First cut of ARMCC support for MESON.

Change-Id: I15d8258e84d392baaccb8f670e33eefcfe8cd49a

3 files changed, 111 insertions, 0 deletions

diff --git a/mesonbuild/compilers/__init__.py b/mesonbuild/compilers/__init__.py
index 84c87fb..a0ec469 100644
--- a/mesonbuild/compilers/__init__.py
+++ b/mesonbuild/compilers/__init__.py
@@ -41,6 +41,8 @@ __all__ = [
     'sanitizer_compile_args',
     'sort_clike',
 
+    'ARMCompiler',
+    'ARMCCompiler',
     'CCompiler',
     'ClangCCompiler',
     'ClangCompiler',
@@ -115,6 +117,7 @@ from .compilers import (
     IntelCompiler,
 )
 from .c import (
+    ARMCCompiler,
     CCompiler,
     ClangCCompiler,
     GnuCCompiler,
diff --git a/mesonbuild/compilers/c.py b/mesonbuild/compilers/c.py
index 1c9b9b4..cc1a48e 100644
--- a/mesonbuild/compilers/c.py
+++ b/mesonbuild/compilers/c.py
@@ -31,6 +31,7 @@ from .compilers import (
     msvc_winlibs,
     vs32_instruction_set_args,
     vs64_instruction_set_args,
+    ARMCompiler,
     ClangCompiler,
     Compiler,
     CompilerArgs,
@@ -888,6 +889,62 @@ class GnuCCompiler(GnuCompiler, CCompiler):
         return ['-fpch-preprocess', '-include', os.path.basename(header)]
 
 
+class ARMCCompiler(ARMCompiler, CCompiler):
+    def __init__(self, exelist, version, is_cross, exe_wrapper=None, defines=None, **kwargs):
+        CCompiler.__init__(self, exelist, version, is_cross, exe_wrapper, **kwargs)
+        ARMCompiler.__init__(self, defines)
+
+    def sanity_check_impl(self, work_dir, environment, sname, code):
+        mlog.debug('Sanity testing disabled for armcc compiler')
+        return
+
+    def get_options(self):
+        opts = {'c_std': coredata.UserComboOption('c_std', 'C language standard to use',
+                                                  ['none', 'c89', 'c99', 'c11'],
+                                                  'none')}
+        return opts
+
+    def get_warn_args(self, level):
+        # ARMCC doesn't have warning levels
+        return []
+
+    def get_coverage_args(self):
+        return []
+
+    def get_coverage_link_args(self):
+        return []
+
+    # Override CCompiler.get_always_args
+    def get_always_args(self):
+        return []
+
+    def get_option_compile_args(self, options):
+        return []
+
+    def get_linker_exelist(self):
+        args = ['armlink']
+        return args
+
+    # Override CCompiler.get_dependency_gen_args
+    def get_dependency_gen_args(self, outtarget, outfile):
+        return []
+
+    # Override CCompiler.get_std_shared_lib_link_args
+    def get_std_shared_lib_link_args(self):
+        return []
+
+    def get_pch_use_args(self, pch_dir, header):
+        # FIXME: Add required arguments
+        # NOTE from armcc user guide:
+        # "Support for Precompiled Header (PCH) files is deprecated from ARM Compiler 5.05
+        # onwards on all platforms. Note that ARM Compiler on Windows 8 never supported
+        # PCH files."
+        return []
+
+    def get_compile_only_args(self):
+        return ['-c']
+
+
 class IntelCCompiler(IntelCompiler, CCompiler):
     def __init__(self, exelist, version, icc_type, is_cross, exe_wrapper=None, **kwargs):
         CCompiler.__init__(self, exelist, version, is_cross, exe_wrapper, **kwargs)
diff --git a/mesonbuild/compilers/compilers.py b/mesonbuild/compilers/compilers.py
index 034fef4..cdc6f87 100644
--- a/mesonbuild/compilers/compilers.py
+++ b/mesonbuild/compilers/compilers.py
@@ -112,6 +112,12 @@ gnulike_buildtype_args = {'plain': [],
                           'debugoptimized': ['-O2', '-g'],
                           'release': ['-O3'],
                           'minsize': ['-Os', '-g']}
+arm_buildtype_args = {'plain': [],
+                      'debug': ['-O0', '-g'],
+                      'debugoptimized': ['-O2', '-g'],
+                      'release': ['-O2'],
+                      'minsize': ['-Os', '-g'],
+                     }
 
 msvc_buildtype_args = {'plain': [],
                        'debug': ["/MDd", "/ZI", "/Ob0", "/Od", "/RTC1"],
@@ -133,6 +139,12 @@ gnulike_buildtype_linker_args = {'plain': [],
                                  'release': ['-Wl,-O1'],
                                  'minsize': [],
                                  }
+arm_buildtype_linker_args = {'plain': [],
+                             'debug': [],
+                             'debugoptimized': [],
+                             'release': [],
+                             'minsize': [],
+                            }
 
 msvc_buildtype_linker_args = {'plain': [],
                               'debug': [],
@@ -657,6 +669,12 @@ class Compiler:
     def get_always_args(self):
         return []
 
+    def can_linker_accept_rsp(self):
+        """
+        Determines whether the linker can accept arguments using the @rsp syntax.
+        """
+        return mesonlib.is_windows()
+
     def get_linker_always_args(self):
         return []
 
@@ -1075,6 +1093,39 @@ class GnuCompiler:
     def get_default_include_dirs(self):
         return gnulike_default_include_dirs(self.exelist, self.language)
 
+class ARMCompiler:
+    # Functionality that is common to all ARM family compilers.
+    def __init__(self, defines):
+        self.id = 'arm'
+        self.defines = defines or {}
+        self.base_options = ['b_pch', 'b_lto', 'b_pgo', 'b_sanitize', 'b_coverage',
+                             'b_colorout', 'b_ndebug', 'b_staticpic']
+        # Assembly
+        self.can_compile_suffixes.add('s')
+
+    def can_linker_accept_rsp(self):
+        return False
+
+    def get_pic_args(self):
+        # FIXME: Add /ropi, /rwpi, /fpic etc. qualifiers to --apcs
+        return []
+
+    def get_buildtype_args(self, buildtype):
+        return arm_buildtype_args[buildtype]
+
+    def get_buildtype_linker_args(self, buildtype):
+        return arm_buildtype_linker_args[buildtype]
+
+    def get_pch_suffix(self):
+        # NOTE from armcc user guide:
+        # "Support for Precompiled Header (PCH) files is deprecated from ARM Compiler 5.05
+        # onwards on all platforms. Note that ARM Compiler on Windows 8 never supported
+        # PCH files."
+        return 'pch'
+
+    def split_shlib_to_parts(self, fname):
+        return os.path.split(fname)[0], fname
+
 
 class ClangCompiler:
     def __init__(self, clang_type):