| # 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, sys, shlex, shutil, subprocess |
| |
| from . import coredata |
| from .linkers import ArLinker, ArmarLinker, VisualStudioLinker, DLinker, CcrxLinker |
| from . import mesonlib |
| from .mesonlib import MesonException, EnvironmentException, PerMachine, Popen_safe |
| from . import mlog |
| |
| from . import compilers |
| from .compilers import ( |
| CompilerType, |
| is_assembly, |
| is_header, |
| is_library, |
| is_llvm_ir, |
| is_object, |
| is_source, |
| ) |
| from .compilers import ( |
| ArmCCompiler, |
| ArmCPPCompiler, |
| ArmclangCCompiler, |
| ArmclangCPPCompiler, |
| ClangCCompiler, |
| ClangCPPCompiler, |
| ClangObjCCompiler, |
| ClangObjCPPCompiler, |
| ClangClCCompiler, |
| ClangClCPPCompiler, |
| G95FortranCompiler, |
| GnuCCompiler, |
| GnuCPPCompiler, |
| GnuFortranCompiler, |
| GnuObjCCompiler, |
| GnuObjCPPCompiler, |
| ElbrusCCompiler, |
| ElbrusCPPCompiler, |
| ElbrusFortranCompiler, |
| IntelCCompiler, |
| IntelCPPCompiler, |
| IntelFortranCompiler, |
| JavaCompiler, |
| MonoCompiler, |
| VisualStudioCsCompiler, |
| NAGFortranCompiler, |
| Open64FortranCompiler, |
| PathScaleFortranCompiler, |
| PGIFortranCompiler, |
| RustCompiler, |
| CcrxCCompiler, |
| CcrxCPPCompiler, |
| SunFortranCompiler, |
| ValaCompiler, |
| VisualStudioCCompiler, |
| VisualStudioCPPCompiler, |
| ) |
| |
| build_filename = 'meson.build' |
| |
| known_cpu_families = ( |
| 'aarch64', |
| 'arc', |
| 'arm', |
| 'e2k', |
| 'ia64', |
| 'mips', |
| 'mips64', |
| 'parisc', |
| 'ppc', |
| 'ppc64', |
| 'riscv32', |
| 'riscv64', |
| 'rl78', |
| 'rx', |
| 's390x', |
| 'sparc', |
| 'sparc64', |
| 'x86', |
| 'x86_64' |
| ) |
| |
| def detect_gcovr(version='3.1', 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: |
| if log: |
| mlog.log('Found gcovr-{} at {}'.format(found, shlex.quote(shutil.which(gcovr_exe)))) |
| return gcovr_exe, mesonlib.version_compare(found, '>=' + 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='1.5', log=False): |
| for n in ['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): |
| 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: |
| if float(compiler.get_toolset_version()) < 10.0: |
| # On MSVC 2008 and earlier, check 'BUILD_PLAT', where |
| # 'Win32' means 'x86' |
| platform = os.environ.get('BUILD_PLAT', os_arch) |
| if platform == 'Win32': |
| return 'x86' |
| elif 'VSCMD_ARG_TGT_ARCH' in os.environ: |
| # On MSVC 2017 'Platform' is not set in VsDevCmd.bat |
| return os.environ['VSCMD_ARG_TGT_ARCH'] |
| else: |
| # Starting with VS 2017, `Platform` is not always set (f.ex., |
| # if you use VsDevCmd.bat directly instead of vcvars*.bat), but |
| # `VSCMD_ARG_HOST_ARCH` is always set, so try that first. |
| if 'VSCMD_ARG_HOST_ARCH' in os.environ: |
| platform = os.environ['VSCMD_ARG_HOST_ARCH'].lower() |
| # On VS 2010-2015, 'Platform' is only set when the |
| # target arch is not 'x86'. It's 'x64' when targeting |
| # x86_64 and 'arm' when targeting ARM. |
| else: |
| platform = os.environ.get('Platform', 'x86').lower() |
| if platform == 'x86': |
| return platform |
| if compiler.id == 'clang-cl' and not compiler.is_64: |
| return 'x86' |
| if compiler.id == 'gcc' and compiler.has_builtin_define('__i386__'): |
| return 'x86' |
| return os_arch |
| |
| def any_compiler_has_define(compilers, 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): |
| """ |
| 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'): |
| trial = 'x86' |
| elif trial.startswith('arm'): |
| trial = 'arm' |
| elif trial.startswith('ppc64'): |
| trial = 'ppc64' |
| elif trial == 'powerpc': |
| trial = 'ppc' |
| # FreeBSD calls both ppc and ppc64 "powerpc". |
| # https://github.com/mesonbuild/meson/issues/4397 |
| try: |
| p, stdo, _ = Popen_safe(['uname', '-p']) |
| except (FileNotFoundError, PermissionError): |
| # Not much to go on here. |
| if sys.maxsize > 2**32: |
| trial = 'ppc64' |
| if 'powerpc64' in stdo: |
| trial = 'ppc64' |
| elif trial in ('amd64', 'x64'): |
| 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. |
| |
| 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): |
| 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 |
| 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 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' |
| |
| def __init__(self, source_dir, build_dir, options): |
| self.source_dir = source_dir |
| self.build_dir = build_dir |
| 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: |
| 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 |
| self.exe_wrapper = None |
| |
| self.machines = MachineInfos() |
| # Will be fully initialized later using compilers later. |
| self.machines.detect_build() |
| if self.coredata.cross_file: |
| self.cross_info = CrossBuildInfo(self.coredata.cross_file) |
| if 'exe_wrapper' in self.cross_info.config['binaries']: |
| from .dependencies import ExternalProgram |
| self.exe_wrapper = ExternalProgram.from_bin_list( |
| self.cross_info.config['binaries'], 'exe_wrapper') |
| if 'host_machine' in self.cross_info.config: |
| self.machines.host = MachineInfo.from_literal( |
| self.cross_info.config['host_machine']) |
| if 'target_machine' in self.cross_info.config: |
| self.machines.target = MachineInfo.from_literal( |
| self.cross_info.config['target_machine']) |
| else: |
| self.cross_info = None |
| self.machines.default_missing() |
| |
| if self.coredata.config_files: |
| self.config_info = coredata.ConfigData( |
| coredata.load_configs(self.coredata.config_files)) |
| else: |
| self.config_info = coredata.ConfigData() |
| |
| self.cmd_line_options = options.cmd_line_options.copy() |
| |
| # List of potential compilers. |
| if mesonlib.is_windows(): |
| self.default_c = ['cl', 'cc', 'gcc', 'clang', 'clang-cl'] |
| self.default_cpp = ['cl', 'c++', 'g++', 'clang++', 'clang-cl'] |
| else: |
| self.default_c = ['cc', 'gcc', 'clang'] |
| self.default_cpp = ['c++', 'g++', 'clang++'] |
| 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_fortran = ['gfortran', 'g95', 'f95', 'f90', 'f77', 'ifort'] |
| self.default_java = ['javac'] |
| self.default_rust = ['rustc'] |
| self.default_swift = ['swiftc'] |
| self.default_vala = ['valac'] |
| self.default_static_linker = ['ar'] |
| self.vs_static_linker = ['lib'] |
| self.clang_cl_static_linker = ['llvm-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 mesonlib.for_windows(cross, self): |
| self.exe_suffix = 'exe' |
| self.object_suffix = 'obj' |
| self.win_libdir_layout = True |
| elif mesonlib.for_cygwin(cross, self): |
| 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( |
| os.environ[BinaryTable.evarMap['strip']]) |
| else: |
| self.native_strip_bin = ['strip'] |
| |
| 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) |
| # Used by the regenchecker script, which runs meson |
| self.coredata.meson_command = mesonlib.meson_command |
| self.first_invocation = True |
| |
| def is_cross_build(self): |
| return self.cross_info is not None |
| |
| 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) |
| |
| 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, want_cross): |
| ''' |
| The list of compilers is detected in the exact same way for |
| C, C++, ObjC, ObjC++, Fortran, CS so consolidate it here. |
| ''' |
| is_cross = False |
| exe_wrap = None |
| evar = BinaryTable.evarMap[lang] |
| |
| if self.is_cross_build() and want_cross: |
| if lang not in self.cross_info.config['binaries']: |
| raise EnvironmentException('{!r} compiler binary not defined in cross file'.format(lang)) |
| compilers, ccache = BinaryTable.parse_entry( |
| mesonlib.stringlistify(self.cross_info.config['binaries'][lang])) |
| BinaryTable.warn_about_lang_pointing_to_cross(compilers[0], evar) |
| # Return value has to be a list of compiler 'choices' |
| compilers = [compilers] |
| is_cross = True |
| exe_wrap = self.get_exe_wrapper() |
| elif evar in os.environ: |
| compilers, ccache = BinaryTable.parse_entry( |
| shlex.split(os.environ[evar])) |
| # Return value has to be a list of compiler 'choices' |
| compilers = [compilers] |
| elif lang in self.config_info.binaries: |
| compilers, ccache = BinaryTable.parse_entry( |
| mesonlib.stringlistify(self.config_info.binaries[lang])) |
| compilers = [compilers] |
| else: |
| compilers = getattr(self, 'default_' + lang) |
| ccache = BinaryTable.detect_ccache() |
| 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, want_cross): |
| popen_exceptions = {} |
| compilers, ccache, is_cross, exe_wrap = self._get_compilers(lang, want_cross) |
| 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' |
| 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: |
| 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, is_cross, exe_wrap, defines, 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, 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) |
| is_64 = 'Target: x86_64' in out |
| cls = ClangClCCompiler if lang == 'c' else ClangClCPPCompiler |
| return cls(compiler, version, is_cross, exe_wrap, is_64) |
| if 'clang' in out: |
| if 'Apple' in out or mesonlib.for_darwin(want_cross, self): |
| compiler_type = CompilerType.CLANG_OSX |
| elif 'windows' in out or mesonlib.for_windows(want_cross, self): |
| 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, is_cross, exe_wrap, full_version=full_version) |
| 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: |
| if mesonlib.for_darwin(want_cross, self): |
| compiler_type = CompilerType.ICC_OSX |
| elif mesonlib.for_windows(want_cross, self): |
| # 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, 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, 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, is_cross, exe_wrap, full_version=full_version) |
| |
| self._handle_exceptions(popen_exceptions, compilers) |
| |
| def detect_c_compiler(self, want_cross): |
| return self._detect_c_or_cpp_compiler('c', want_cross) |
| |
| def detect_cpp_compiler(self, want_cross): |
| return self._detect_c_or_cpp_compiler('cpp', want_cross) |
| |
| def detect_fortran_compiler(self, want_cross): |
| popen_exceptions = {} |
| compilers, ccache, is_cross, exe_wrap = self._get_compilers('fortran', 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) |
| 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, is_cross, exe_wrap, defines, full_version=full_version) |
| |
| if 'G95' in out: |
| return G95FortranCompiler(compiler, version, is_cross, exe_wrap, full_version=full_version) |
| |
| if 'Sun Fortran' in err: |
| version = search_version(err) |
| return SunFortranCompiler(compiler, version, is_cross, exe_wrap, full_version=full_version) |
| |
| if 'ifort (IFORT)' in out: |
| return IntelFortranCompiler(compiler, version, is_cross, exe_wrap, full_version=full_version) |
| |
| if 'PathScale EKOPath(tm)' in err: |
| return PathScaleFortranCompiler(compiler, version, is_cross, exe_wrap, full_version=full_version) |
| |
| if 'PGI Compilers' in out: |
| return PGIFortranCompiler(compiler, version, is_cross, exe_wrap, full_version=full_version) |
| |
| if 'Open64 Compiler Suite' in err: |
| return Open64FortranCompiler(compiler, version, is_cross, exe_wrap, full_version=full_version) |
| |
| if 'NAG Fortran' in err: |
| return NAGFortranCompiler(compiler, version, 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, want_cross): |
| popen_exceptions = {} |
| compilers, ccache, is_cross, exe_wrap = self._get_compilers('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 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) |
| return GnuObjCCompiler(ccache + compiler, version, compiler_type, is_cross, exe_wrap, defines) |
| if out.startswith('Apple LLVM'): |
| return ClangObjCCompiler(ccache + compiler, version, CompilerType.CLANG_OSX, is_cross, exe_wrap) |
| if out.startswith('clang'): |
| return ClangObjCCompiler(ccache + compiler, version, CompilerType.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', 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 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) |
| return GnuObjCPPCompiler(ccache + compiler, version, compiler_type, is_cross, exe_wrap, defines) |
| if out.startswith('Apple LLVM'): |
| return ClangObjCPPCompiler(ccache + compiler, version, CompilerType.CLANG_OSX, is_cross, exe_wrap) |
| if out.startswith('clang'): |
| return ClangObjCPPCompiler(ccache + compiler, version, CompilerType.CLANG_STANDARD, is_cross, exe_wrap) |
| self._handle_exceptions(popen_exceptions, compilers) |
| |
| def detect_java_compiler(self): |
| if 'java' in self.config_info.binaries: |
| exelist = mesonlib.stringlistify(self.config_info.binaries['java']) |
| else: |
| # 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) |
| return JavaCompiler(exelist, version) |
| raise EnvironmentException('Unknown compiler "' + ' '.join(exelist) + '"') |
| |
| def detect_cs_compiler(self): |
| compilers, ccache, is_cross, exe_wrap = self._get_compilers('cs', False) |
| 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) |
| elif "Visual C#" in out: |
| return VisualStudioCsCompiler(comp, version) |
| |
| self._handle_exceptions(popen_exceptions, compilers) |
| |
| def detect_vala_compiler(self): |
| if 'VALAC' in os.environ: |
| exelist = shlex.split(os.environ['VALAC']) |
| elif 'vala' in self.config_info.binaries: |
| exelist = mesonlib.stringlistify(self.config_info.binaries['vala']) |
| else: |
| # 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) |
| raise EnvironmentException('Unknown compiler "' + ' '.join(exelist) + '"') |
| |
| def detect_rust_compiler(self, want_cross): |
| popen_exceptions = {} |
| compilers, ccache, is_cross, exe_wrap = self._get_compilers('rust', want_cross) |
| 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, is_cross, exe_wrap) |
| |
| self._handle_exceptions(popen_exceptions, compilers) |
| |
| 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']) |
| if os.path.basename(exelist[-1]).startswith(('ldmd', 'gdmd')): |
| raise EnvironmentException('Meson doesn\'t support %s as it\'s 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.' % exelist[-1]) |
| elif self.is_cross_build() and want_cross: |
| exelist = mesonlib.stringlistify(self.cross_info.config['binaries']['d']) |
| is_cross = True |
| elif 'd' in self.config_info.binaries: |
| exelist = mesonlib.stringlistify(self.config_info.binaries['d']) |
| 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(want_cross)} # 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, is_cross, arch, full_version=full_version) |
| elif 'gdc' in out: |
| return compilers.GnuDCompiler(exelist, version, is_cross, arch, full_version=full_version) |
| elif 'The D Language Foundation' in out or 'Digital Mars' in out: |
| return compilers.DmdDCompiler(exelist, version, is_cross, arch, full_version=full_version) |
| raise EnvironmentException('Unknown compiler "' + ' '.join(exelist) + '"') |
| |
| def detect_swift_compiler(self): |
| if 'swift' in self.config_info.binaries: |
| exelist = mesonlib.stringlistify(self.config_info.binaries['swift']) |
| else: |
| # 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) |
| 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 = BinaryTable.evarMap['ar'] |
| if evar in os.environ: |
| linkers = [shlex.split(os.environ[evar])] |
| elif isinstance(compiler, compilers.VisualStudioCCompiler): |
| 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()] |
| else: |
| linkers = [self.default_static_linker] |
| popen_exceptions = {} |
| for linker in linkers: |
| if not set(['lib', 'lib.exe', 'llvm-lib', 'llvm-lib.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 '/OUT:' in out.upper() or '/OUT:' in err.upper(): |
| return VisualStudioLinker(linker) |
| 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) |
| 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_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_exe_wrapper(self): |
| if not self.cross_info.need_exe_wrapper(): |
| from .dependencies import EmptyExternalProgram |
| return EmptyExternalProgram() |
| return self.exe_wrapper |
| |
| |
| class CrossBuildInfo: |
| def __init__(self, filename): |
| self.config = {'properties': {}} |
| self.parse_datafile(filename) |
| if 'host_machine' not in self.config and 'target_machine' not in self.config: |
| raise mesonlib.MesonException('Cross info file must have either host or a target machine.') |
| if 'host_machine' in self.config and 'binaries' not in self.config: |
| raise mesonlib.MesonException('Cross file with "host_machine" 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_host_system(self): |
| "Name of host system like 'linux', or None" |
| if self.has_host(): |
| return self.config['host_machine']['system'] |
| return None |
| |
| def get_properties(self): |
| return self.config['properties'] |
| |
| def get_root(self): |
| return self.get_properties().get('root', None) |
| |
| def get_sys_root(self): |
| return self.get_properties().get('sys_root', None) |
| |
| # When 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 |
| |
| def __eq__(self, other): |
| if self.__class__ is not other.__class__: |
| return NotImplemented |
| return \ |
| self.system == other.system and \ |
| self.cpu_family == other.cpu_family and \ |
| self.cpu == other.cpu and \ |
| self.endian == other.endian |
| |
| def __ne__(self, other): |
| if self.__class__ is not other.__class__: |
| return NotImplemented |
| return not self.__eq__(other) |
| |
| @staticmethod |
| def detect(compilers = None): |
| """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) |
| |
| @staticmethod |
| def from_literal(literal): |
| minimum_literal = {'cpu', 'cpu_family', 'endian', 'system'} |
| if set(literal) < minimum_literal: |
| raise EnvironmentException( |
| 'Machine info is currently {}\n'.format(literal) + |
| 'but is missing {}.'.format(minimum_literal - set(literal))) |
| |
| cpu_family = literal['cpu_family'] |
| if cpu_family not in known_cpu_families: |
| mlog.warning('Unknown CPU family %s, please report this at https://github.com/mesonbuild/meson/issues/new' % cpu_family) |
| |
| endian = literal['endian'] |
| if endian not in ('little', 'big'): |
| mlog.warning('Unknown endian %s' % endian) |
| |
| return MachineInfo( |
| literal['system'], |
| cpu_family, |
| literal['cpu'], |
| endian) |
| |
| def is_windows(self): |
| """ |
| Machine is windows? |
| """ |
| return self.system == 'windows' |
| |
| def is_cygwin(self): |
| """ |
| Machine is cygwin? |
| """ |
| return self.system == 'cygwin' |
| |
| def is_linux(self): |
| """ |
| Machine is linux? |
| """ |
| return self.system == 'linux' |
| |
| def is_darwin(self): |
| """ |
| Machine is Darwin (iOS/OS X)? |
| """ |
| return self.system in ('darwin', 'ios') |
| |
| def is_android(self): |
| """ |
| Machine is Android? |
| """ |
| return self.system == 'android' |
| |
| def is_haiku(self): |
| """ |
| Machine is Haiku? |
| """ |
| return self.system == 'haiku' |
| |
| def is_openbsd(self): |
| """ |
| Machine is OpenBSD? |
| """ |
| return self.system == 'openbsd' |
| |
| # Various prefixes and suffixes for import libraries, shared libraries, |
| # static libraries, and executables. |
| # Versioning is added to these names in the backends as-needed. |
| |
| def get_exe_suffix(self): |
| if self.is_windows() or self.is_cygwin(): |
| return 'exe' |
| else: |
| return '' |
| |
| def get_object_suffix(self): |
| if self.is_windows(): |
| return 'obj' |
| else: |
| return 'o' |
| |
| def libdir_layout_is_win(self): |
| return self.is_windows() \ |
| or self.is_cygwin() |
| |
| class MachineInfos(PerMachine): |
| def __init__(self): |
| super().__init__(None, None, None) |
| |
| def default_missing(self): |
| """Default host to buid and target to host. |
| |
| This allows just specifying nothing in the native case, just host in the |
| cross non-compiler case, and just target in the native-built |
| cross-compiler case. |
| """ |
| if self.host is None: |
| self.host = self.build |
| if self.target is None: |
| self.target = self.host |
| |
| def miss_defaulting(self): |
| """Unset definition duplicated from their previous to None |
| |
| This is the inverse of ''default_missing''. By removing defaulted |
| machines, we can elaborate the original and then redefault them and thus |
| avoid repeating the elaboration explicitly. |
| """ |
| if self.target == self.host: |
| self.target = None |
| if self.host == self.build: |
| self.host = None |
| |
| def detect_build(self, compilers = None): |
| self.build = MachineInfo.detect(compilers) |
| |
| class BinaryTable: |
| # Map from language identifiers to environment variables. |
| evarMap = { |
| # Compilers |
| 'c': 'CC', |
| 'cpp': 'CXX', |
| 'cs': 'CSC', |
| 'd': 'DC', |
| 'fortran': 'FC', |
| 'objc': 'OBJC', |
| 'objcpp': 'OBJCXX', |
| 'rust': 'RUSTC', |
| 'vala': 'VALAC', |
| |
| # Binutils |
| 'strip': 'STRIP', |
| 'ar': 'AR', |
| } |
| |
| @classmethod |
| def detect_ccache(cls): |
| 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 |
| |
| @classmethod |
| def warn_about_lang_pointing_to_cross(cls, compiler_exe, evar): |
| evar_str = os.environ.get(evar, 'WHO_WOULD_CALL_THEIR_COMPILER_WITH_THIS_NAME') |
| if evar_str == compiler_exe: |
| mlog.warning('''Env var %s seems to point to the cross compiler. |
| This is probably wrong, it should always point to the native compiler.''' % evar) |
| |
| @classmethod |
| def parse_entry(cls, entry): |
| compiler = mesonlib.stringlistify(entry) |
| # Ensure ccache exists and remove it if it doesn't |
| if compiler[0] == 'ccache': |
| compiler = compiler[1:] |
| ccache = cls.detect_ccache() |
| else: |
| ccache = [] |
| # Return value has to be a list of compiler 'choices' |
| return compiler, ccache |
