': 'share/man', 'sbindir': 'sbin', 'sharedstatedir': 'com', 'sysconfdir': 'etc'}, '/usr': {'prefix': '/usr', 'bindir': 'bin', 'datadir': 'share', 'includedir': 'include', 'infodir': 'share/info', 'libexecdir': 'libexec', 'localedir': 'share/locale', 'localstatedir': '/var', 'mandir': 'share/man', 'sbindir': 'sbin', 'sharedstatedir': '/var/lib', 'sysconfdir': '/etc'}, '/usr/local': {'prefix': '/usr/local', 'bindir': 'bin', 'datadir': 'share', 'includedir': 'include', 'infodir': 'share/info', 'libexecdir': 'libexec', 'localedir': 'share/locale', 'localstatedir': '/var/local', 'mandir': 'share/man', 'sbindir': 'sbin', 'sharedstatedir': '/var/local/lib', 'sysconfdir': 'etc'}, # N.B. We don't check 'libdir' as it's platform dependent, see # default_libdir(): } for prefix in expected: args = ['--prefix', prefix] self.init(testdir, args, default_args=False) opts = self.introspect('--buildoptions') for opt in opts: name = opt['name'] value = opt['value'] if name in expected[prefix]: self.assertEqual(value, expected[prefix][name]) self.wipe() def test_default_options_prefix_dependent_defaults(self): ''' Tests that setting a prefix in default_options in project() sets prefix dependent defaults for other options, and that those defaults can be overridden in default_options or by the command line. ''' testdir = os.path.join(self.common_test_dir, '169 default options prefix dependent defaults') expected = { '': {'prefix': '/usr', 'sysconfdir': '/etc', 'localstatedir': '/var', 'sharedstatedir': '/sharedstate'}, '--prefix=/usr': {'prefix': '/usr', 'sysconfdir': '/etc', 'localstatedir': '/var', 'sharedstatedir': '/sharedstate'}, '--sharedstatedir=/var/state': {'prefix': '/usr', 'sysconfdir': '/etc', 'localstatedir': '/var', 'sharedstatedir': '/var/state'}, '--sharedstatedir=/var/state --prefix=/usr --sysconfdir=sysconf': {'prefix': '/usr', 'sysconfdir': 'sysconf', 'localstatedir': '/var', 'sharedstatedir': '/var/state'}, } for args in expected: self.init(testdir, args.split(), default_args=False) opts = self.introspect('--buildoptions') for opt in opts: name = opt['name'] value = opt['value'] if name in expected[args]: self.assertEqual(value, expected[args][name]) self.wipe() def test_static_library_overwrite(self): ''' Tests that static libraries are never appended to, always overwritten. Has to be a unit test because this involves building a project, reconfiguring, and building it again so that `ar` is run twice on the same static library. https://github.com/mesonbuild/meson/issues/1355 ''' testdir = os.path.join(self.common_test_dir, '3 static') env = get_fake_env(testdir, self.builddir, self.prefix) cc = env.detect_c_compiler(False) static_linker = env.detect_static_linker(cc) if is_windows(): raise unittest.SkipTest('https://github.com/mesonbuild/meson/issues/1526') if not isinstance(static_linker, mesonbuild.linkers.ArLinker): raise unittest.SkipTest('static linker is not `ar`') # Configure self.init(testdir) # Get name of static library targets = self.introspect('--targets') self.assertEqual(len(targets), 1) libname = targets[0]['filename'] # Build and get contents of static library self.build() before = self._run(['ar', 't', os.path.join(self.builddir, libname)]).split() # Filter out non-object-file contents before = [f for f in before if f.endswith(('.o', '.obj'))] # Static library should contain only one object self.assertEqual(len(before), 1, msg=before) # Change the source to be built into the static library self.setconf('-Dsource=libfile2.c') self.build() after = self._run(['ar', 't', os.path.join(self.builddir, libname)]).split() # Filter out non-object-file contents after = [f for f in after if f.endswith(('.o', '.obj'))] # Static library should contain only one object self.assertEqual(len(after), 1, msg=after) # and the object must have changed self.assertNotEqual(before, after) def test_static_compile_order(self): ''' Test that the order of files in a compiler command-line while compiling and linking statically is deterministic. This can't be an ordinary test case because we need to inspect the compiler database. https://github.com/mesonbuild/meson/pull/951 ''' testdir = os.path.join(self.common_test_dir, '5 linkstatic') self.init(testdir) compdb = self.get_compdb() # Rules will get written out in this order self.assertTrue(compdb[0]['file'].endswith("libfile.c")) self.assertTrue(compdb[1]['file'].endswith("libfile2.c")) self.assertTrue(compdb[2]['file'].endswith("libfile3.c")) self.assertTrue(compdb[3]['file'].endswith("libfile4.c")) # FIXME: We don't have access to the linker command def test_run_target_files_path(self): ''' Test that run_targets are run from the correct directory https://github.com/mesonbuild/meson/issues/957 ''' testdir = os.path.join(self.common_test_dir, '55 run target') self.init(testdir) self.run_target('check_exists') def test_install_introspection(self): ''' Tests that the Meson introspection API exposes install filenames correctly https://github.com/mesonbuild/meson/issues/829 ''' if self.backend is not Backend.ninja: raise unittest.SkipTest('{!r} backend can\'t install files'.format(self.backend.name)) testdir = os.path.join(self.common_test_dir, '8 install') self.init(testdir) intro = self.introspect('--targets') if intro[0]['type'] == 'executable': intro = intro[::-1] self.assertPathListEqual(intro[0]['install_filename'], ['/usr/lib/libstat.a']) self.assertPathListEqual(intro[1]['install_filename'], ['/usr/bin/prog' + exe_suffix]) def test_install_introspection_multiple_outputs(self): ''' Tests that the Meson introspection API exposes multiple install filenames correctly without crashing https://github.com/mesonbuild/meson/pull/4555 ''' if self.backend is not Backend.ninja: raise unittest.SkipTest('{!r} backend can\'t install files'.format(self.backend.name)) testdir = os.path.join(self.common_test_dir, '145 custom target multiple outputs') self.init(testdir) intro = self.introspect('--targets') if intro[0]['type'] == 'executable': intro = intro[::-1] self.assertPathListEqual(intro[0]['install_filename'], ['/usr/include/diff.h', '/usr/bin/diff.sh']) self.assertPathListEqual(intro[1]['install_filename'], ['/opt/same.h', '/opt/same.sh']) self.assertPathListEqual(intro[2]['install_filename'], ['/usr/include/first.h']) self.assertPathListEqual(intro[3]['install_filename'], ['/usr/bin/second.sh']) def test_uninstall(self): exename = os.path.join(self.installdir, 'usr/bin/prog' + exe_suffix) testdir = os.path.join(self.common_test_dir, '8 install') self.init(testdir) self.assertPathDoesNotExist(exename) self.install() self.assertPathExists(exename) self.uninstall() self.assertPathDoesNotExist(exename) def test_forcefallback(self): testdir = os.path.join(self.unit_test_dir, '31 forcefallback') self.init(testdir, ['--wrap-mode=forcefallback']) self.build() self.run_tests() def test_testsetups(self): if not shutil.which('valgrind'): raise unittest.SkipTest('Valgrind not installed.') testdir = os.path.join(self.unit_test_dir, '2 testsetups') self.init(testdir) self.build() # Run tests without setup self.run_tests() with open(os.path.join(self.logdir, 'testlog.txt')) as f: basic_log = f.read() # Run buggy test with setup that has env that will make it fail self.assertRaises(subprocess.CalledProcessError, self._run, self.mtest_command + ['--setup=valgrind']) with open(os.path.join(self.logdir, 'testlog-valgrind.txt')) as f: vg_log = f.read() self.assertFalse('TEST_ENV is set' in basic_log) self.assertFalse('Memcheck' in basic_log) self.assertTrue('TEST_ENV is set' in vg_log) self.assertTrue('Memcheck' in vg_log) # Run buggy test with setup without env that will pass self._run(self.mtest_command + ['--setup=wrapper']) # Setup with no properties works self._run(self.mtest_command + ['--setup=empty']) # Setup with only env works self._run(self.mtest_command + ['--setup=onlyenv']) self._run(self.mtest_command + ['--setup=onlyenv2']) self._run(self.mtest_command + ['--setup=onlyenv3']) # Setup with only a timeout works self._run(self.mtest_command + ['--setup=timeout']) def test_testsetup_selection(self): testdir = os.path.join(self.unit_test_dir, '14 testsetup selection') self.init(testdir) self.build() # Run tests without setup self.run_tests() self.assertRaises(subprocess.CalledProcessError, self._run, self.mtest_command + ['--setup=missingfromfoo']) self._run(self.mtest_command + ['--setup=missingfromfoo', '--no-suite=foo:']) self._run(self.mtest_command + ['--setup=worksforall']) self._run(self.mtest_command + ['--setup=main:worksforall']) self.assertRaises(subprocess.CalledProcessError, self._run, self.mtest_command + ['--setup=onlyinbar']) self.assertRaises(subprocess.CalledProcessError, self._run, self.mtest_command + ['--setup=onlyinbar', '--no-suite=main:']) self._run(self.mtest_command + ['--setup=onlyinbar', '--no-suite=main:', '--no-suite=foo:']) self._run(self.mtest_command + ['--setup=bar:onlyinbar']) self.assertRaises(subprocess.CalledProcessError, self._run, self.mtest_command + ['--setup=foo:onlyinbar']) self.assertRaises(subprocess.CalledProcessError, self._run, self.mtest_command + ['--setup=main:onlyinbar']) def test_testsetup_default(self): testdir = os.path.join(self.unit_test_dir, '47 testsetup default') self.init(testdir) self.build() # Run tests without --setup will cause the default setup to be used self.run_tests() with open(os.path.join(self.logdir, 'testlog.txt')) as f: default_log = f.read() # Run tests with explicitly using the same setup that is set as default self._run(self.mtest_command + ['--setup=mydefault']) with open(os.path.join(self.logdir, 'testlog-mydefault.txt')) as f: mydefault_log = f.read() # Run tests with another setup self._run(self.mtest_command + ['--setup=other']) with open(os.path.join(self.logdir, 'testlog-other.txt')) as f: other_log = f.read() self.assertTrue('ENV_A is 1' in default_log) self.assertTrue('ENV_B is 2' in default_log) self.assertTrue('ENV_C is 2' in default_log) self.assertTrue('ENV_A is 1' in mydefault_log) self.assertTrue('ENV_B is 2' in mydefault_log) self.assertTrue('ENV_C is 2' in mydefault_log) self.assertTrue('ENV_A is 1' in other_log) self.assertTrue('ENV_B is 3' in other_log) self.assertTrue('ENV_C is 2' in other_log) def assertFailedTestCount(self, failure_count, command): try: self._run(command) self.assertEqual(0, failure_count, 'Expected %d tests to fail.' % failure_count) except subprocess.CalledProcessError as e: self.assertEqual(e.returncode, failure_count) def test_suite_selection(self): testdir = os.path.join(self.unit_test_dir, '4 suite selection') self.init(testdir) self.build() self.assertFailedTestCount(3, self.mtest_command) self.assertFailedTestCount(0, self.mtest_command + ['--suite', ':success']) self.assertFailedTestCount(3, self.mtest_command + ['--suite', ':fail']) self.assertFailedTestCount(3, self.mtest_command + ['--no-suite', ':success']) self.assertFailedTestCount(0, self.mtest_command + ['--no-suite', ':fail']) self.assertFailedTestCount(1, self.mtest_command + ['--suite', 'mainprj']) self.assertFailedTestCount(0, self.mtest_command + ['--suite', 'subprjsucc']) self.assertFailedTestCount(1, self.mtest_command + ['--suite', 'subprjfail']) self.assertFailedTestCount(1, self.mtest_command + ['--suite', 'subprjmix']) self.assertFailedTestCount(2, self.mtest_command + ['--no-suite', 'mainprj']) self.assertFailedTestCount(3, self.mtest_command + ['--no-suite', 'subprjsucc']) self.assertFailedTestCount(2, self.mtest_command + ['--no-suite', 'subprjfail']) self.assertFailedTestCount(2, self.mtest_command + ['--no-suite', 'subprjmix']) self.assertFailedTestCount(1, self.mtest_command + ['--suite', 'mainprj:fail']) self.assertFailedTestCount(0, self.mtest_command + ['--suite', 'mainprj:success']) self.assertFailedTestCount(2, self.mtest_command + ['--no-suite', 'mainprj:fail']) self.assertFailedTestCount(3, self.mtest_command + ['--no-suite', 'mainprj:success']) self.assertFailedTestCount(1, self.mtest_command + ['--suite', 'subprjfail:fail']) self.assertFailedTestCount(0, self.mtest_command + ['--suite', 'subprjfail:success']) self.assertFailedTestCount(2, self.mtest_command + ['--no-suite', 'subprjfail:fail']) self.assertFailedTestCount(3, self.mtest_command + ['--no-suite', 'subprjfail:success']) self.assertFailedTestCount(0, self.mtest_command + ['--suite', 'subprjsucc:fail']) self.assertFailedTestCount(0, self.mtest_command + ['--suite', 'subprjsucc:success']) self.assertFailedTestCount(3, self.mtest_command + ['--no-suite', 'subprjsucc:fail']) self.assertFailedTestCount(3, self.mtest_command + ['--no-suite', 'subprjsucc:success']) self.assertFailedTestCount(1, self.mtest_command + ['--suite', 'subprjmix:fail']) self.assertFailedTestCount(0, self.mtest_command + ['--suite', 'subprjmix:success']) self.assertFailedTestCount(2, self.mtest_command + ['--no-suite', 'subprjmix:fail']) self.assertFailedTestCount(3, self.mtest_command + ['--no-suite', 'subprjmix:success']) self.assertFailedTestCount(2, self.mtest_command + ['--suite', 'subprjfail', '--suite', 'subprjmix:fail']) self.assertFailedTestCount(3, self.mtest_command + ['--suite', 'subprjfail', '--suite', 'subprjmix', '--suite', 'mainprj']) self.assertFailedTestCount(2, self.mtest_command + ['--suite', 'subprjfail', '--suite', 'subprjmix', '--suite', 'mainprj', '--no-suite', 'subprjmix:fail']) self.assertFailedTestCount(1, self.mtest_command + ['--suite', 'subprjfail', '--suite', 'subprjmix', '--suite', 'mainprj', '--no-suite', 'subprjmix:fail', 'mainprj-failing_test']) self.assertFailedTestCount(1, self.mtest_command + ['--no-suite', 'subprjfail:fail', '--no-suite', 'subprjmix:fail']) def test_build_by_default(self): testdir = os.path.join(self.common_test_dir, '134 build by default') self.init(testdir) self.build() genfile1 = os.path.join(self.builddir, 'generated1.dat') genfile2 = os.path.join(self.builddir, 'generated2.dat') exe1 = os.path.join(self.builddir, 'fooprog' + exe_suffix) exe2 = os.path.join(self.builddir, 'barprog' + exe_suffix) self.assertPathExists(genfile1) self.assertPathExists(genfile2) self.assertPathDoesNotExist(exe1) self.assertPathDoesNotExist(exe2) self.build(target=('fooprog' + exe_suffix)) self.assertPathExists(exe1) self.build(target=('barprog' + exe_suffix)) self.assertPathExists(exe2) def test_internal_include_order(self): testdir = os.path.join(self.common_test_dir, '135 include order') self.init(testdir) execmd = fxecmd = None for cmd in self.get_compdb(): if 'someexe' in cmd['command']: execmd = cmd['command'] continue if 'somefxe' in cmd['command']: fxecmd = cmd['command'] continue if not execmd or not fxecmd: raise Exception('Could not find someexe and somfxe commands') # Check include order for 'someexe' incs = [a for a in shlex.split(execmd) if a.startswith("-I")] self.assertEqual(len(incs), 9) # target private dir someexe_id = Target.construct_id_from_path("sub4", "someexe", "@exe") self.assertPathEqual(incs[0], "-I" + os.path.join("sub4", someexe_id)) # target build subdir self.assertPathEqual(incs[1], "-Isub4") # target source subdir self.assertPathBasenameEqual(incs[2], 'sub4') # include paths added via per-target c_args: ['-I'...] self.assertPathBasenameEqual(incs[3], 'sub3') # target include_directories: build dir self.assertPathEqual(incs[4], "-Isub2") # target include_directories: source dir self.assertPathBasenameEqual(incs[5], 'sub2') # target internal dependency include_directories: build dir self.assertPathEqual(incs[6], "-Isub1") # target internal dependency include_directories: source dir self.assertPathBasenameEqual(incs[7], 'sub1') # custom target include dir self.assertPathEqual(incs[8], '-Ictsub') # Check include order for 'somefxe' incs = [a for a in shlex.split(fxecmd) if a.startswith('-I')] self.assertEqual(len(incs), 9) # target private dir self.assertPathEqual(incs[0], '-Isomefxe@exe') # target build dir self.assertPathEqual(incs[1], '-I.') # target source dir self.assertPathBasenameEqual(incs[2], os.path.basename(testdir)) # target internal dependency correct include_directories: build dir self.assertPathEqual(incs[3], "-Isub4") # target internal dependency correct include_directories: source dir self.assertPathBasenameEqual(incs[4], 'sub4') # target internal dependency dep include_directories: build dir self.assertPathEqual(incs[5], "-Isub1") # target internal dependency dep include_directories: source dir self.assertPathBasenameEqual(incs[6], 'sub1') # target internal dependency wrong include_directories: build dir self.assertPathEqual(incs[7], "-Isub2") # target internal dependency wrong include_directories: source dir self.assertPathBasenameEqual(incs[8], 'sub2') def test_compiler_detection(self): ''' Test that automatic compiler detection and setting from the environment both work just fine. This is needed because while running project tests and other unit tests, we always read CC/CXX/etc from the environment. ''' gnu = mesonbuild.compilers.GnuCompiler clang = mesonbuild.compilers.ClangCompiler intel = mesonbuild.compilers.IntelCompiler msvc = mesonbuild.compilers.VisualStudioCCompiler clangcl = mesonbuild.compilers.ClangClCCompiler ar = mesonbuild.linkers.ArLinker lib = mesonbuild.linkers.VisualStudioLinker langs = [('c', 'CC'), ('cpp', 'CXX')] if not is_windows(): langs += [('objc', 'OBJC'), ('objcpp', 'OBJCXX')] testdir = os.path.join(self.unit_test_dir, '5 compiler detection') env = get_fake_env(testdir, self.builddir, self.prefix) for lang, evar in langs: # Detect with evar and do sanity checks on that if evar in os.environ: ecc = getattr(env, 'detect_{}_compiler'.format(lang))(False) self.assertTrue(ecc.version) elinker = env.detect_static_linker(ecc) # Pop it so we don't use it for the next detection evalue = os.environ.pop(evar) # Very rough/strict heuristics. Would never work for actual # compiler detection, but should be ok for the tests. ebase = os.path.basename(evalue) if ebase.startswith('g') or ebase.endswith(('-gcc', '-g++')): self.assertIsInstance(ecc, gnu) self.assertIsInstance(elinker, ar) elif 'clang-cl' in ebase: self.assertIsInstance(ecc, clangcl) self.assertIsInstance(elinker, lib) elif 'clang' in ebase: self.assertIsInstance(ecc, clang) self.assertIsInstance(elinker, ar) elif ebase.startswith('ic'): self.assertIsInstance(ecc, intel) self.assertIsInstance(elinker, ar) elif ebase.startswith('cl'): self.assertIsInstance(ecc, msvc) self.assertIsInstance(elinker, lib) else: raise AssertionError('Unknown compiler {!r}'.format(evalue)) # Check that we actually used the evalue correctly as the compiler self.assertEqual(ecc.get_exelist(), shlex.split(evalue)) # Do auto-detection of compiler based on platform, PATH, etc. cc = getattr(env, 'detect_{}_compiler'.format(lang))(False) self.assertTrue(cc.version) linker = env.detect_static_linker(cc) # Check compiler type if isinstance(cc, gnu): self.assertIsInstance(linker, ar) if is_osx(): self.assertEqual(cc.compiler_type, mesonbuild.compilers.CompilerType.GCC_OSX) elif is_windows(): self.assertEqual(cc.compiler_type, mesonbuild.compilers.CompilerType.GCC_MINGW) elif is_cygwin(): self.assertEqual(cc.compiler_type, mesonbuild.compilers.CompilerType.GCC_CYGWIN) else: self.assertEqual(cc.compiler_type, mesonbuild.compilers.CompilerType.GCC_STANDARD) if isinstance(cc, clang): self.assertIsInstance(linker, ar) if is_osx(): self.assertEqual(cc.compiler_type, mesonbuild.compilers.CompilerType.CLANG_OSX) elif is_windows(): # Not implemented yet self.assertEqual(cc.compiler_type, mesonbuild.compilers.CompilerType.CLANG_MINGW) else: self.assertEqual(cc.compiler_type, mesonbuild.compilers.CompilerType.CLANG_STANDARD) if isinstance(cc, intel): self.assertIsInstance(linker, ar) if is_osx(): self.assertEqual(cc.compiler_type, mesonbuild.compilers.CompilerType.ICC_OSX) elif is_windows(): self.assertEqual(cc.compiler_type, mesonbuild.compilers.CompilerType.ICC_WIN) else: self.assertEqual(cc.compiler_type, mesonbuild.compilers.CompilerType.ICC_STANDARD) if isinstance(cc, msvc): self.assertTrue(is_windows()) self.assertIsInstance(linker, lib) self.assertEqual(cc.id, 'msvc') self.assertTrue(hasattr(cc, 'is_64')) # If we're on Windows CI, we know what the compiler will be if 'arch' in os.environ: if os.environ['arch'] == 'x64': self.assertTrue(cc.is_64) else: self.assertFalse(cc.is_64) # Set evar ourselves to a wrapper script that just calls the same # exelist + some argument. This is meant to test that setting # something like `ccache gcc -pipe` or `distcc ccache gcc` works. wrapper = os.path.join(testdir, 'compiler wrapper.py') wrappercc = python_command + [wrapper] + cc.get_exelist() + ['-DSOME_ARG'] wrappercc_s = '' for w in wrappercc: wrappercc_s += shlex.quote(w) + ' ' os.environ[evar] = wrappercc_s wcc = getattr(env, 'detect_{}_compiler'.format(lang))(False) # Check static linker too wrapperlinker = python_command + [wrapper] + linker.get_exelist() + linker.get_always_args() wrapperlinker_s = '' for w in wrapperlinker: wrapperlinker_s += shlex.quote(w) + ' ' os.environ['AR'] = wrapperlinker_s wlinker = env.detect_static_linker(wcc) # Pop it so we don't use it for the next detection evalue = os.environ.pop('AR') # Must be the same type since it's a wrapper around the same exelist self.assertIs(type(cc), type(wcc)) self.assertIs(type(linker), type(wlinker)) # Ensure that the exelist is correct self.assertEqual(wcc.get_exelist(), wrappercc) self.assertEqual(wlinker.get_exelist(), wrapperlinker) # Ensure that the version detection worked correctly self.assertEqual(cc.version, wcc.version) if hasattr(cc, 'is_64'): self.assertEqual(cc.is_64, wcc.is_64) def test_always_prefer_c_compiler_for_asm(self): testdir = os.path.join(self.common_test_dir, '138 c cpp and asm') # Skip if building with MSVC env = get_fake_env(testdir, self.builddir, self.prefix) if env.detect_c_compiler(False).get_id() == 'msvc': raise unittest.SkipTest('MSVC can\'t compile assembly') self.init(testdir) commands = {'c-asm': {}, 'cpp-asm': {}, 'cpp-c-asm': {}, 'c-cpp-asm': {}} for cmd in self.get_compdb(): # Get compiler split = shlex.split(cmd['command']) if split[0] == 'ccache': compiler = split[1] else: compiler = split[0] # Classify commands if 'Ic-asm' in cmd['command']: if cmd['file'].endswith('.S'): commands['c-asm']['asm'] = compiler elif cmd['file'].endswith('.c'): commands['c-asm']['c'] = compiler else: raise AssertionError('{!r} found in cpp-asm?'.format(cmd['command'])) elif 'Icpp-asm' in cmd['command']: if cmd['file'].endswith('.S'): commands['cpp-asm']['asm'] = compiler elif cmd['file'].endswith('.cpp'): commands['cpp-asm']['cpp'] = compiler else: raise AssertionError('{!r} found in cpp-asm?'.format(cmd['command'])) elif 'Ic-cpp-asm' in cmd['command']: if cmd['file'].endswith('.S'): commands['c-cpp-asm']['asm'] = compiler elif cmd['file'].endswith('.c'): commands['c-cpp-asm']['c'] = compiler elif cmd['file'].endswith('.cpp'): commands['c-cpp-asm']['cpp'] = compiler else: raise AssertionError('{!r} found in c-cpp-asm?'.format(cmd['command'])) elif 'Icpp-c-asm' in cmd['command']: if cmd['file'].endswith('.S'): commands['cpp-c-asm']['asm'] = compiler elif cmd['file'].endswith('.c'): commands['cpp-c-asm']['c'] = compiler elif cmd['file'].endswith('.cpp'): commands['cpp-c-asm']['cpp'] = compiler else: raise AssertionError('{!r} found in cpp-c-asm?'.format(cmd['command'])) else: raise AssertionError('Unknown command {!r} found'.format(cmd['command'])) # Check that .S files are always built with the C compiler self.assertEqual(commands['c-asm']['asm'], commands['c-asm']['c']) self.assertEqual(commands['c-asm']['asm'], commands['cpp-asm']['asm']) self.assertEqual(commands['cpp-asm']['asm'], commands['c-cpp-asm']['c']) self.assertEqual(commands['c-cpp-asm']['asm'], commands['c-cpp-asm']['c']) self.assertEqual(commands['cpp-c-asm']['asm'], commands['cpp-c-asm']['c']) self.assertNotEqual(commands['cpp-asm']['asm'], commands['cpp-asm']['cpp']) self.assertNotEqual(commands['c-cpp-asm']['c'], commands['c-cpp-asm']['cpp']) self.assertNotEqual(commands['cpp-c-asm']['c'], commands['cpp-c-asm']['cpp']) # Check that the c-asm target is always linked with the C linker build_ninja = os.path.join(self.builddir, 'build.ninja') with open(build_ninja, 'r', encoding='utf-8') as f: contents = f.read() m = re.search('build c-asm.*: c_LINKER', contents) self.assertIsNotNone(m, msg=contents) def test_preprocessor_checks_CPPFLAGS(self): ''' Test that preprocessor compiler checks read CPPFLAGS but not CFLAGS ''' testdir = os.path.join(self.common_test_dir, '137 get define') define = 'MESON_TEST_DEFINE_VALUE' # NOTE: this list can't have \n, ' or " # \n is never substituted by the GNU pre-processor via a -D define # ' and " confuse shlex.split() even when they are escaped # % and # confuse the MSVC preprocessor # !, ^, *, and < confuse lcc preprocessor value = 'spaces and fun@$&()-=_+{}[]:;>?,./~`' os.environ['CPPFLAGS'] = '-D{}="{}"'.format(define, value) os.environ['CFLAGS'] = '-DMESON_FAIL_VALUE=cflags-read'.format(define) self.init(testdir, ['-D{}={}'.format(define, value)]) def test_custom_target_exe_data_deterministic(self): testdir = os.path.join(self.common_test_dir, '114 custom target capture') self.init(testdir) meson_exe_dat1 = glob(os.path.join(self.privatedir, 'meson_exe*.dat')) self.wipe() self.init(testdir) meson_exe_dat2 = glob(os.path.join(self.privatedir, 'meson_exe*.dat')) self.assertListEqual(meson_exe_dat1, meson_exe_dat2) def test_source_changes_cause_rebuild(self): ''' Test that changes to sources and headers cause rebuilds, but not changes to unused files (as determined by the dependency file) in the input files list. ''' testdir = os.path.join(self.common_test_dir, '20 header in file list') self.init(testdir) self.build() # Immediately rebuilding should not do anything self.assertBuildIsNoop() # Changing mtime of header.h should rebuild everything self.utime(os.path.join(testdir, 'header.h')) self.assertRebuiltTarget('prog') def test_custom_target_changes_cause_rebuild(self): ''' Test that in a custom target, changes to the input files, the ExternalProgram, and any File objects on the command-line cause a rebuild. ''' testdir = os.path.join(self.common_test_dir, '61 custom header generator') self.init(testdir) self.build() # Immediately rebuilding should not do anything self.assertBuildIsNoop() # Changing mtime of these should rebuild everything for f in ('input.def', 'makeheader.py', 'somefile.txt'): self.utime(os.path.join(testdir, f)) self.assertRebuiltTarget('prog') def test_static_library_lto(self): ''' Test that static libraries can be built with LTO and linked to executables. On Linux, this requires the use of gcc-ar. https://github.com/mesonbuild/meson/issues/1646 ''' testdir = os.path.join(self.common_test_dir, '5 linkstatic') env = get_fake_env(testdir, self.builddir, self.prefix) if env.detect_c_compiler(False).get_id() == 'clang' and is_windows(): raise unittest.SkipTest('LTO not (yet) supported by windows clang') self.init(testdir, extra_args='-Db_lto=true') self.build() self.run_tests() def test_dist_git(self): if not shutil.which('git'): raise unittest.SkipTest('Git not found') try: self.dist_impl(_git_init) except PermissionError: # When run under Windows CI, something (virus scanner?) # holds on to the git files so cleaning up the dir # fails sometimes. pass def test_dist_hg(self): if not shutil.which('hg'): raise unittest.SkipTest('Mercurial not found') if self.backend is not Backend.ninja: raise unittest.SkipTest('Dist is only supported with Ninja') def hg_init(project_dir): subprocess.check_call(['hg', 'init'], cwd=project_dir) with open(os.path.join(project_dir, '.hg', 'hgrc'), 'w') as f: print('[ui]', file=f) print('username=Author Person <teh_coderz@example.com>', file=f) subprocess.check_call(['hg', 'add', 'meson.build', 'distexe.c'], cwd=project_dir) subprocess.check_call(['hg', 'commit', '-m', 'I am a project'], cwd=project_dir) try: self.dist_impl(hg_init) except PermissionError: # When run under Windows CI, something (virus scanner?) # holds on to the hg files so cleaning up the dir # fails sometimes. pass def test_dist_git_script(self): if not shutil.which('git'): raise unittest.SkipTest('Git not found') try: with tempfile.TemporaryDirectory() as tmpdir: project_dir = os.path.join(tmpdir, 'a') shutil.copytree(os.path.join(self.unit_test_dir, '35 dist script'), project_dir) _git_init(project_dir) self.init(project_dir) self.build('dist') except PermissionError: # When run under Windows CI, something (virus scanner?) # holds on to the git files so cleaning up the dir # fails sometimes. pass def dist_impl(self, vcs_init): # Create this on the fly because having rogue .git directories inside # the source tree leads to all kinds of trouble. with tempfile.TemporaryDirectory() as project_dir: with open(os.path.join(project_dir, 'meson.build'), 'w') as ofile: ofile.write('''project('disttest', 'c', version : '1.4.3') e = executable('distexe', 'distexe.c') test('dist test', e) ''') with open(os.path.join(project_dir, 'distexe.c'), 'w') as ofile: ofile.write('''#include<stdio.h> int main(int argc, char **argv) { printf("I am a distribution test.\\n"); return 0; } ''') vcs_init(project_dir) self.init(project_dir) self.build('dist') distfile = os.path.join(self.distdir, 'disttest-1.4.3.tar.xz') checksumfile = distfile + '.sha256sum' self.assertPathExists(distfile) self.assertPathExists(checksumfile) def test_rpath_uses_ORIGIN(self): ''' Test that built targets use $ORIGIN in rpath, which ensures that they are relocatable and ensures that builds are reproducible since the build directory won't get embedded into the built binaries. ''' if is_windows() or is_cygwin(): raise unittest.SkipTest('Windows PE/COFF binaries do not use RPATH') testdir = os.path.join(self.common_test_dir, '43 library chain') self.init(testdir) self.build() for each in ('prog', 'subdir/liblib1.so', ): rpath = get_rpath(os.path.join(self.builddir, each)) self.assertTrue(rpath, 'Rpath could not be determined for {}.'.format(each)) if is_dragonflybsd(): # DragonflyBSD will prepend /usr/lib/gccVERSION to the rpath, # so ignore that. self.assertTrue(rpath.startswith('/usr/lib/gcc')) rpaths = rpath.split(':')[1:] else: rpaths = rpath.split(':') for path in rpaths: self.assertTrue(path.startswith('$ORIGIN'), msg=(each, path)) # These two don't link to anything else, so they do not need an rpath entry. for each in ('subdir/subdir2/liblib2.so', 'subdir/subdir3/liblib3.so'): rpath = get_rpath(os.path.join(self.builddir, each)) if is_dragonflybsd(): # The rpath should be equal to /usr/lib/gccVERSION self.assertTrue(rpath.startswith('/usr/lib/gcc')) self.assertEqual(len(rpath.split(':')), 1) else: self.assertTrue(rpath is None) def test_dash_d_dedup(self): testdir = os.path.join(self.unit_test_dir, '9 d dedup') self.init(testdir) cmd = self.get_compdb()[0]['command'] self.assertTrue('-D FOO -D BAR' in cmd or '"-D" "FOO" "-D" "BAR"' in cmd or '/D FOO /D BAR' in cmd or '"/D" "FOO" "/D" "BAR"' in cmd) def test_all_forbidden_targets_tested(self): ''' Test that all forbidden targets are tested in the '155 reserved targets' test. Needs to be a unit test because it accesses Meson internals. ''' testdir = os.path.join(self.common_test_dir, '155 reserved targets') targets = mesonbuild.coredata.forbidden_target_names # We don't actually define a target with this name targets.pop('build.ninja') # Remove this to avoid multiple entries with the same name # but different case. targets.pop('PHONY') for i in targets: self.assertPathExists(os.path.join(testdir, i)) def detect_prebuild_env(self): env = get_fake_env('', self.builddir, self.prefix) cc = env.detect_c_compiler(False) stlinker = env.detect_static_linker(cc) if mesonbuild.mesonlib.is_windows(): object_suffix = 'obj' shared_suffix = 'dll' elif mesonbuild.mesonlib.is_cygwin(): object_suffix = 'o' shared_suffix = 'dll' elif mesonbuild.mesonlib.is_osx(): object_suffix = 'o' shared_suffix = 'dylib' else: object_suffix = 'o' shared_suffix = 'so' return (cc, stlinker, object_suffix, shared_suffix) def pbcompile(self, compiler, source, objectfile, extra_args=[]): cmd = compiler.get_exelist() if compiler.get_argument_syntax() == 'msvc': cmd += ['/nologo', '/Fo' + objectfile, '/c', source] + extra_args else: cmd += ['-c', source, '-o', objectfile] + extra_args subprocess.check_call(cmd, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL) def test_prebuilt_object(self): (compiler, _, object_suffix, _) = self.detect_prebuild_env() tdir = os.path.join(self.unit_test_dir, '15 prebuilt object') source = os.path.join(tdir, 'source.c') objectfile = os.path.join(tdir, 'prebuilt.' + object_suffix) self.pbcompile(compiler, source, objectfile) try: self.init(tdir) self.build() self.run_tests() finally: os.unlink(objectfile) def build_static_lib(self, compiler, linker, source, objectfile, outfile, extra_args=None): if extra_args is None: extra_args = [] if compiler.get_argument_syntax() == 'msvc': link_cmd = ['lib', '/NOLOGO', '/OUT:' + outfile, objectfile] else: link_cmd = ['ar', 'csr', outfile, objectfile] link_cmd = linker.get_exelist() link_cmd += linker.get_always_args() link_cmd += linker.get_std_link_args() link_cmd += linker.get_output_args(outfile) link_cmd += [objectfile] self.pbcompile(compiler, source, objectfile, extra_args=extra_args) try: subprocess.check_call(link_cmd) finally: os.unlink(objectfile) def test_prebuilt_static_lib(self): (cc, stlinker, object_suffix, _) = self.detect_prebuild_env() tdir = os.path.join(self.unit_test_dir, '16 prebuilt static') source = os.path.join(tdir, 'libdir/best.c') objectfile = os.path.join(tdir, 'libdir/best.' + object_suffix) stlibfile = os.path.join(tdir, 'libdir/libbest.a') self.build_static_lib(cc, stlinker, source, objectfile, stlibfile) # Run the test try: self.init(tdir) self.build() self.run_tests() finally: os.unlink(stlibfile) def build_shared_lib(self, compiler, source, objectfile, outfile, impfile, extra_args=None): if extra_args is None: extra_args = [] if compiler.get_argument_syntax() == 'msvc': link_cmd = compiler.get_linker_exelist() + [ '/NOLOGO', '/DLL', '/DEBUG', '/IMPLIB:' + impfile, '/OUT:' + outfile, objectfile] else: if not (compiler.compiler_type.is_windows_compiler or compiler.compiler_type.is_osx_compiler): extra_args += ['-fPIC'] link_cmd = compiler.get_exelist() + ['-shared', '-o', outfile, objectfile] if not mesonbuild.mesonlib.is_osx(): link_cmd += ['-Wl,-soname=' + os.path.basename(outfile)] self.pbcompile(compiler, source, objectfile, extra_args=extra_args) try: subprocess.check_call(link_cmd) finally: os.unlink(objectfile) def test_prebuilt_shared_lib(self): (cc, _, object_suffix, shared_suffix) = self.detect_prebuild_env() tdir = os.path.join(self.unit_test_dir, '17 prebuilt shared') source = os.path.join(tdir, 'alexandria.c') objectfile = os.path.join(tdir, 'alexandria.' + object_suffix) impfile = os.path.join(tdir, 'alexandria.lib') if cc.get_argument_syntax() == 'msvc': shlibfile = os.path.join(tdir, 'alexandria.' + shared_suffix) elif is_cygwin(): shlibfile = os.path.join(tdir, 'cygalexandria.' + shared_suffix) else: shlibfile = os.path.join(tdir, 'libalexandria.' + shared_suffix) self.build_shared_lib(cc, source, objectfile, shlibfile, impfile) # Run the test try: self.init(tdir) self.build() self.run_tests() finally: os.unlink(shlibfile) if mesonbuild.mesonlib.is_windows(): # Clean up all the garbage MSVC writes in the # source tree. for fname in glob(os.path.join(tdir, 'alexandria.*')): if os.path.splitext(fname)[1] not in ['.c', '.h']: os.unlink(fname) @skipIfNoPkgconfig def test_pkgconfig_static(self): ''' Test that the we prefer static libraries when `static: true` is passed to dependency() with pkg-config. Can't be an ordinary test because we need to build libs and try to find them from meson.build Also test that it's not a hard error to have unsatisfiable library deps since system libraries -lm will never be found statically. https://github.com/mesonbuild/meson/issues/2785 ''' (cc, stlinker, objext, shext) = self.detect_prebuild_env() testdir = os.path.join(self.unit_test_dir, '18 pkgconfig static') source = os.path.join(testdir, 'foo.c') objectfile = os.path.join(testdir, 'foo.' + objext) stlibfile = os.path.join(testdir, 'libfoo.a') impfile = os.path.join(testdir, 'foo.lib') if cc.get_argument_syntax() == 'msvc': shlibfile = os.path.join(testdir, 'foo.' + shext) elif is_cygwin(): shlibfile = os.path.join(testdir, 'cygfoo.' + shext) else: shlibfile = os.path.join(testdir, 'libfoo.' + shext) # Build libs self.build_static_lib(cc, stlinker, source, objectfile, stlibfile, extra_args=['-DFOO_STATIC']) self.build_shared_lib(cc, source, objectfile, shlibfile, impfile) # Run test os.environ['PKG_CONFIG_LIBDIR'] = self.builddir try: self.init(testdir) self.build() self.run_tests() finally: os.unlink(stlibfile) os.unlink(shlibfile) if mesonbuild.mesonlib.is_windows(): # Clean up all the garbage MSVC writes in the # source tree. for fname in glob(os.path.join(testdir, 'foo.*')): if os.path.splitext(fname)[1] not in ['.c', '.h', '.in']: os.unlink(fname) @skipIfNoPkgconfig def test_pkgconfig_gen_escaping(self): testdir = os.path.join(self.common_test_dir, '48 pkgconfig-gen') prefix = '/usr/with spaces' libdir = 'lib' self.init(testdir, extra_args=['--prefix=' + prefix, '--libdir=' + libdir]) # Find foo dependency os.environ['PKG_CONFIG_LIBDIR'] = self.privatedir env = get_fake_env(testdir, self.builddir, self.prefix) kwargs = {'required': True, 'silent': True} foo_dep = PkgConfigDependency('libfoo', env, kwargs) # Ensure link_args are properly quoted libdir = PurePath(prefix) / PurePath(libdir) link_args = ['-L' + libdir.as_posix(), '-lfoo'] self.assertEqual(foo_dep.get_link_args(), link_args) # Ensure include args are properly quoted incdir = PurePath(prefix) / PurePath('include') cargs = ['-I' + incdir.as_posix()] self.assertEqual(foo_dep.get_compile_args(), cargs) def test_array_option_change(self): def get_opt(): opts = self.introspect('--buildoptions') for x in opts: if x.get('name') == 'list': return x raise Exception(opts) expected = { 'name': 'list', 'description': 'list', 'section': 'user', 'type': 'array', 'value': ['foo', 'bar'], } tdir = os.path.join(self.unit_test_dir, '19 array option') self.init(tdir) original = get_opt() self.assertDictEqual(original, expected) expected['value'] = ['oink', 'boink'] self.setconf('-Dlist=oink,boink') changed = get_opt() self.assertEqual(changed, expected) def test_array_option_bad_change(self): def get_opt(): opts = self.introspect('--buildoptions') for x in opts: if x.get('name') == 'list': return x raise Exception(opts) expected = { 'name': 'list', 'description': 'list', 'section': 'user', 'type': 'array', 'value': ['foo', 'bar'], } tdir = os.path.join(self.unit_test_dir, '19 array option') self.init(tdir) original = get_opt() self.assertDictEqual(original, expected) with self.assertRaises(subprocess.CalledProcessError): self.setconf('-Dlist=bad') changed = get_opt() self.assertDictEqual(changed, expected) def test_array_option_empty_equivalents(self): """Array options treat -Dopt=[] and -Dopt= as equivalent.""" def get_opt(): opts = self.introspect('--buildoptions') for x in opts: if x.get('name') == 'list': return x raise Exception(opts) expected = { 'name': 'list', 'description': 'list', 'section': 'user', 'type': 'array', 'value': [], } tdir = os.path.join(self.unit_test_dir, '19 array option') self.init(tdir, extra_args='-Dlist=') original = get_opt() self.assertDictEqual(original, expected) def opt_has(self, name, value): res = self.introspect('--buildoptions') found = False for i in res: if i['name'] == name: self.assertEqual(i['value'], value) found = True break self.assertTrue(found, "Array option not found in introspect data.") def test_free_stringarray_setting(self): testdir = os.path.join(self.common_test_dir, '44 options') self.init(testdir) self.opt_has('free_array_opt', []) self.setconf('-Dfree_array_opt=foo,bar', will_build=False) self.opt_has('free_array_opt', ['foo', 'bar']) self.setconf("-Dfree_array_opt=['a,b', 'c,d']", will_build=False) self.opt_has('free_array_opt', ['a,b', 'c,d']) def test_subproject_promotion(self): testdir = os.path.join(self.unit_test_dir, '12 promote') workdir = os.path.join(self.builddir, 'work') shutil.copytree(testdir, workdir) spdir = os.path.join(workdir, 'subprojects') s3dir = os.path.join(spdir, 's3') scommondir = os.path.join(spdir, 'scommon') self.assertFalse(os.path.isdir(s3dir)) subprocess.check_call(self.wrap_command + ['promote', 's3'], cwd=workdir) self.assertTrue(os.path.isdir(s3dir)) self.assertFalse(os.path.isdir(scommondir)) self.assertNotEqual(subprocess.call(self.wrap_command + ['promote', 'scommon'], cwd=workdir, stdout=subprocess.DEVNULL), 0) self.assertNotEqual(subprocess.call(self.wrap_command + ['promote', 'invalid/path/to/scommon'], cwd=workdir, stderr=subprocess.DEVNULL), 0) self.assertFalse(os.path.isdir(scommondir)) subprocess.check_call(self.wrap_command + ['promote', 'subprojects/s2/subprojects/scommon'], cwd=workdir) self.assertTrue(os.path.isdir(scommondir)) promoted_wrap = os.path.join(spdir, 'athing.wrap') self.assertFalse(os.path.isfile(promoted_wrap)) subprocess.check_call(self.wrap_command + ['promote', 'athing'], cwd=workdir) self.assertTrue(os.path.isfile(promoted_wrap)) self.init(workdir) self.build() def test_subproject_promotion_wrap(self): testdir = os.path.join(self.unit_test_dir, '44 promote wrap') workdir = os.path.join(self.builddir, 'work') shutil.copytree(testdir, workdir) spdir = os.path.join(workdir, 'subprojects') ambiguous_wrap = os.path.join(spdir, 'ambiguous.wrap') self.assertNotEqual(subprocess.call(self.wrap_command + ['promote', 'ambiguous'], cwd=workdir, stdout=subprocess.DEVNULL), 0) self.assertFalse(os.path.isfile(ambiguous_wrap)) subprocess.check_call(self.wrap_command + ['promote', 'subprojects/s2/subprojects/ambiguous.wrap'], cwd=workdir) self.assertTrue(os.path.isfile(ambiguous_wrap)) def test_warning_location(self): tdir = os.path.join(self.unit_test_dir, '22 warning location') out = self.init(tdir) for expected in [ r'meson.build:4: WARNING: Keyword argument "link_with" defined multiple times.', r'sub' + os.path.sep + r'meson.build:3: WARNING: Keyword argument "link_with" defined multiple times.', r'meson.build:6: WARNING: a warning of some sort', r'sub' + os.path.sep + r'meson.build:4: WARNING: subdir warning', r'meson.build:7: WARNING: Module unstable-simd has no backwards or forwards compatibility and might not exist in future releases.', r"meson.build:11: WARNING: The variable(s) 'MISSING' in the input file 'conf.in' are not present in the given configuration data.", r'meson.build:1: WARNING: Passed invalid keyword argument "invalid".', ]: self.assertRegex(out, re.escape(expected)) def test_permitted_method_kwargs(self): tdir = os.path.join(self.unit_test_dir, '25 non-permitted kwargs') out = self.init(tdir) for expected in [ r'WARNING: Passed invalid keyword argument "prefixxx".', r'WARNING: Passed invalid keyword argument "argsxx".', r'WARNING: Passed invalid keyword argument "invalidxx".', ]: self.assertRegex(out, re.escape(expected)) def test_templates(self): ninja = detect_ninja() if ninja is None: raise unittest.SkipTest('This test currently requires ninja. Fix this once "meson build" works.') for lang in ('c', 'cpp'): for type in ('executable', 'library'): with tempfile.TemporaryDirectory() as tmpdir: self._run(self.meson_command + ['init', '--language', lang, '--type', type], workdir=tmpdir) self._run(self.setup_command + ['--backend=ninja', 'builddir'], workdir=tmpdir) self._run(ninja, workdir=os.path.join(tmpdir, 'builddir')) with tempfile.TemporaryDirectory() as tmpdir: with open(os.path.join(tmpdir, 'foo.' + lang), 'w') as f: f.write('int main() {}') self._run(self.meson_command + ['init', '-b'], workdir=tmpdir) # The test uses mocking and thus requires that # the current process is the one to run the Meson steps. # If we are using an external test executable (most commonly # in Debian autopkgtests) then the mocking won't work. @unittest.skipIf('MESON_EXE' in os.environ, 'MESON_EXE is defined, can not use mocking.') def test_cross_file_system_paths(self): if is_windows(): raise unittest.SkipTest('system crossfile paths not defined for Windows (yet)') testdir = os.path.join(self.common_test_dir, '1 trivial') cross_content = textwrap.dedent("""\ [binaries] c = '/usr/bin/cc' ar = '/usr/bin/ar' strip = '/usr/bin/ar' [properties] [host_machine] system = 'linux' cpu_family = 'x86' cpu = 'i686' endian = 'little' """) with tempfile.TemporaryDirectory() as d: dir_ = os.path.join(d, 'meson', 'cross') os.makedirs(dir_) with tempfile.NamedTemporaryFile('w', dir=dir_, delete=False) as f: f.write(cross_content) name = os.path.basename(f.name) with mock.patch.dict(os.environ, {'XDG_DATA_HOME': d}): self.init(testdir, ['--cross-file=' + name], inprocess=True) self.wipe() with mock.patch.dict(os.environ, {'XDG_DATA_DIRS': d}): os.environ.pop('XDG_DATA_HOME', None) self.init(testdir, ['--cross-file=' + name], inprocess=True) self.wipe() with tempfile.TemporaryDirectory() as d: dir_ = os.path.join(d, '.local', 'share', 'meson', 'cross') os.makedirs(dir_) with tempfile.NamedTemporaryFile('w', dir=dir_, delete=False) as f: f.write(cross_content) name = os.path.basename(f.name) with mock.patch('mesonbuild.coredata.os.path.expanduser', lambda x: x.replace('~', d)): self.init(testdir, ['--cross-file=' + name], inprocess=True) self.wipe() def test_introspect_target_files(self): ''' Tests that mesonintrospect --target-files returns expected output. ''' testdir = os.path.join(self.common_test_dir, '8 install') self.init(testdir) expected = { 'stat@sta': ['stat.c'], 'prog@exe': ['prog.c'], } t_intro = self.introspect('--targets') self.assertCountEqual([t['id'] for t in t_intro], expected) for t in t_intro: id = t['id'] tf_intro = self.introspect(['--target-files', id]) self.assertEqual(tf_intro, expected[id]) self.wipe() testdir = os.path.join(self.common_test_dir, '53 custom target') self.init(testdir) expected = { 'bindat@cus': ['data_source.txt'], 'depfile@cus': [], } t_intro = self.introspect('--targets') self.assertCountEqual([t['id'] for t in t_intro], expected) for t in t_intro: id = t['id'] tf_intro = self.introspect(['--target-files', id]) self.assertEqual(tf_intro, expected[id]) self.wipe() def test_compiler_run_command(self): ''' The test checks that the compiler object can be passed to run_command(). ''' testdir = os.path.join(self.unit_test_dir, '24 compiler run_command') self.init(testdir) def test_identical_target_name_in_subproject_flat_layout(self): ''' Test that identical targets in different subprojects do not collide if layout is flat. ''' testdir = os.path.join(self.common_test_dir, '178 identical target name in subproject flat layout') self.init(testdir, extra_args=['--layout=flat']) self.build() def test_identical_target_name_in_subdir_flat_layout(self): ''' Test that identical targets in different subdirs do not collide if layout is flat. ''' testdir = os.path.join(self.common_test_dir, '187 same target name flat layout') self.init(testdir, extra_args=['--layout=flat']) self.build() def test_flock(self): exception_raised = False with tempfile.TemporaryDirectory() as tdir: os.mkdir(os.path.join(tdir, 'meson-private')) with BuildDirLock(tdir): try: with BuildDirLock(tdir): pass except MesonException: exception_raised = True self.assertTrue(exception_raised, 'Double locking did not raise exception.') @unittest.skipIf(is_osx(), 'Test not applicable to OSX') def test_check_module_linking(self): """ Test that link_with: a shared module issues a warning https://github.com/mesonbuild/meson/issues/2865 (That an error is raised on OSX is exercised by test failing/78) """ tdir = os.path.join(self.unit_test_dir, '30 shared_mod linking') out = self.init(tdir) msg = ('''WARNING: target links against shared modules. This is not recommended as it is not supported on some platforms''') self.assertIn(msg, out) def test_ndebug_if_release_disabled(self): testdir = os.path.join(self.unit_test_dir, '28 ndebug if-release') self.init(testdir, extra_args=['--buildtype=release', '-Db_ndebug=if-release']) self.build() exe = os.path.join(self.builddir, 'main') self.assertEqual(b'NDEBUG=1', subprocess.check_output(exe).strip()) def test_ndebug_if_release_enabled(self): testdir = os.path.join(self.unit_test_dir, '28 ndebug if-release') self.init(testdir, extra_args=['--buildtype=debugoptimized', '-Db_ndebug=if-release']) self.build() exe = os.path.join(self.builddir, 'main') self.assertEqual(b'NDEBUG=0', subprocess.check_output(exe).strip()) def test_guessed_linker_dependencies(self): ''' Test that meson adds dependencies for libraries based on the final linker command line. ''' # build library testdirbase = os.path.join(self.unit_test_dir, '29 guessed linker dependencies') testdirlib = os.path.join(testdirbase, 'lib') extra_args = None env = get_fake_env(testdirlib, self.builddir, self.prefix) if env.detect_c_compiler(False).get_id() not in ['msvc', 'clang-cl']: # static libraries are not linkable with -l with msvc because meson installs them # as .a files which unix_args_to_native will not know as it expects libraries to use # .lib as extension. For a DLL the import library is installed as .lib. Thus for msvc # this tests needs to use shared libraries to test the path resolving logic in the # dependency generation code path. extra_args = ['--default-library', 'static'] self.init(testdirlib, extra_args=extra_args) self.build() self.install() libbuilddir = self.builddir installdir = self.installdir libdir = os.path.join(self.installdir, self.prefix.lstrip('/').lstrip('\\'), 'lib') # build user of library self.new_builddir() # replace is needed because meson mangles platform pathes passed via LDFLAGS os.environ["LDFLAGS"] = '-L{}'.format(libdir.replace('\\', '/')) self.init(os.path.join(testdirbase, 'exe')) del os.environ["LDFLAGS"] self.build() self.assertBuildIsNoop() # rebuild library exebuilddir = self.builddir self.installdir = installdir self.builddir = libbuilddir # Microsoft's compiler is quite smart about touching import libs on changes, # so ensure that there is actually a change in symbols. self.setconf('-Dmore_exports=true') self.build() self.install() # no ensure_backend_detects_changes needed because self.setconf did that already # assert user of library will be rebuild self.builddir = exebuilddir self.assertRebuiltTarget('app') def test_conflicting_d_dash_option(self): testdir = os.path.join(self.unit_test_dir, '37 mixed command line args') with self.assertRaises(subprocess.CalledProcessError) as e: self.init(testdir, extra_args=['-Dbindir=foo', '--bindir=bar']) # Just to ensure that we caught the correct error self.assertIn('passed as both', e.stderr) def _test_same_option_twice(self, arg, args): testdir = os.path.join(self.unit_test_dir, '37 mixed command line args') self.init(testdir, extra_args=args) opts = self.introspect('--buildoptions') for item in opts: if item['name'] == arg: self.assertEqual(item['value'], 'bar') return raise Exception('Missing {} value?'.format(arg)) def test_same_dash_option_twice(self): self._test_same_option_twice('bindir', ['--bindir=foo', '--bindir=bar']) def test_same_d_option_twice(self): self._test_same_option_twice('bindir', ['-Dbindir=foo', '-Dbindir=bar']) def test_same_project_d_option_twice(self): self._test_same_option_twice('one', ['-Done=foo', '-Done=bar']) def _test_same_option_twice_configure(self, arg, args): testdir = os.path.join(self.unit_test_dir, '37 mixed command line args') self.init(testdir) self.setconf(args) opts = self.introspect('--buildoptions') for item in opts: if item['name'] == arg: self.assertEqual(item['value'], 'bar') return raise Exception('Missing {} value?'.format(arg)) def test_same_dash_option_twice_configure(self): self._test_same_option_twice_configure( 'bindir', ['--bindir=foo', '--bindir=bar']) def test_same_d_option_twice_configure(self): self._test_same_option_twice_configure( 'bindir', ['-Dbindir=foo', '-Dbindir=bar']) def test_same_project_d_option_twice_configure(self): self._test_same_option_twice_configure( 'one', ['-Done=foo', '-Done=bar']) def test_command_line(self): testdir = os.path.join(self.unit_test_dir, '34 command line') # Verify default values when passing no args self.init(testdir) obj = mesonbuild.coredata.load(self.builddir) self.assertEqual(obj.builtins['default_library'].value, 'static') self.assertEqual(obj.builtins['warning_level'].value, '1') self.assertEqual(obj.user_options['set_sub_opt'].value, True) self.assertEqual(obj.user_options['subp:subp_opt'].value, 'default3') self.wipe() # warning_level is special, it's --warnlevel instead of --warning-level # for historical reasons self.init(testdir, extra_args=['--warnlevel=2']) obj = mesonbuild.coredata.load(self.builddir) self.assertEqual(obj.builtins['warning_level'].value, '2') self.setconf('--warnlevel=3') obj = mesonbuild.coredata.load(self.builddir) self.assertEqual(obj.builtins['warning_level'].value, '3') self.wipe() # But when using -D syntax, it should be 'warning_level' self.init(testdir, extra_args=['-Dwarning_level=2']) obj = mesonbuild.coredata.load(self.builddir) self.assertEqual(obj.builtins['warning_level'].value, '2') self.setconf('-Dwarning_level=3') obj = mesonbuild.coredata.load(self.builddir) self.assertEqual(obj.builtins['warning_level'].value, '3') self.wipe() # Mixing --option and -Doption is forbidden with self.assertRaises(subprocess.CalledProcessError) as cm: self.init(testdir, extra_args=['--warnlevel=1', '-Dwarning_level=3']) self.assertNotEqual(0, cm.exception.returncode) self.assertIn('as both', cm.exception.output) self.init(testdir) with self.assertRaises(subprocess.CalledProcessError) as cm: self.setconf(['--warnlevel=1', '-Dwarning_level=3']) self.assertNotEqual(0, cm.exception.returncode) self.assertIn('as both', cm.exception.output) self.wipe() # --default-library should override default value from project() self.init(testdir, extra_args=['--default-library=both']) obj = mesonbuild.coredata.load(self.builddir) self.assertEqual(obj.builtins['default_library'].value, 'both') self.setconf('--default-library=shared') obj = mesonbuild.coredata.load(self.builddir) self.assertEqual(obj.builtins['default_library'].value, 'shared') if self.backend is Backend.ninja: # reconfigure target works only with ninja backend self.build('reconfigure') obj = mesonbuild.coredata.load(self.builddir) self.assertEqual(obj.builtins['default_library'].value, 'shared') self.wipe() # Should warn on unknown options out = self.init(testdir, extra_args=['-Dbad=1', '-Dfoo=2', '-Dwrong_link_args=foo']) self.assertIn('Unknown options: "bad, foo, wrong_link_args"', out) self.wipe() # Should fail on malformed option with self.assertRaises(subprocess.CalledProcessError) as cm: self.init(testdir, extra_args=['-Dfoo']) self.assertNotEqual(0, cm.exception.returncode) self.assertIn('Option \'foo\' must have a value separated by equals sign.', cm.exception.output) self.init(testdir) with self.assertRaises(subprocess.CalledProcessError) as cm: self.setconf('-Dfoo') self.assertNotEqual(0, cm.exception.returncode) self.assertIn('Option \'foo\' must have a value separated by equals sign.', cm.exception.output) self.wipe() # It is not an error to set wrong option for unknown subprojects or # language because we don't have control on which one will be selected. self.init(testdir, extra_args=['-Dc_wrong=1', '-Dwrong:bad=1', '-Db_wrong=1']) self.wipe() # Test we can set subproject option self.init(testdir, extra_args=['-Dsubp:subp_opt=foo']) obj = mesonbuild.coredata.load(self.builddir) self.assertEqual(obj.user_options['subp:subp_opt'].value, 'foo') self.wipe() # c_args value should be parsed with shlex self.init(testdir, extra_args=['-Dc_args=foo bar "one two"']) obj = mesonbuild.coredata.load(self.builddir) self.assertEqual(obj.compiler_options['c_args'].value, ['foo', 'bar', 'one two']) self.setconf('-Dc_args="foo bar" one two') obj = mesonbuild.coredata.load(self.builddir) self.assertEqual(obj.compiler_options['c_args'].value, ['foo bar', 'one', 'two']) self.wipe() # Setting a 2nd time the same option should override the first value try: self.init(testdir, extra_args=['--bindir=foo', '--bindir=bar', '-Dbuildtype=plain', '-Dbuildtype=release', '-Db_sanitize=address', '-Db_sanitize=thread', '-Dc_args=foo', '-Dc_args=bar']) obj = mesonbuild.coredata.load(self.builddir) self.assertEqual(obj.builtins['bindir'].value, 'bar') self.assertEqual(obj.builtins['buildtype'].value, 'release') self.assertEqual(obj.base_options['b_sanitize'].value, 'thread') self.assertEqual(obj.compiler_options['c_args'].value, ['bar']) self.setconf(['--bindir=bar', '--bindir=foo', '-Dbuildtype=release', '-Dbuildtype=plain', '-Db_sanitize=thread', '-Db_sanitize=address', '-Dc_args=bar', '-Dc_args=foo']) obj = mesonbuild.coredata.load(self.builddir) self.assertEqual(obj.builtins['bindir'].value, 'foo') self.assertEqual(obj.builtins['buildtype'].value, 'plain') self.assertEqual(obj.base_options['b_sanitize'].value, 'address') self.assertEqual(obj.compiler_options['c_args'].value, ['foo']) self.wipe() except KeyError: # Ignore KeyError, it happens on CI for compilers that does not # support b_sanitize. We have to test with a base option because # they used to fail this test with Meson 0.46 an earlier versions. pass def test_feature_check_usage_subprojects(self): testdir = os.path.join(self.unit_test_dir, '41 featurenew subprojects') out = self.init(testdir) # Parent project warns correctly self.assertRegex(out, "WARNING: Project targetting '>=0.45'.*'0.47.0': dict") # Subprojects warn correctly self.assertRegex(out, r"\|WARNING: Project targetting '>=0.40'.*'0.44.0': disabler") self.assertRegex(out, r"\|WARNING: Project targetting '!=0.40'.*'0.44.0': disabler") # Subproject has a new-enough meson_version, no warning self.assertNotRegex(out, "WARNING: Project targetting.*Python") # Ensure a summary is printed in the subproject and the outer project self.assertRegex(out, r"\|WARNING: Project specifies a minimum meson_version '>=0.40'") self.assertRegex(out, r"\| \* 0.44.0: {'disabler'}") self.assertRegex(out, "WARNING: Project specifies a minimum meson_version '>=0.45'") self.assertRegex(out, " * 0.47.0: {'dict'}") def test_configure_file_warnings(self): testdir = os.path.join(self.common_test_dir, "14 configure file") out = self.init(testdir) self.assertRegex(out, "WARNING:.*'empty'.*config.h.in.*not present.*") self.assertRegex(out, "WARNING:.*'FOO_BAR'.*nosubst-nocopy2.txt.in.*not present.*") self.assertRegex(out, "WARNING:.*'empty'.*config.h.in.*not present.*") self.assertRegex(out, "WARNING:.*empty configuration_data.*test.py.in") # Warnings for configuration files that are overwritten. self.assertRegex(out, "WARNING:.*\"double_output.txt\".*overwrites") self.assertRegex(out, "WARNING:.*\"subdir.double_output2.txt\".*overwrites") self.assertNotRegex(out, "WARNING:.*no_write_conflict.txt.*overwrites") self.assertNotRegex(out, "WARNING:.*@BASENAME@.*overwrites") self.assertRegex(out, "WARNING:.*\"sameafterbasename\".*overwrites") # No warnings about empty configuration data objects passed to files with substitutions self.assertNotRegex(out, "WARNING:.*empty configuration_data.*nosubst-nocopy1.txt.in") self.assertNotRegex(out, "WARNING:.*empty configuration_data.*nosubst-nocopy2.txt.in") with open(os.path.join(self.builddir, 'nosubst-nocopy1.txt'), 'rb') as f: self.assertEqual(f.read().strip(), b'/* #undef FOO_BAR */') with open(os.path.join(self.builddir, 'nosubst-nocopy2.txt'), 'rb') as f: self.assertEqual(f.read().strip(), b'') self.assertRegex(out, r"DEPRECATION:.*\['array'\] is invalid.*dict") def test_dirs(self): with tempfile.TemporaryDirectory() as containing: with tempfile.TemporaryDirectory(dir=containing) as srcdir: mfile = os.path.join(srcdir, 'meson.build') of = open(mfile, 'w') of.write("project('foobar', 'c')\n") of.close() pc = subprocess.run(self.setup_command, cwd=srcdir, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL) self.assertIn(b'Must specify at least one directory name', pc.stdout) with tempfile.TemporaryDirectory(dir=srcdir) as builddir: subprocess.run(self.setup_command, check=True, cwd=builddir, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL) def get_opts_as_dict(self): result = {} for i in self.introspect('--buildoptions'): result[i['name']] = i['value'] return result def test_buildtype_setting(self): testdir = os.path.join(self.common_test_dir, '1 trivial') self.init(testdir) opts = self.get_opts_as_dict() self.assertEqual(opts['buildtype'], 'debug') self.assertEqual(opts['debug'], True) self.setconf('-Ddebug=false') opts = self.get_opts_as_dict() self.assertEqual(opts['debug'], False) self.assertEqual(opts['buildtype'], 'plain') self.assertEqual(opts['optimization'], '0') # Setting optimizations to 3 should cause buildtype # to go to release mode. self.setconf('-Doptimization=3') opts = self.get_opts_as_dict() self.assertEqual(opts['buildtype'], 'release') self.assertEqual(opts['debug'], False) self.assertEqual(opts['optimization'], '3') # Going to debug build type should reset debugging # and optimization self.setconf('-Dbuildtype=debug') opts = self.get_opts_as_dict() self.assertEqual(opts['buildtype'], 'debug') self.assertEqual(opts['debug'], True) self.assertEqual(opts['optimization'], '0') @skipIfNoPkgconfig @unittest.skipIf(is_windows(), 'Help needed with fixing this test on windows') def test_native_dep_pkgconfig(self): testdir = os.path.join(self.unit_test_dir, '46 native dep pkgconfig var') with tempfile.NamedTemporaryFile(mode='w', delete=False) as crossfile: crossfile.write(textwrap.dedent( '''[binaries] pkgconfig = r'{0}' [properties] [host_machine] system = 'linux' cpu_family = 'arm' cpu = 'armv7' endian = 'little' '''.format(os.path.join(testdir, 'cross_pkgconfig.py')))) crossfile.flush() self.meson_cross_file = crossfile.name os.environ['PKG_CONFIG_LIBDIR'] = os.path.join(testdir, 'native_pkgconfig') self.init(testdir, extra_args=['-Dstart_native=false']) self.wipe() self.init(testdir, extra_args=['-Dstart_native=true']) def __reconfigure(self): # Set an older version to force a reconfigure from scratch filename = os.path.join(self.privatedir, 'coredata.dat') with open(filename, 'rb') as f: obj = pickle.load(f) obj.version = '0.47.0' with open(filename, 'wb') as f: pickle.dump(obj, f) def test_reconfigure(self): testdir = os.path.join(self.unit_test_dir, '46 reconfigure') self.init(testdir, extra_args=['-Dopt1=val1']) self.setconf('-Dopt2=val2') self.__reconfigure() out = self.init(testdir, extra_args=['--reconfigure', '-Dopt3=val3']) self.assertRegex(out, 'WARNING:.*Regenerating configuration from scratch') self.assertRegex(out, 'opt1 val1') self.assertRegex(out, 'opt2 val2') self.assertRegex(out, 'opt3 val3') self.assertRegex(out, 'opt4 default4') self.build() self.run_tests() # Create a file in builddir and verify wipe command removes it filename = os.path.join(self.builddir, 'something') open(filename, 'w').close() self.assertTrue(os.path.exists(filename)) out = self.init(testdir, extra_args=['--wipe', '-Dopt4=val4']) self.assertFalse(os.path.exists(filename)) self.assertRegex(out, 'opt1 val1') self.assertRegex(out, 'opt2 val2') self.assertRegex(out, 'opt3 val3') self.assertRegex(out, 'opt4 val4') self.build() self.run_tests() def test_wipe_from_builddir(self): testdir = os.path.join(self.common_test_dir, '162 custom target subdir depend files') self.init(testdir) self.__reconfigure() with Path(self.builddir): self.init(testdir, extra_args=['--wipe']) def test_target_construct_id_from_path(self): # This id is stable but not guessable. # The test is supposed to prevent unintentional # changes of target ID generation. target_id = Target.construct_id_from_path('some/obscure/subdir', 'target-id', '@suffix') self.assertEqual('5e002d3@@target-id@suffix', target_id) target_id = Target.construct_id_from_path('subproject/foo/subdir/bar', 'target2-id', '@other') self.assertEqual('81d46d1@@target2-id@other', target_id) def test_introspect_projectinfo_without_configured_build(self): testfile = os.path.join(self.common_test_dir, '36 run program', 'meson.build') res = self.introspect_directory(testfile, '--projectinfo') self.assertEqual(set(res['buildsystem_files']), set(['meson.build'])) self.assertEqual(res['version'], None) self.assertEqual(res['descriptive_name'], 'run command') self.assertEqual(res['subprojects'], []) testfile = os.path.join(self.common_test_dir, '44 options', 'meson.build') res = self.introspect_directory(testfile, '--projectinfo') self.assertEqual(set(res['buildsystem_files']), set(['meson_options.txt', 'meson.build'])) self.assertEqual(res['version'], None) self.assertEqual(res['descriptive_name'], 'options') self.assertEqual(res['subprojects'], []) testfile = os.path.join(self.common_test_dir, '47 subproject options', 'meson.build') res = self.introspect_directory(testfile, '--projectinfo') self.assertEqual(set(res['buildsystem_files']), set(['meson_options.txt', 'meson.build'])) self.assertEqual(res['version'], None) self.assertEqual(res['descriptive_name'], 'suboptions') self.assertEqual(len(res['subprojects']), 1) subproject_files = set(f.replace('\\', '/') for f in res['subprojects'][0]['buildsystem_files']) self.assertEqual(subproject_files, set(['subprojects/subproject/meson_options.txt', 'subprojects/subproject/meson.build'])) self.assertEqual(res['subprojects'][0]['name'], 'subproject') self.assertEqual(res['subprojects'][0]['version'], 'undefined') self.assertEqual(res['subprojects'][0]['descriptive_name'], 'subproject') def test_introspect_projectinfo_subprojects(self): testdir = os.path.join(self.common_test_dir, '103 subproject subdir') self.init(testdir) res = self.introspect('--projectinfo') expected = { 'descriptive_name': 'proj', 'version': 'undefined', 'subprojects': [ { 'descriptive_name': 'sub', 'name': 'sub', 'version': 'undefined' } ] } self.assertDictEqual(res, expected) @skipIfNoExecutable('clang-format') def test_clang_format(self): if self.backend is not Backend.ninja: raise unittest.SkipTest('Clang-format is for now only supported on Ninja, not {}'.format(self.backend.name)) testdir = os.path.join(self.unit_test_dir, '51 clang-format') testfile = os.path.join(testdir, 'prog.c') badfile = os.path.join(testdir, 'prog_orig_c') goodfile = os.path.join(testdir, 'prog_expected_c') try: self.run_clangformat(testdir, testfile, badfile, goodfile) finally: if os.path.exists(testfile): os.unlink(testfile) def run_clangformat(self, testdir, testfile, badfile, goodfile): shutil.copyfile(badfile, testfile) self.init(testdir) self.assertNotEqual(Path(testfile).read_text(), Path(goodfile).read_text()) self.run_target('clang-format') self.assertEqual(Path(testfile).read_text(), Path(goodfile).read_text()) def test_introspect_buildoptions_without_configured_build(self): testdir = os.path.join(self.unit_test_dir, '51 introspect buildoptions') testfile = os.path.join(testdir, 'meson.build') res_nb = self.introspect_directory(testfile, ['--buildoptions'] + self.meson_args) self.init(testdir, default_args=False) res_wb = self.introspect('--buildoptions') self.maxDiff = None self.assertListEqual(res_nb, res_wb) class FailureTests(BasePlatformTests): ''' Tests that test failure conditions. Build files here should be dynamically generated and static tests should go into `test cases/failing*`. This is useful because there can be many ways in which a particular function can fail, and creating failing tests for all of them is tedious and slows down testing. ''' dnf = "[Dd]ependency.*not found(:.*)?" nopkg = '[Pp]kg-config not found' def setUp(self): super().setUp() self.srcdir = os.path.realpath(tempfile.mkdtemp()) self.mbuild = os.path.join(self.srcdir, 'meson.build') def tearDown(self): super().tearDown() windows_proof_rmtree(self.srcdir) def assertMesonRaises(self, contents, match, extra_args=None, langs=None, meson_version=None): ''' Assert that running meson configure on the specified @contents raises a error message matching regex @match. ''' if langs is None: langs = [] with open(self.mbuild, 'w') as f: f.write("project('failure test', 'c', 'cpp'") if meson_version: f.write(", meson_version: '{}'".format(meson_version)) f.write(")\n") for lang in langs: f.write("add_languages('{}', required : false)\n".format(lang)) f.write(contents) # Force tracebacks so we can detect them properly os.environ['MESON_FORCE_BACKTRACE'] = '1' with self.assertRaisesRegex(MesonException, match, msg=contents): # Must run in-process or we'll get a generic CalledProcessError self.init(self.srcdir, extra_args=extra_args, inprocess=True) def obtainMesonOutput(self, contents, match, extra_args, langs, meson_version=None): if langs is None: langs = [] with open(self.mbuild, 'w') as f: f.write("project('output test', 'c', 'cpp'") if meson_version: f.write(", meson_version: '{}'".format(meson_version)) f.write(")\n") for lang in langs: f.write("add_languages('{}', required : false)\n".format(lang)) f.write(contents) # Run in-process for speed and consistency with assertMesonRaises return self.init(self.srcdir, extra_args=extra_args, inprocess=True) def assertMesonOutputs(self, contents, match, extra_args=None, langs=None, meson_version=None): ''' Assert that running meson configure on the specified @contents outputs something that matches regex @match. ''' out = self.obtainMesonOutput(contents, match, extra_args, langs, meson_version) self.assertRegex(out, match) def assertMesonDoesNotOutput(self, contents, match, extra_args=None, langs=None, meson_version=None): ''' Assert that running meson configure on the specified @contents does not output something that matches regex @match. ''' out = self.obtainMesonOutput(contents, match, extra_args, langs, meson_version) self.assertNotRegex(out, match) @skipIfNoPkgconfig def test_dependency(self): if subprocess.call(['pkg-config', '--exists', 'zlib']) != 0: raise unittest.SkipTest('zlib not found with pkg-config') a = (("dependency('zlib', method : 'fail')", "'fail' is invalid"), ("dependency('zlib', static : '1')", "[Ss]tatic.*boolean"), ("dependency('zlib', version : 1)", "[Vv]ersion.*string or list"), ("dependency('zlib', required : 1)", "[Rr]equired.*boolean"), ("dependency('zlib', method : 1)", "[Mm]ethod.*string"), ("dependency('zlibfail')", self.dnf),) for contents, match in a: self.assertMesonRaises(contents, match) def test_apple_frameworks_dependency(self): if not is_osx(): raise unittest.SkipTest('only run on macOS') self.assertMesonRaises("dependency('appleframeworks')", "requires at least one module") def test_sdl2_notfound_dependency(self): # Want to test failure, so skip if available if shutil.which('sdl2-config'): raise unittest.SkipTest('sdl2-config found') self.assertMesonRaises("dependency('sdl2', method : 'sdlconfig')", self.dnf) if shutil.which('pkg-config'): errmsg = self.dnf else: errmsg = self.nopkg self.assertMesonRaises("dependency('sdl2', method : 'pkg-config')", errmsg) def test_gnustep_notfound_dependency(self): # Want to test failure, so skip if available if shutil.which('gnustep-config'): raise unittest.SkipTest('gnustep-config found') self.assertMesonRaises("dependency('gnustep')", "(requires a Objc compiler|{})".format(self.dnf), langs = ['objc']) def test_wx_notfound_dependency(self): # Want to test failure, so skip if available if shutil.which('wx-config-3.0') or shutil.which('wx-config') or shutil.which('wx-config-gtk3'): raise unittest.SkipTest('wx-config, wx-config-3.0 or wx-config-gtk3 found') self.assertMesonRaises("dependency('wxwidgets')", self.dnf) self.assertMesonOutputs("dependency('wxwidgets', required : false)", "Dependency .*WxWidgets.* found: .*NO.*") def test_wx_dependency(self): if not shutil.which('wx-config-3.0') and not shutil.which('wx-config') and not shutil.which('wx-config-gtk3'): raise unittest.SkipTest('Neither wx-config, wx-config-3.0 nor wx-config-gtk3 found') self.assertMesonRaises("dependency('wxwidgets', modules : 1)", "module argument is not a string") def test_llvm_dependency(self): self.assertMesonRaises("dependency('llvm', modules : 'fail')", "(required.*fail|{})".format(self.dnf)) def test_boost_notfound_dependency(self): # Can be run even if Boost is found or not self.assertMesonRaises("dependency('boost', modules : 1)", "module.*not a string") self.assertMesonRaises("dependency('boost', modules : 'fail')", "(fail.*not found|{})".format(self.dnf)) def test_boost_BOOST_ROOT_dependency(self): # Test BOOST_ROOT; can be run even if Boost is found or not os.environ['BOOST_ROOT'] = 'relative/path' self.assertMesonRaises("dependency('boost')", "(BOOST_ROOT.*absolute|{})".format(self.dnf)) def test_dependency_invalid_method(self): code = '''zlib_dep = dependency('zlib', required : false) zlib_dep.get_configtool_variable('foo') ''' self.assertMesonRaises(code, "'zlib' is not a config-tool dependency") code = '''zlib_dep = dependency('zlib', required : false) dep = declare_dependency(dependencies : zlib_dep) dep.get_pkgconfig_variable('foo') ''' self.assertMesonRaises(code, "Method.*pkgconfig.*is invalid.*internal") code = '''zlib_dep = dependency('zlib', required : false) dep = declare_dependency(dependencies : zlib_dep) dep.get_configtool_variable('foo') ''' self.assertMesonRaises(code, "Method.*configtool.*is invalid.*internal") def test_objc_cpp_detection(self): ''' Test that when we can't detect objc or objcpp, we fail gracefully. ''' env = get_fake_env('', self.builddir, self.prefix) try: env.detect_objc_compiler(False) env.detect_objcpp_compiler(False) except EnvironmentException: code = "add_languages('objc')\nadd_languages('objcpp')" self.assertMesonRaises(code, "Unknown compiler") return raise unittest.SkipTest("objc and objcpp found, can't test detection failure") def test_subproject_variables(self): ''' Test that: 1. The correct message is outputted when a not-required dep is not found and the fallback subproject is also not found. 2. A not-found not-required dep with a fallback subproject outputs the correct message when the fallback subproject is found but the variable inside it is not. 3. A fallback dependency is found from the subproject parsed in (2) 4. A not-required fallback dependency is not found because the subproject failed to parse. ''' tdir = os.path.join(self.unit_test_dir, '20 subproj dep variables') out = self.init(tdir, inprocess=True) self.assertRegex(out, r"Couldn't use fallback subproject " "in.*subprojects.*nosubproj.*for the dependency.*somedep") self.assertRegex(out, r'Dependency.*somenotfounddep.*from subproject.*' 'subprojects.*somesubproj.*found:.*NO') self.assertRegex(out, r'Dependency.*zlibproxy.*from subproject.*' 'subprojects.*somesubproj.*found:.*YES.*(cached)') self.assertRegex(out, r'Couldn\'t use fallback subproject in ' '.*subprojects.*failingsubproj.*for the dependency.*somedep') def test_exception_exit_status(self): ''' Test exit status on python exception ''' tdir = os.path.join(self.unit_test_dir, '21 exit status') os.environ['MESON_UNIT_TEST'] = '1' with self.assertRaises(subprocess.CalledProcessError) as cm: self.init(tdir, inprocess=False) self.assertEqual(cm.exception.returncode, 2) self.wipe() def test_dict_requires_key_value_pairs(self): self.assertMesonRaises("dict = {3, 'foo': 'bar'}", 'Only key:value pairs are valid in dict construction.') self.assertMesonRaises("{'foo': 'bar', 3}", 'Only key:value pairs are valid in dict construction.') def test_dict_forbids_duplicate_keys(self): self.assertMesonRaises("dict = {'a': 41, 'a': 42}", 'Duplicate dictionary key: a.*') def test_dict_forbids_integer_key(self): self.assertMesonRaises("dict = {3: 'foo'}", 'Key must be a string.*') def test_using_too_recent_feature(self): # Here we use a dict, which was introduced in 0.47.0 self.assertMesonOutputs("dict = {}", ".*WARNING.*Project targetting.*but.*", meson_version='>= 0.46.0') def test_using_recent_feature(self): # Same as above, except the meson version is now appropriate self.assertMesonDoesNotOutput("dict = {}", ".*WARNING.*Project targetting.*but.*", meson_version='>= 0.47') def test_using_too_recent_feature_dependency(self): self.assertMesonOutputs("dependency('pcap', required: false)", ".*WARNING.*Project targetting.*but.*", meson_version='>= 0.41.0') def test_vcs_tag_featurenew_build_always_stale(self): 'https://github.com/mesonbuild/meson/issues/3904' vcs_tag = '''version_data = configuration_data() version_data.set('PROJVER', '@VCS_TAG@') vf = configure_file(output : 'version.h.in', configuration: version_data) f = vcs_tag(input : vf, output : 'version.h') ''' msg = '.*WARNING:.*feature.*build_always_stale.*custom_target.*' self.assertMesonDoesNotOutput(vcs_tag, msg, meson_version='>=0.43') def test_missing_subproject_not_required_and_required(self): self.assertMesonRaises("sub1 = subproject('not-found-subproject', required: false)\n" + "sub2 = subproject('not-found-subproject', required: true)", """.*Subproject "subprojects/not-found-subproject" required but not found.*""") def test_get_variable_on_not_found_project(self): self.assertMesonRaises("sub1 = subproject('not-found-subproject', required: false)\n" + "sub1.get_variable('naaa')", """Subproject "subprojects/not-found-subproject" disabled can't get_variable on it.""") class WindowsTests(BasePlatformTests): ''' Tests that should run on Cygwin, MinGW, and MSVC ''' def setUp(self): super().setUp() self.platform_test_dir = os.path.join(self.src_root, 'test cases/windows') @unittest.skipIf(is_cygwin(), 'Test only applicable to Windows') def test_find_program(self): ''' Test that Windows-specific edge-cases in find_program are functioning correctly. Cannot be an ordinary test because it involves manipulating PATH to point to a directory with Python scripts. ''' testdir = os.path.join(self.platform_test_dir, '8 find program') # Find `cmd` and `cmd.exe` prog1 = ExternalProgram('cmd') self.assertTrue(prog1.found(), msg='cmd not found') prog2 = ExternalProgram('cmd.exe') self.assertTrue(prog2.found(), msg='cmd.exe not found') self.assertPathEqual(prog1.get_path(), prog2.get_path()) # Find cmd with an absolute path that's missing the extension cmd_path = prog2.get_path()[:-4] prog = ExternalProgram(cmd_path) self.assertTrue(prog.found(), msg='{!r} not found'.format(cmd_path)) # Finding a script with no extension inside a directory works prog = ExternalProgram(os.path.join(testdir, 'test-script')) self.assertTrue(prog.found(), msg='test-script not found') # Finding a script with an extension inside a directory works prog = ExternalProgram(os.path.join(testdir, 'test-script-ext.py')) self.assertTrue(prog.found(), msg='test-script-ext.py not found') # Finding a script in PATH w/o extension works and adds the interpreter os.environ['PATH'] += os.pathsep + testdir prog = ExternalProgram('test-script-ext') self.assertTrue(prog.found(), msg='test-script-ext not found in PATH') self.assertPathEqual(prog.get_command()[0], python_command[0]) self.assertPathBasenameEqual(prog.get_path(), 'test-script-ext.py') # Finding a script in PATH with extension works and adds the interpreter prog = ExternalProgram('test-script-ext.py') self.assertTrue(prog.found(), msg='test-script-ext.py not found in PATH') self.assertPathEqual(prog.get_command()[0], python_command[0]) self.assertPathBasenameEqual(prog.get_path(), 'test-script-ext.py') def test_ignore_libs(self): ''' Test that find_library on libs that are to be ignored returns an empty array of arguments. Must be a unit test because we cannot inspect ExternalLibraryHolder from build files. ''' testdir = os.path.join(self.platform_test_dir, '1 basic') env = get_fake_env(testdir, self.builddir, self.prefix) cc = env.detect_c_compiler(False) if cc.get_argument_syntax() != 'msvc': raise unittest.SkipTest('Not using MSVC') # To force people to update this test, and also test self.assertEqual(set(cc.ignore_libs), {'c', 'm', 'pthread', 'dl', 'rt'}) for l in cc.ignore_libs: self.assertEqual(cc.find_library(l, env, []), []) def test_rc_depends_files(self): testdir = os.path.join(self.platform_test_dir, '5 resources') # resource compiler depfile generation is not yet implemented for msvc env = get_fake_env(testdir, self.builddir, self.prefix) depfile_works = env.detect_c_compiler(False).get_id() not in ['msvc', 'clang-cl'] self.init(testdir) self.build() # Immediately rebuilding should not do anything self.assertBuildIsNoop() # Test compile_resources(depend_file:) # Changing mtime of sample.ico should rebuild prog self.utime(os.path.join(testdir, 'res', 'sample.ico')) self.assertRebuiltTarget('prog') # Test depfile generation by compile_resources # Changing mtime of resource.h should rebuild myres.rc and then prog if depfile_works: self.utime(os.path.join(testdir, 'inc', 'resource', 'resource.h')) self.assertRebuiltTarget('prog') self.wipe() if depfile_works: testdir = os.path.join(self.platform_test_dir, '12 resources with custom targets') self.init(testdir) self.build() # Immediately rebuilding should not do anything self.assertBuildIsNoop() # Changing mtime of resource.h should rebuild myres_1.rc and then prog_1 self.utime(os.path.join(testdir, 'res', 'resource.h')) self.assertRebuiltTarget('prog_1') def test_msvc_cpp17(self): testdir = os.path.join(self.unit_test_dir, '45 vscpp17') env = get_fake_env(testdir, self.builddir, self.prefix) cc = env.detect_c_compiler(False) if cc.get_argument_syntax() != 'msvc': raise unittest.SkipTest('Test only applies to MSVC-like compilers') try: self.init(testdir) except subprocess.CalledProcessError: # According to Python docs, output is only stored when # using check_output. We don't use it, so we can't check # that the output is correct (i.e. that it failed due # to the right reason). return self.build() class DarwinTests(BasePlatformTests): ''' Tests that should run on macOS ''' def setUp(self): super().setUp() self.platform_test_dir = os.path.join(self.src_root, 'test cases/osx') def test_apple_bitcode(self): ''' Test that -fembed-bitcode is correctly added while compiling and -bitcode_bundle is added while linking when b_bitcode is true and not when it is false. This can't be an ordinary test case because we need to inspect the compiler database. ''' testdir = os.path.join(self.common_test_dir, '4 shared') # Try with bitcode enabled out = self.init(testdir, extra_args='-Db_bitcode=true') env = get_fake_env(testdir, self.builddir, self.prefix) cc = env.detect_c_compiler(False) if cc.id != 'clang': raise unittest.SkipTest('Not using Clang on OSX') # Warning was printed self.assertRegex(out, 'WARNING:.*b_bitcode') # Compiler options were added compdb = self.get_compdb() self.assertIn('-fembed-bitcode', compdb[0]['command']) build_ninja = os.path.join(self.builddir, 'build.ninja') # Linker options were added with open(build_ninja, 'r', encoding='utf-8') as f: contents = f.read() m = re.search('LINK_ARGS =.*-bitcode_bundle', contents) self.assertIsNotNone(m, msg=contents) # Try with bitcode disabled self.setconf('-Db_bitcode=false') # Regenerate build self.build() compdb = self.get_compdb() self.assertNotIn('-fembed-bitcode', compdb[0]['command']) build_ninja = os.path.join(self.builddir, 'build.ninja') with open(build_ninja, 'r', encoding='utf-8') as f: contents = f.read() m = re.search('LINK_ARGS =.*-bitcode_bundle', contents) self.assertIsNone(m, msg=contents) def test_apple_bitcode_modules(self): ''' Same as above, just for shared_module() ''' testdir = os.path.join(self.common_test_dir, '153 shared module resolving symbol in executable') # Ensure that it builds even with bitcode enabled self.init(testdir, extra_args='-Db_bitcode=true') self.build() self.run_tests() def _get_darwin_versions(self, fname): fname = os.path.join(self.builddir, fname) out = subprocess.check_output(['otool', '-L', fname], universal_newlines=True) m = re.match(r'.*version (.*), current version (.*)\)', out.split('\n')[1]) self.assertIsNotNone(m, msg=out) return m.groups() def test_library_versioning(self): ''' Ensure that compatibility_version and current_version are set correctly ''' testdir = os.path.join(self.platform_test_dir, '2 library versions') self.init(testdir) self.build() targets = {} for t in self.introspect('--targets'): targets[t['name']] = t['filename'] self.assertEqual(self._get_darwin_versions(targets['some']), ('7.0.0', '7.0.0')) self.assertEqual(self._get_darwin_versions(targets['noversion']), ('0.0.0', '0.0.0')) self.assertEqual(self._get_darwin_versions(targets['onlyversion']), ('1.0.0', '1.0.0')) self.assertEqual(self._get_darwin_versions(targets['onlysoversion']), ('5.0.0', '5.0.0')) self.assertEqual(self._get_darwin_versions(targets['intver']), ('2.0.0', '2.0.0')) self.assertEqual(self._get_darwin_versions(targets['stringver']), ('2.3.0', '2.3.0')) self.assertEqual(self._get_darwin_versions(targets['stringlistver']), ('2.4.0', '2.4.0')) self.assertEqual(self._get_darwin_versions(targets['intstringver']), ('1111.0.0', '2.5.0')) self.assertEqual(self._get_darwin_versions(targets['stringlistvers']), ('2.6.0', '2.6.1')) def test_duplicate_rpath(self): testdir = os.path.join(self.unit_test_dir, '10 build_rpath') # We purposely pass a duplicate rpath to Meson, in order # to ascertain that Meson does not call install_name_tool # with duplicate -delete_rpath arguments, which would # lead to erroring out on installation os.environ["LDFLAGS"] = "-Wl,-rpath,/foo/bar" self.init(testdir) self.build() self.install() del os.environ["LDFLAGS"] class LinuxlikeTests(BasePlatformTests): ''' Tests that should run on Linux, macOS, and *BSD ''' def test_basic_soname(self): ''' Test that the soname is set correctly for shared libraries. This can't be an ordinary test case because we need to run `readelf` and actually check the soname. https://github.com/mesonbuild/meson/issues/785 ''' testdir = os.path.join(self.common_test_dir, '4 shared') self.init(testdir) self.build() lib1 = os.path.join(self.builddir, 'libmylib.so') soname = get_soname(lib1) self.assertEqual(soname, 'libmylib.so') def test_custom_soname(self): ''' Test that the soname is set correctly for shared libraries when a custom prefix and/or suffix is used. This can't be an ordinary test case because we need to run `readelf` and actually check the soname. https://github.com/mesonbuild/meson/issues/785 ''' testdir = os.path.join(self.common_test_dir, '25 library versions') self.init(testdir) self.build() lib1 = os.path.join(self.builddir, 'prefixsomelib.suffix') soname = get_soname(lib1) self.assertEqual(soname, 'prefixsomelib.suffix') def test_pic(self): ''' Test that -fPIC is correctly added to static libraries when b_staticpic is true and not when it is false. This can't be an ordinary test case because we need to inspect the compiler database. ''' if is_windows() or is_cygwin() or is_osx(): raise unittest.SkipTest('PIC not relevant') testdir = os.path.join(self.common_test_dir, '3 static') self.init(testdir) compdb = self.get_compdb() self.assertIn('-fPIC', compdb[0]['command']) self.setconf('-Db_staticpic=false') # Regenerate build self.build() compdb = self.get_compdb() self.assertNotIn('-fPIC', compdb[0]['command']) def test_pkgconfig_gen(self): ''' Test that generated pkg-config files can be found and have the correct version and link args. This can't be an ordinary test case because we need to run pkg-config outside of a Meson build file. https://github.com/mesonbuild/meson/issues/889 ''' testdir = os.path.join(self.common_test_dir, '48 pkgconfig-gen') self.init(testdir) env = get_fake_env(testdir, self.builddir, self.prefix) kwargs = {'required': True, 'silent': True} os.environ['PKG_CONFIG_LIBDIR'] = self.privatedir foo_dep = PkgConfigDependency('libfoo', env, kwargs) self.assertTrue(foo_dep.found()) self.assertEqual(foo_dep.get_version(), '1.0') self.assertIn('-lfoo', foo_dep.get_link_args()) self.assertEqual(foo_dep.get_pkgconfig_variable('foo', {}), 'bar') self.assertPathEqual(foo_dep.get_pkgconfig_variable('datadir', {}), '/usr/data') def test_pkgconfig_gen_deps(self): ''' Test that generated pkg-config files correctly handle dependencies ''' testdir = os.path.join(self.common_test_dir, '48 pkgconfig-gen') self.init(testdir) privatedir1 = self.privatedir self.new_builddir() os.environ['PKG_CONFIG_LIBDIR'] = privatedir1 testdir = os.path.join(self.common_test_dir, '48 pkgconfig-gen', 'dependencies') self.init(testdir) privatedir2 = self.privatedir os.environ['PKG_CONFIG_LIBDIR'] = os.pathsep.join([privatedir1, privatedir2]) cmd = ['pkg-config', 'dependency-test'] out = self._run(cmd + ['--print-requires']).strip().split('\n') self.assertEqual(sorted(out), sorted(['libexposed'])) out = self._run(cmd + ['--print-requires-private']).strip().split('\n') self.assertEqual(sorted(out), sorted(['libfoo >= 1.0'])) out = self._run(cmd + ['--cflags-only-other']).strip().split() self.check_pkg_flags_are_same(out, ['-pthread', '-DCUSTOM']) out = self._run(cmd + ['--libs-only-l', '--libs-only-other']).strip().split() self.check_pkg_flags_are_same(out, ['-pthread', '-lcustom', '-llibmain', '-llibexposed']) out = self._run(cmd + ['--libs-only-l', '--libs-only-other', '--static']).strip().split() self.check_pkg_flags_are_same(out, ['-pthread', '-lcustom', '-llibmain', '-llibexposed', '-llibinternal', '-lcustom2', '-lfoo']) cmd = ['pkg-config', 'requires-test'] out = self._run(cmd + ['--print-requires']).strip().split('\n') self.assertEqual(sorted(out), sorted(['libexposed', 'libfoo >= 1.0', 'libhello'])) cmd = ['pkg-config', 'requires-private-test'] out = self._run(cmd + ['--print-requires-private']).strip().split('\n') self.assertEqual(sorted(out), sorted(['libexposed', 'libfoo >= 1.0', 'libhello'])) def check_pkg_flags_are_same(self, output, expected): if is_osx() or is_haiku(): expected = [x for x in expected if x != '-pthread'] self.assertEqual(sorted(output), sorted(expected)) def test_pkg_unfound(self): testdir = os.path.join(self.unit_test_dir, '23 unfound pkgconfig') self.init(testdir) with open(os.path.join(self.privatedir, 'somename.pc')) as f: pcfile = f.read() self.assertFalse('blub_blob_blib' in pcfile) def test_vala_c_warnings(self): ''' Test that no warnings are emitted for C code generated by Vala. This can't be an ordinary test case because we need to inspect the compiler database. https://github.com/mesonbuild/meson/issues/864 ''' if not shutil.which('valac'): raise unittest.SkipTest('valac not installed.') testdir = os.path.join(self.vala_test_dir, '5 target glib') self.init(testdir) compdb = self.get_compdb() vala_command = None c_command = None for each in compdb: if each['file'].endswith('GLib.Thread.c'): vala_command = each['command'] elif each['file'].endswith('GLib.Thread.vala'): continue elif each['file'].endswith('retcode.c'): c_command = each['command'] else: m = 'Unknown file {!r} in vala_c_warnings test'.format(each['file']) raise AssertionError(m) self.assertIsNotNone(vala_command) self.assertIsNotNone(c_command) # -w suppresses all warnings, should be there in Vala but not in C self.assertIn(" -w ", vala_command) self.assertNotIn(" -w ", c_command) # -Wall enables all warnings, should be there in C but not in Vala self.assertNotIn(" -Wall ", vala_command) self.assertIn(" -Wall ", c_command) # -Werror converts warnings to errors, should always be there since it's # injected by an unrelated piece of code and the project has werror=true self.assertIn(" -Werror ", vala_command) self.assertIn(" -Werror ", c_command) @skipIfNoPkgconfig def test_qtdependency_pkgconfig_detection(self): ''' Test that qt4 and qt5 detection with pkgconfig works. ''' # Verify Qt4 or Qt5 can be found with pkg-config qt4 = subprocess.call(['pkg-config', '--exists', 'QtCore']) qt5 = subprocess.call(['pkg-config', '--exists', 'Qt5Core']) testdir = os.path.join(self.framework_test_dir, '4 qt') self.init(testdir, ['-Dmethod=pkg-config']) # Confirm that the dependency was found with pkg-config mesonlog = self.get_meson_log() if qt4 == 0: self.assertRegex('\n'.join(mesonlog), r'Dependency qt4 \(modules: Core\) found: YES 4.* \(pkg-config\)\n') if qt5 == 0: self.assertRegex('\n'.join(mesonlog), r'Dependency qt5 \(modules: Core\) found: YES 5.* \(pkg-config\)\n') @skip_if_not_base_option('b_sanitize') def test_generate_gir_with_address_sanitizer(self): if is_cygwin(): raise unittest.SkipTest('asan not available on Cygwin') testdir = os.path.join(self.framework_test_dir, '7 gnome') self.init(testdir, ['-Db_sanitize=address', '-Db_lundef=false']) self.build() def test_qt5dependency_qmake_detection(self): ''' Test that qt5 detection with qmake works. This can't be an ordinary test case because it involves setting the environment. ''' # Verify that qmake is for Qt5 if not shutil.which('qmake-qt5'): if not shutil.which('qmake'): raise unittest.SkipTest('QMake not found') output = subprocess.getoutput('qmake --version') if 'Qt version 5' not in output: raise unittest.SkipTest('Qmake found, but it is not for Qt 5.') # Disable pkg-config codepath and force searching with qmake/qmake-qt5 testdir = os.path.join(self.framework_test_dir, '4 qt') self.init(testdir, ['-Dmethod=qmake']) # Confirm that the dependency was found with qmake mesonlog = self.get_meson_log() self.assertRegex('\n'.join(mesonlog), r'Dependency qt5 \(modules: Core\) found: YES .* \((qmake|qmake-qt5)\)\n') def _test_soname_impl(self, libpath, install): if is_cygwin() or is_osx(): raise unittest.SkipTest('Test only applicable to ELF and linuxlike sonames') testdir = os.path.join(self.unit_test_dir, '1 soname') self.init(testdir) self.build() if install: self.install() # File without aliases set. nover = os.path.join(libpath, 'libnover.so') self.assertPathExists(nover) self.assertFalse(os.path.islink(nover)) self.assertEqual(get_soname(nover), 'libnover.so') self.assertEqual(len(glob(nover[:-3] + '*')), 1) # File with version set verset = os.path.join(libpath, 'libverset.so') self.assertPathExists(verset + '.4.5.6') self.assertEqual(os.readlink(verset), 'libverset.so.4') self.assertEqual(get_soname(verset), 'libverset.so.4') self.assertEqual(len(glob(verset[:-3] + '*')), 3) # File with soversion set soverset = os.path.join(libpath, 'libsoverset.so') self.assertPathExists(soverset + '.1.2.3') self.assertEqual(os.readlink(soverset), 'libsoverset.so.1.2.3') self.assertEqual(get_soname(soverset), 'libsoverset.so.1.2.3') self.assertEqual(len(glob(soverset[:-3] + '*')), 2) # File with version and soversion set to same values settosame = os.path.join(libpath, 'libsettosame.so') self.assertPathExists(settosame + '.7.8.9') self.assertEqual(os.readlink(settosame), 'libsettosame.so.7.8.9') self.assertEqual(get_soname(settosame), 'libsettosame.so.7.8.9') self.assertEqual(len(glob(settosame[:-3] + '*')), 2) # File with version and soversion set to different values bothset = os.path.join(libpath, 'libbothset.so') self.assertPathExists(bothset + '.1.2.3') self.assertEqual(os.readlink(bothset), 'libbothset.so.1.2.3') self.assertEqual(os.readlink(bothset + '.1.2.3'), 'libbothset.so.4.5.6') self.assertEqual(get_soname(bothset), 'libbothset.so.1.2.3') self.assertEqual(len(glob(bothset[:-3] + '*')), 3) def test_soname(self): self._test_soname_impl(self.builddir, False) def test_installed_soname(self): libdir = self.installdir + os.path.join(self.prefix, self.libdir) self._test_soname_impl(libdir, True) def test_compiler_check_flags_order(self): ''' Test that compiler check flags override all other flags. This can't be an ordinary test case because it needs the environment to be set. ''' Oflag = '-O3' os.environ['CFLAGS'] = os.environ['CXXFLAGS'] = Oflag testdir = os.path.join(self.common_test_dir, '40 has function') self.init(testdir) cmds = self.get_meson_log_compiler_checks() for cmd in cmds: if cmd[0] == 'ccache': cmd = cmd[1:] # Verify that -I flags from the `args` kwarg are first # This is set in the '40 has function' test case self.assertEqual(cmd[1], '-I/tmp') # Verify that -O3 set via the environment is overridden by -O0 Oargs = [arg for arg in cmd if arg.startswith('-O')] self.assertEqual(Oargs, [Oflag, '-O0']) def _test_stds_impl(self, testdir, compiler, p): lang_std = p + '_std' # Check that all the listed -std=xxx options for this compiler work # just fine when used for v in compiler.get_options()[lang_std].choices: if (compiler.get_id() == 'clang' and '17' in v and (version_compare(compiler.version, '<5.0.0') or (compiler.compiler_type == mesonbuild.compilers.CompilerType.CLANG_OSX and version_compare(compiler.version, '<9.1')))): continue if (compiler.get_id() == 'clang' and '2a' in v and (version_compare(compiler.version, '<6.0.0') or (compiler.compiler_type == mesonbuild.compilers.CompilerType.CLANG_OSX and version_compare(compiler.version, '<9.1')))): continue if (compiler.get_id() == 'gcc' and '2a' in v and version_compare(compiler.version, '<8.0.0')): continue std_opt = '{}={}'.format(lang_std, v) self.init(testdir, ['-D' + std_opt]) cmd = self.get_compdb()[0]['command'] # c++03 and gnu++03 are not understood by ICC, don't try to look for them skiplist = frozenset([ ('intel', 'c++03'), ('intel', 'gnu++03')]) if v != 'none' and not (compiler.get_id(), v) in skiplist: cmd_std = " -std={} ".format(v) self.assertIn(cmd_std, cmd) try: self.build() except: print('{} was {!r}'.format(lang_std, v)) raise self.wipe() # Check that an invalid std option in CFLAGS/CPPFLAGS fails # Needed because by default ICC ignores invalid options cmd_std = '-std=FAIL' env_flags = p.upper() + 'FLAGS' os.environ[env_flags] = cmd_std self.init(testdir) cmd = self.get_compdb()[0]['command'] qcmd_std = " {} ".format(cmd_std) self.assertIn(qcmd_std, cmd) with self.assertRaises(subprocess.CalledProcessError, msg='{} should have failed'.format(qcmd_std)): self.build() def test_compiler_c_stds(self): ''' Test that C stds specified for this compiler can all be used. Can't be an ordinary test because it requires passing options to meson. ''' testdir = os.path.join(self.common_test_dir, '1 trivial') env = get_fake_env(testdir, self.builddir, self.prefix) cc = env.detect_c_compiler(False) self._test_stds_impl(testdir, cc, 'c') def test_compiler_cpp_stds(self): ''' Test that C++ stds specified for this compiler can all be used. Can't be an ordinary test because it requires passing options to meson. ''' testdir = os.path.join(self.common_test_dir, '2 cpp') env = get_fake_env(testdir, self.builddir, self.prefix) cpp = env.detect_cpp_compiler(False) self._test_stds_impl(testdir, cpp, 'cpp') def test_unity_subproj(self): testdir = os.path.join(self.common_test_dir, '46 subproject') self.init(testdir, extra_args='--unity=subprojects') simpletest_id = Target.construct_id_from_path('subprojects/sublib', 'simpletest', '@exe') self.assertPathExists(os.path.join(self.builddir, 'subprojects/sublib', simpletest_id, 'simpletest-unity.c')) sublib_id = Target.construct_id_from_path('subprojects/sublib', 'sublib', '@sha') self.assertPathExists(os.path.join(self.builddir, 'subprojects/sublib', sublib_id, 'sublib-unity.c')) self.assertPathDoesNotExist(os.path.join(self.builddir, 'user@exe/user-unity.c')) self.build() def test_installed_modes(self): ''' Test that files installed by these tests have the correct permissions. Can't be an ordinary test because our installed_files.txt is very basic. ''' # Test file modes testdir = os.path.join(self.common_test_dir, '12 data') self.init(testdir) self.install() f = os.path.join(self.installdir, 'etc', 'etcfile.dat') found_mode = stat.filemode(os.stat(f).st_mode) want_mode = 'rw------T'