diff options
Diffstat (limited to 'mesonbuild/compilers.py')
| -rw-r--r-- | mesonbuild/compilers.py | 72 |
1 files changed, 45 insertions, 27 deletions
diff --git a/mesonbuild/compilers.py b/mesonbuild/compilers.py index e8671da..e209378 100644 --- a/mesonbuild/compilers.py +++ b/mesonbuild/compilers.py @@ -452,11 +452,22 @@ class Compiler(): extra_flags += environment.cross_info.config['properties'].get(lang_link_args_key, []) return extra_flags + def _get_compile_output(self, dirname, mode): + # In pre-processor mode, the output is sent to stdout and discarded + if mode == 'preprocess': + return None + # Extension only matters if running results; '.exe' is + # guaranteed to be executable on every platform. + if mode == 'link': + suffix = 'exe' + else: + suffix = 'obj' + return os.path.join(dirname, 'output.' + suffix) + @contextlib.contextmanager - def compile(self, code, extra_args=None, compile_only=False): + def compile(self, code, extra_args=None, mode='link'): if extra_args is None: extra_args = [] - try: with tempfile.TemporaryDirectory() as tmpdirname: if isinstance(code, str): @@ -466,21 +477,20 @@ class Compiler(): ofile.write(code) elif isinstance(code, mesonlib.File): srcname = code.fname + output = self._get_compile_output(tmpdirname, mode) - # Extension only matters if running results; '.exe' is - # guaranteed to be executable on every platform. - if compile_only: - suffix = 'obj' - else: - suffix = 'exe' - output = os.path.join(tmpdirname, 'output.' + suffix) - + # Construct the compiler command-line commands = self.get_exelist() commands.append(srcname) commands += extra_args - commands += self.get_output_args(output) - if compile_only: + commands += self.get_always_args() + if mode == 'compile': commands += self.get_compile_only_args() + # Preprocess mode outputs to stdout, so no output args + if mode == 'preprocess': + commands += self.get_preprocess_only_args() + else: + commands += self.get_output_args(output) mlog.debug('Running compile:') mlog.debug('Working directory: ', tmpdirname) mlog.debug('Command line: ', ' '.join(commands), '\n') @@ -580,6 +590,9 @@ class CCompiler(Compiler): def get_linker_exelist(self): return self.exelist[:] + def get_preprocess_only_args(self): + return ['-E'] + def get_compile_only_args(self): return ['-c'] @@ -710,7 +723,7 @@ class CCompiler(Compiler): if extra_args is None: extra_args = [] code = '{}\n#include<{}>\nint someUselessSymbol;'.format(prefix, hname) - return self.compiles(code, env, extra_args, dependencies) + return self.compiles(code, env, extra_args, dependencies, 'preprocess') def has_header_symbol(self, hname, symbol, prefix, env, extra_args=None, dependencies=None): if extra_args is None: @@ -747,7 +760,7 @@ int main () {{ after_args.append(arg) return before_args + args + after_args - def compiles(self, code, env, extra_args=None, dependencies=None): + def compiles(self, code, env, extra_args=None, dependencies=None, mode='compile'): if extra_args is None: extra_args = [] if isinstance(extra_args, str): @@ -771,7 +784,7 @@ int main () {{ # Append both to the compiler args such that they override them args = self._override_args(args, extra_args) # We only want to compile; not link - with self.compile(code, args, compile_only=True) as p: + with self.compile(code, args, mode) as p: return p.returncode == 0 def _links_wrapper(self, code, env, extra_args, dependencies): @@ -1090,7 +1103,7 @@ void bar() { args = self.get_cross_extra_flags(env, compile=True, link=False) args += self.get_compiler_check_args() n = 'symbols_have_underscore_prefix' - with self.compile(code, args, compile_only=True) as p: + with self.compile(code, args, 'compile') as p: if p.returncode != 0: m = 'BUG: Unable to compile {!r} check: {}' raise RuntimeError(m.format(n, p.stdo)) @@ -1433,7 +1446,7 @@ class ValaCompiler(Compiler): def sanity_check(self, work_dir, environment): code = 'class MesonSanityCheck : Object { }' args = self.get_cross_extra_flags(environment, compile=True, link=False) - with self.compile(code, args, compile_only=True) as p: + with self.compile(code, args, 'compile') as p: if p.returncode != 0: msg = 'Vala compiler {!r} can not compile programs' \ ''.format(self.name_string()) @@ -1454,7 +1467,7 @@ class ValaCompiler(Compiler): vapi_args = ['--pkg', libname] args = self.get_cross_extra_flags(env, compile=True, link=False) args += vapi_args - with self.compile(code, args, compile_only=True) as p: + with self.compile(code, args, 'compile') as p: if p.returncode == 0: return vapi_args # Not found? Try to find the vapi file itself. @@ -1607,6 +1620,12 @@ class DCompiler(Compiler): def get_linker_exelist(self): return self.exelist[:] + def get_preprocess_only_args(self): + return ['-E'] + + def get_compile_only_args(self): + return ['-c'] + def depfile_for_object(self, objfile): return objfile + '.' + self.get_depfile_suffix() @@ -1689,9 +1708,6 @@ class GnuDCompiler(DCompiler): def get_output_args(self, target): return ['-o', target] - def get_compile_only_args(self): - return ['-c'] - def get_linker_output_args(self, target): return ['-o', target] @@ -1735,9 +1751,6 @@ class LLVMDCompiler(DCompiler): def get_output_args(self, target): return ['-of', target] - def get_compile_only_args(self): - return ['-c'] - def get_linker_output_args(self, target): return ['-of', target] @@ -1793,9 +1806,6 @@ class DmdDCompiler(DCompiler): def get_werror_args(self): return ['-w'] - def get_compile_only_args(self): - return ['-c'] - def get_linker_output_args(self, target): return ['-of' + target] @@ -1833,6 +1843,8 @@ class VisualStudioCCompiler(CCompiler): def __init__(self, exelist, version, is_cross, exe_wrap): CCompiler.__init__(self, exelist, version, is_cross, exe_wrap) self.id = 'msvc' + # /showIncludes is needed for build dependency tracking in Ninja + # See: https://ninja-build.org/manual.html#_deps self.always_args = ['/nologo', '/showIncludes'] self.warn_args = {'1': ['/W2'], '2': ['/W3'], @@ -1873,6 +1885,9 @@ class VisualStudioCCompiler(CCompiler): pchname = self.get_pch_name(header) return ['/FI' + base, '/Yu' + base, '/Fp' + os.path.join(pch_dir, pchname)] + def get_preprocess_only_args(self): + return ['/E'] + def get_compile_only_args(self): return ['/c'] @@ -2439,6 +2454,9 @@ end program prog def get_output_args(self, target): return ['-o', target] + def get_preprocess_only_args(self): + return ['-E'] + def get_compile_only_args(self): return ['-c'] |