| # 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 configparser, os, platform, re, shlex, shutil, subprocess |
| |
| from . import coredata |
| from .linkers import ArLinker, VisualStudioLinker |
| from . import mesonlib |
| from .mesonlib import EnvironmentException, Popen_safe |
| from . import mlog |
| import sys |
| |
| from . import compilers |
| from .compilers import ( |
| CLANG_OSX, |
| CLANG_STANDARD, |
| CLANG_WIN, |
| GCC_CYGWIN, |
| GCC_MINGW, |
| GCC_OSX, |
| GCC_STANDARD, |
| ICC_STANDARD, |
| is_assembly, |
| is_header, |
| is_library, |
| is_llvm_ir, |
| is_object, |
| is_source, |
| ) |
| from .compilers import ( |
| ClangCCompiler, |
| ClangCPPCompiler, |
| ClangObjCCompiler, |
| ClangObjCPPCompiler, |
| G95FortranCompiler, |
| GnuCCompiler, |
| GnuCPPCompiler, |
| GnuFortranCompiler, |
| GnuObjCCompiler, |
| GnuObjCPPCompiler, |
| IntelCCompiler, |
| IntelCPPCompiler, |
| IntelFortranCompiler, |
| JavaCompiler, |
| MonoCompiler, |
| NAGFortranCompiler, |
| Open64FortranCompiler, |
| PathScaleFortranCompiler, |
| PGIFortranCompiler, |
| RustCompiler, |
| SunFortranCompiler, |
| ValaCompiler, |
| VisualStudioCCompiler, |
| VisualStudioCPPCompiler, |
| ) |
| |
| build_filename = 'meson.build' |
| |
| # Environment variables that each lang uses. |
| cflags_mapping = {'c': 'CFLAGS', |
| 'cpp': 'CXXFLAGS', |
| 'objc': 'OBJCFLAGS', |
| 'objcpp': 'OBJCXXFLAGS', |
| 'fortran': 'FFLAGS', |
| 'd': 'DFLAGS', |
| 'vala': 'VALAFLAGS'} |
| |
| |
| def find_coverage_tools(): |
| gcovr_exe = 'gcovr' |
| lcov_exe = 'lcov' |
| genhtml_exe = 'genhtml' |
| |
| if not mesonlib.exe_exists([gcovr_exe, '--version']): |
| gcovr_exe = None |
| 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, lcov_exe, genhtml_exe |
| |
| def detect_ninja(version='1.5', log=False): |
| for n in ['ninja', 'ninja-build']: |
| 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): |
| if log: |
| mlog.log('Found ninja-{} at {}'.format(found, shlex.quote(shutil.which(n)))) |
| return n |
| |
| def detect_native_windows_arch(): |
| """ |
| The architecture of Windows itself: x86 or amd64 |
| """ |
| # 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): |
| """ |
| 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 if we're in an MSVC toolchain environment, and if so, return the |
| MSVC toolchain architecture as our 'native' architecture. |
| 2. If not, check environment variables that are set by Windows and WOW64 to |
| find out the architecture that Windows is built for, and use that as our |
| 'native' architecture. |
| """ |
| os_arch = detect_native_windows_arch() |
| if os_arch != 'amd64': |
| 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(): |
| # Check if we're using and inside an MSVC toolchain environment |
| if compiler.id == 'msvc' and 'VCINSTALLDIR' in os.environ: |
| # 'Platform' is only set when the target arch is not 'x86'. |
| # It's 'x64' when targeting x86_64 and 'arm' when targeting ARM. |
| platform = os.environ.get('Platform', 'x86').lower() |
| if platform == 'x86': |
| return platform |
| if compiler.id == 'gcc' and compiler.has_builtin_define('__i386__'): |
| return 'x86' |
| return os_arch |
| |
| def detect_cpu_family(compilers): |
| """ |
| 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) |
| else: |
| trial = platform.machine().lower() |
| if trial.startswith('i') and trial.endswith('86'): |
| return 'x86' |
| if trial.startswith('arm'): |
| return 'arm' |
| if trial in ('amd64', 'x64'): |
| trial = 'x86_64' |
| if trial == 'x86_64': |
| # On Linux (and maybe others) there can be any mixture of 32/64 bit |
| # code in the kernel, Python, system etc. The only reliable way |
| # to know is to check the compiler defines. |
| for c in compilers.values(): |
| try: |
| if c.has_builtin_define('__i386__'): |
| return 'x86' |
| except mesonlib.MesonException: |
| # Ignore compilers that do not support has_builtin_define. |
| pass |
| return 'x86_64' |
| # Add fixes here as bugs are reported. |
| return trial |
| |
| def detect_cpu(compilers): |
| if mesonlib.is_windows(): |
| trial = detect_windows_arch(compilers) |
| else: |
| trial = platform.machine().lower() |
| if trial in ('amd64', 'x64'): |
| trial = 'x86_64' |
| if trial == 'x86_64': |
| # Same check as above for cpu_family |
| for c in compilers.values(): |
| try: |
| if c.has_builtin_define('__i386__'): |
| return 'i686' # All 64 bit cpus have at least this level of x86 support. |
| except mesonlib.MesonException: |
| pass |
| return 'x86_64' |
| # Add fixes here as bugs are reported. |
| return trial |
| |
| def detect_system(): |
| system = platform.system().lower() |
| if system.startswith('cygwin'): |
| return 'cygwin' |
| return system |
| |
| 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. |
| version_regex = '(?<!(\d|\.))(\d{1,2}(\.\d+)+(-[a-zA-Z0-9]+)?)' |
| match = re.search(version_regex, text) |
| if match: |
| return match.group(0) |
| return 'unknown version' |
| |
| class Environment: |
| private_dir = 'meson-private' |
| log_dir = 'meson-logs' |
| coredata_file = os.path.join(private_dir, 'coredata.dat') |
| |
| def __init__(self, source_dir, build_dir, main_script_launcher, options, original_cmd_line_args): |
| self.source_dir = source_dir |
| self.build_dir = build_dir |
| self.meson_script_launcher = main_script_launcher |
| self.scratch_dir = os.path.join(build_dir, Environment.private_dir) |
| self.log_dir = os.path.join(build_dir, Environment.log_dir) |
| os.makedirs(self.scratch_dir, exist_ok=True) |
| os.makedirs(self.log_dir, exist_ok=True) |
| try: |
| cdf = os.path.join(self.get_build_dir(), Environment.coredata_file) |
| self.coredata = coredata.load(cdf) |
| self.first_invocation = False |
| except FileNotFoundError: |
| # 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.coredata.meson_script_launcher = self.meson_script_launcher |
| self.first_invocation = True |
| if self.coredata.cross_file: |
| self.cross_info = CrossBuildInfo(self.coredata.cross_file) |
| else: |
| self.cross_info = None |
| self.cmd_line_options = options |
| self.original_cmd_line_args = original_cmd_line_args |
| |
| # List of potential compilers. |
| if mesonlib.is_windows(): |
| self.default_c = ['cl', 'cc', 'gcc', 'clang'] |
| self.default_cpp = ['cl', 'c++', 'g++', 'clang++'] |
| else: |
| self.default_c = ['cc', 'gcc', 'clang'] |
| self.default_cpp = ['c++', 'g++', 'clang++'] |
| self.default_objc = ['cc'] |
| self.default_objcpp = ['c++'] |
| self.default_fortran = ['gfortran', 'g95', 'f95', 'f90', 'f77', 'ifort'] |
| self.default_static_linker = ['ar'] |
| self.vs_static_linker = ['lib'] |
| self.gcc_static_linker = ['gcc-ar'] |
| self.clang_static_linker = ['llvm-ar'] |
| |
| # Various prefixes and suffixes for import libraries, shared libraries, |
| # static libraries, and executables. |
| # Versioning is added to these names in the backends as-needed. |
| cross = self.is_cross_build() |
| if (not cross and mesonlib.is_windows()) \ |
| or (cross and self.cross_info.has_host() and self.cross_info.config['host_machine']['system'] == 'windows'): |
| self.exe_suffix = 'exe' |
| self.object_suffix = 'obj' |
| self.win_libdir_layout = True |
| elif (not cross and mesonlib.is_cygwin()) \ |
| or (cross and self.cross_info.has_host() and self.cross_info.config['host_machine']['system'] == 'cygwin'): |
| self.exe_suffix = 'exe' |
| self.object_suffix = 'o' |
| self.win_libdir_layout = True |
| else: |
| self.exe_suffix = '' |
| self.object_suffix = 'o' |
| self.win_libdir_layout = False |
| if 'STRIP' in os.environ: |
| self.native_strip_bin = shlex.split('STRIP') |
| else: |
| self.native_strip_bin = ['strip'] |
| |
| def is_cross_build(self): |
| return self.cross_info is not None |
| |
| def dump_coredata(self): |
| cdf = os.path.join(self.get_build_dir(), Environment.coredata_file) |
| coredata.save(self.coredata, cdf) |
| return cdf |
| |
| 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 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) |
| |
| def is_library(self, fname): |
| return is_library(fname) |
| |
| def had_argument_for(self, option): |
| trial1 = '--' + option |
| trial2 = '-D' + option |
| previous_is_plaind = False |
| for i in self.original_cmd_line_args: |
| if i.startswith(trial1) or i.startswith(trial2): |
| return True |
| if previous_is_plaind and i.startswith(option): |
| return True |
| previous_is_plaind = i == '-D' |
| return False |
| |
| def merge_options(self, options): |
| for (name, value) in options.items(): |
| if name not in self.coredata.user_options: |
| self.coredata.user_options[name] = value |
| else: |
| oldval = self.coredata.user_options[name] |
| if type(oldval) != type(value): |
| self.coredata.user_options[name] = value |
| |
| @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_gnu_compiler_type(defines): |
| # Detect GCC type (Apple, MinGW, Cygwin, Unix) |
| if '__APPLE__' in defines: |
| return GCC_OSX |
| elif '__MINGW32__' in defines or '__MINGW64__' in defines: |
| return GCC_MINGW |
| elif '__CYGWIN__' in defines: |
| return GCC_CYGWIN |
| return GCC_STANDARD |
| |
| def _get_compilers(self, lang, evar, want_cross): |
| ''' |
| The list of compilers is detected in the exact same way for |
| C, C++, ObjC, ObjC++, Fortran so consolidate it here. |
| ''' |
| if self.is_cross_build() and want_cross: |
| compilers = mesonlib.stringlistify(self.cross_info.config['binaries'][lang]) |
| # Ensure ccache exists and remove it if it doesn't |
| if compilers[0] == 'ccache': |
| compilers = compilers[1:] |
| ccache = self.detect_ccache() |
| else: |
| ccache = [] |
| # Return value has to be a list of compiler 'choices' |
| compilers = [compilers] |
| is_cross = True |
| if self.cross_info.need_exe_wrapper(): |
| exe_wrap = self.cross_info.config['binaries'].get('exe_wrapper', None) |
| else: |
| exe_wrap = [] |
| elif evar in os.environ: |
| compilers = shlex.split(os.environ[evar]) |
| # Ensure ccache exists and remove it if it doesn't |
| if compilers[0] == 'ccache': |
| compilers = compilers[1:] |
| ccache = self.detect_ccache() |
| else: |
| ccache = [] |
| # Return value has to be a list of compiler 'choices' |
| compilers = [compilers] |
| is_cross = False |
| exe_wrap = None |
| else: |
| compilers = getattr(self, 'default_' + lang) |
| ccache = self.detect_ccache() |
| is_cross = False |
| exe_wrap = None |
| return compilers, ccache, is_cross, 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, evar, want_cross): |
| popen_exceptions = {} |
| compilers, ccache, is_cross, exe_wrap = self._get_compilers(lang, evar, want_cross) |
| for compiler in compilers: |
| if isinstance(compiler, str): |
| compiler = [compiler] |
| if 'cl' in compiler or 'cl.exe' in 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 = '/?' |
| else: |
| 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: |
| defines = self.get_gnu_compiler_defines(compiler) |
| if not defines: |
| popen_exceptions[' '.join(compiler)] = 'no pre-processor defines' |
| continue |
| gtype = self.get_gnu_compiler_type(defines) |
| version = self.get_gnu_version_from_defines(defines) |
| cls = GnuCCompiler if lang == 'c' else GnuCPPCompiler |
| return cls(ccache + compiler, version, gtype, is_cross, exe_wrap, defines) |
| if 'clang' in out: |
| if 'Apple' in out or mesonlib.for_darwin(want_cross, self): |
| cltype = CLANG_OSX |
| elif 'windows' in out or mesonlib.for_windows(want_cross, self): |
| cltype = CLANG_WIN |
| else: |
| cltype = CLANG_STANDARD |
| cls = ClangCCompiler if lang == 'c' else ClangCPPCompiler |
| return cls(ccache + compiler, version, cltype, is_cross, exe_wrap) |
| 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. |
| version = search_version(err) |
| if version == 'unknown version': |
| version = search_version(out) |
| if version == 'unknown version': |
| m = 'Failed to detect MSVC compiler arch: stderr was\n{!r}' |
| raise EnvironmentException(m.format(err)) |
| is_64 = err.split('\n')[0].endswith(' x64') |
| cls = VisualStudioCCompiler if lang == 'c' else VisualStudioCPPCompiler |
| return cls(compiler, version, is_cross, exe_wrap, is_64) |
| if '(ICC)' in out: |
| # TODO: add microsoft add check OSX |
| inteltype = ICC_STANDARD |
| cls = IntelCCompiler if lang == 'c' else IntelCPPCompiler |
| return cls(ccache + compiler, version, inteltype, is_cross, exe_wrap) |
| self._handle_exceptions(popen_exceptions, compilers) |
| |
| def detect_c_compiler(self, want_cross): |
| return self._detect_c_or_cpp_compiler('c', 'CC', want_cross) |
| |
| def detect_cpp_compiler(self, want_cross): |
| return self._detect_c_or_cpp_compiler('cpp', 'CXX', want_cross) |
| |
| def detect_fortran_compiler(self, want_cross): |
| popen_exceptions = {} |
| compilers, ccache, is_cross, exe_wrap = self._get_compilers('fortran', 'FC', want_cross) |
| 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) |
| |
| if 'GNU Fortran' in out: |
| defines = self.get_gnu_compiler_defines(compiler) |
| if not defines: |
| popen_exceptions[' '.join(compiler)] = 'no pre-processor defines' |
| continue |
| gtype = self.get_gnu_compiler_type(defines) |
| version = self.get_gnu_version_from_defines(defines) |
| return GnuFortranCompiler(compiler, version, gtype, is_cross, exe_wrap, defines) |
| |
| if 'G95' in out: |
| return G95FortranCompiler(compiler, version, is_cross, exe_wrap) |
| |
| if 'Sun Fortran' in err: |
| version = search_version(err) |
| return SunFortranCompiler(compiler, version, is_cross, exe_wrap) |
| |
| if 'ifort (IFORT)' in out: |
| return IntelFortranCompiler(compiler, version, is_cross, exe_wrap) |
| |
| if 'PathScale EKOPath(tm)' in err: |
| return PathScaleFortranCompiler(compiler, version, is_cross, exe_wrap) |
| |
| if 'PGI Compilers' in out: |
| return PGIFortranCompiler(compiler, version, is_cross, exe_wrap) |
| |
| if 'Open64 Compiler Suite' in err: |
| return Open64FortranCompiler(compiler, version, is_cross, exe_wrap) |
| |
| if 'NAG Fortran' in err: |
| return NAGFortranCompiler(compiler, version, is_cross, exe_wrap) |
| self._handle_exceptions(popen_exceptions, compilers) |
| |
| def get_scratch_dir(self): |
| return self.scratch_dir |
| |
| def get_depfixer(self): |
| path = os.path.split(__file__)[0] |
| return os.path.join(path, 'depfixer.py') |
| |
| def detect_objc_compiler(self, want_cross): |
| popen_exceptions = {} |
| compilers, ccache, is_cross, exe_wrap = self._get_compilers('objc', 'OBJC', want_cross) |
| 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: |
| defines = self.get_gnu_compiler_defines(compiler) |
| if not defines: |
| popen_exceptions[' '.join(compiler)] = 'no pre-processor defines' |
| continue |
| gtype = self.get_gnu_compiler_type(defines) |
| version = self.get_gnu_version_from_defines(defines) |
| return GnuObjCCompiler(ccache + compiler, version, gtype, is_cross, exe_wrap, defines) |
| if out.startswith('Apple LLVM'): |
| return ClangObjCCompiler(ccache + compiler, version, CLANG_OSX, is_cross, exe_wrap) |
| if out.startswith('clang'): |
| return ClangObjCCompiler(ccache + compiler, version, CLANG_STANDARD, is_cross, exe_wrap) |
| self._handle_exceptions(popen_exceptions, compilers) |
| |
| def detect_objcpp_compiler(self, want_cross): |
| popen_exceptions = {} |
| compilers, ccache, is_cross, exe_wrap = self._get_compilers('objcpp', 'OBJCXX', want_cross) |
| 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: |
| defines = self.get_gnu_compiler_defines(compiler) |
| if not defines: |
| popen_exceptions[' '.join(compiler)] = 'no pre-processor defines' |
| continue |
| gtype = self.get_gnu_compiler_type(defines) |
| version = self.get_gnu_version_from_defines(defines) |
| return GnuObjCPPCompiler(ccache + compiler, version, gtype, is_cross, exe_wrap, defines) |
| if out.startswith('Apple LLVM'): |
| return ClangObjCPPCompiler(ccache + compiler, version, CLANG_OSX, is_cross, exe_wrap) |
| if out.startswith('clang'): |
| return ClangObjCPPCompiler(ccache + compiler, version, CLANG_STANDARD, is_cross, exe_wrap) |
| self._handle_exceptions(popen_exceptions, compilers) |
| |
| def detect_java_compiler(self): |
| exelist = ['javac'] |
| try: |
| p, out, err = Popen_safe(exelist + ['-version']) |
| except OSError: |
| raise EnvironmentException('Could not execute Java compiler "%s"' % ' '.join(exelist)) |
| version = search_version(err) |
| if 'javac' in err: |
| return JavaCompiler(exelist, version) |
| raise EnvironmentException('Unknown compiler "' + ' '.join(exelist) + '"') |
| |
| def detect_cs_compiler(self): |
| exelist = ['mcs'] |
| try: |
| p, out, err = Popen_safe(exelist + ['--version']) |
| except OSError: |
| raise EnvironmentException('Could not execute C# compiler "%s"' % ' '.join(exelist)) |
| version = search_version(out) |
| if 'Mono' in out: |
| return MonoCompiler(exelist, version) |
| raise EnvironmentException('Unknown compiler "' + ' '.join(exelist) + '"') |
| |
| def detect_vala_compiler(self): |
| if 'VALAC' in os.environ: |
| exelist = shlex.split(os.environ['VALAC']) |
| else: |
| exelist = ['valac'] |
| 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) |
| raise EnvironmentException('Unknown compiler "' + ' '.join(exelist) + '"') |
| |
| def detect_rust_compiler(self): |
| exelist = ['rustc'] |
| try: |
| p, out = Popen_safe(exelist + ['--version'])[0:2] |
| except OSError: |
| raise EnvironmentException('Could not execute Rust compiler "%s"' % ' '.join(exelist)) |
| version = search_version(out) |
| if 'rustc' in out: |
| return RustCompiler(exelist, version) |
| raise EnvironmentException('Unknown compiler "' + ' '.join(exelist) + '"') |
| |
| def detect_d_compiler(self, want_cross): |
| is_cross = False |
| # 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 'DC' in os.environ: |
| exelist = shlex.split(os.environ['DC']) |
| elif self.is_cross_build() and want_cross: |
| exelist = mesonlib.stringlistify(self.cross_info.config['binaries']['d']) |
| is_cross = True |
| elif shutil.which("ldc2"): |
| exelist = ['ldc2'] |
| elif shutil.which("ldc"): |
| exelist = ['ldc'] |
| elif shutil.which("gdc"): |
| exelist = ['gdc'] |
| elif shutil.which("dmd"): |
| exelist = ['dmd'] |
| 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) |
| if 'LLVM D compiler' in out: |
| return compilers.LLVMDCompiler(exelist, version, is_cross) |
| elif 'gdc' in out: |
| return compilers.GnuDCompiler(exelist, version, is_cross) |
| elif 'The D Language Foundation' in out or 'Digital Mars' in out: |
| return compilers.DmdDCompiler(exelist, version, is_cross) |
| raise EnvironmentException('Unknown compiler "' + ' '.join(exelist) + '"') |
| |
| def detect_swift_compiler(self): |
| exelist = ['swiftc'] |
| 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) |
| raise EnvironmentException('Unknown compiler "' + ' '.join(exelist) + '"') |
| |
| def detect_static_linker(self, compiler): |
| if compiler.is_cross: |
| linker = self.cross_info.config['binaries']['ar'] |
| if isinstance(linker, str): |
| linker = [linker] |
| linkers = [linker] |
| else: |
| evar = 'AR' |
| if evar in os.environ: |
| linkers = [shlex.split(os.environ[evar])] |
| elif isinstance(compiler, compilers.VisualStudioCCompiler): |
| linkers = [self.vs_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] |
| else: |
| linkers = [self.default_static_linker] |
| popen_exceptions = {} |
| for linker in linkers: |
| if 'lib' in linker or 'lib.exe' in 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 '/OUT:' in out or '/OUT:' in err: |
| return VisualStudioLinker(linker) |
| if p.returncode == 0: |
| return ArLinker(linker) |
| if p.returncode == 1 and err.startswith('usage'): # OSX |
| return ArLinker(linker) |
| self._handle_exceptions(popen_exceptions, linkers, 'linker') |
| raise EnvironmentException('Unknown static linker "%s"' % ' '.join(linkers)) |
| |
| def detect_ccache(self): |
| try: |
| has_ccache = subprocess.call(['ccache', '--version'], stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
| except OSError: |
| has_ccache = 1 |
| if has_ccache == 0: |
| cmdlist = ['ccache'] |
| else: |
| cmdlist = [] |
| return cmdlist |
| |
| def get_source_dir(self): |
| return self.source_dir |
| |
| def get_build_dir(self): |
| return self.build_dir |
| |
| def get_exe_suffix(self): |
| return self.exe_suffix |
| |
| def get_import_lib_dir(self): |
| "Install dir for the import library (library used for linking)" |
| return self.get_libdir() |
| |
| def get_shared_module_dir(self): |
| "Install dir for shared modules that are loaded at runtime" |
| return self.get_libdir() |
| |
| def get_shared_lib_dir(self): |
| "Install dir for the shared library" |
| if self.win_libdir_layout: |
| return self.get_bindir() |
| return self.get_libdir() |
| |
| def get_static_lib_dir(self): |
| "Install dir for the static library" |
| return self.get_libdir() |
| |
| def get_object_suffix(self): |
| return self.object_suffix |
| |
| def get_prefix(self): |
| return self.coredata.get_builtin_option('prefix') |
| |
| def get_libdir(self): |
| return self.coredata.get_builtin_option('libdir') |
| |
| def get_libexecdir(self): |
| return self.coredata.get_builtin_option('libexecdir') |
| |
| def get_bindir(self): |
| return self.coredata.get_builtin_option('bindir') |
| |
| def get_includedir(self): |
| return self.coredata.get_builtin_option('includedir') |
| |
| def get_mandir(self): |
| return self.coredata.get_builtin_option('mandir') |
| |
| def get_datadir(self): |
| return self.coredata.get_builtin_option('datadir') |
| |
| def get_compiler_system_dirs(self): |
| for comp in self.coredata.compilers.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 get_args_from_envvars(compiler): |
| """ |
| @compiler: Compiler to fetch environment flags for |
| |
| Returns a tuple of (compile_flags, link_flags) for the specified language |
| from the inherited environment |
| """ |
| def log_var(var, val): |
| if val: |
| mlog.log('Appending {} from environment: {!r}'.format(var, val)) |
| |
| lang = compiler.get_language() |
| compiler_is_linker = False |
| if hasattr(compiler, 'get_linker_exelist'): |
| compiler_is_linker = (compiler.get_exelist() == compiler.get_linker_exelist()) |
| |
| if lang not in cflags_mapping: |
| return [], [], [] |
| |
| compile_flags = os.environ.get(cflags_mapping[lang], '') |
| log_var(cflags_mapping[lang], compile_flags) |
| compile_flags = shlex.split(compile_flags) |
| |
| # Link flags (same for all languages) |
| link_flags = os.environ.get('LDFLAGS', '') |
| log_var('LDFLAGS', link_flags) |
| link_flags = shlex.split(link_flags) |
| if compiler_is_linker: |
| # When the compiler is used as a wrapper around the linker (such as |
| # with GCC and Clang), the compile flags can be needed while linking |
| # too. This is also what Autotools does. However, we don't want to do |
| # this when the linker is stand-alone such as with MSVC C/C++, etc. |
| link_flags = compile_flags + link_flags |
| |
| # Pre-processor flags (not for fortran or D) |
| preproc_flags = '' |
| if lang in ('c', 'cpp', 'objc', 'objcpp'): |
| preproc_flags = os.environ.get('CPPFLAGS', '') |
| log_var('CPPFLAGS', preproc_flags) |
| preproc_flags = shlex.split(preproc_flags) |
| compile_flags += preproc_flags |
| |
| return preproc_flags, compile_flags, link_flags |
| |
| class CrossBuildInfo: |
| def __init__(self, filename): |
| self.config = {'properties': {}} |
| self.parse_datafile(filename) |
| if 'target_machine' in self.config: |
| return |
| if 'host_machine' not in self.config: |
| raise mesonlib.MesonException('Cross info file must have either host or a target machine.') |
| if 'binaries' not in self.config: |
| raise mesonlib.MesonException('Cross file is missing "binaries".') |
| |
| def ok_type(self, i): |
| return isinstance(i, (str, int, bool)) |
| |
| def parse_datafile(self, filename): |
| config = configparser.ConfigParser() |
| try: |
| with open(filename, 'r') as f: |
| config.read_file(f, filename) |
| except FileNotFoundError: |
| raise EnvironmentException('File not found: %s.' % filename) |
| # This is a bit hackish at the moment. |
| for s in config.sections(): |
| self.config[s] = {} |
| for entry in config[s]: |
| value = config[s][entry] |
| if ' ' in entry or '\t' in entry or "'" in entry or '"' in entry: |
| raise EnvironmentException('Malformed variable name %s in cross file..' % entry) |
| try: |
| res = eval(value, {'__builtins__': None}, {'true': True, 'false': False}) |
| except Exception: |
| raise EnvironmentException('Malformed value in cross file variable %s.' % entry) |
| if self.ok_type(res): |
| self.config[s][entry] = res |
| elif isinstance(res, list): |
| for i in res: |
| if not self.ok_type(i): |
| raise EnvironmentException('Malformed value in cross file variable %s.' % entry) |
| self.config[s][entry] = res |
| else: |
| raise EnvironmentException('Malformed value in cross file variable %s.' % entry) |
| |
| def has_host(self): |
| return 'host_machine' in self.config |
| |
| def has_target(self): |
| return 'target_machine' in self.config |
| |
| def has_stdlib(self, language): |
| return language + '_stdlib' in self.config['properties'] |
| |
| def get_stdlib(self, language): |
| return self.config['properties'][language + '_stdlib'] |
| |
| def get_properties(self): |
| return self.config['properties'] |
| |
| # Wehn compiling a cross compiler we use the native compiler for everything. |
| # But not when cross compiling a cross compiler. |
| def need_cross_compiler(self): |
| return 'host_machine' in self.config |
| |
| def need_exe_wrapper(self): |
| value = self.config['properties'].get('needs_exe_wrapper', None) |
| if value is not None: |
| return value |
| # 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 self.has_host() and detect_cpu_family({}) == 'x86_64' and \ |
| self.config['host_machine']['cpu_family'] == 'x86' and \ |
| self.config['host_machine']['system'] == detect_system(): |
| return False |
| return True |
| |
| |
| class MachineInfo: |
| def __init__(self, system, cpu_family, cpu, endian): |
| self.system = system |
| self.cpu_family = cpu_family |
| self.cpu = cpu |
| self.endian = endian |
