# Copyright 2013-2017 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. # This file contains the detection logic for miscellaneous external dependencies. import os import re import shlex import sysconfig from pathlib import Path from .. import mlog from .. import mesonlib from ..environment import detect_cpu_family from .base import ( DependencyException, DependencyMethods, ExternalDependency, ExternalProgram, ExtraFrameworkDependency, PkgConfigDependency, ConfigToolDependency, ) class MPIDependency(ExternalDependency): def __init__(self, environment, kwargs): language = kwargs.get('language', 'c') super().__init__('mpi', environment, language, kwargs) required = kwargs.pop('required', True) kwargs['required'] = False kwargs['silent'] = True self.is_found = False # NOTE: Only OpenMPI supplies a pkg-config file at the moment. if language == 'c': env_vars = ['MPICC'] pkgconfig_files = ['ompi-c'] default_wrappers = ['mpicc'] elif language == 'cpp': env_vars = ['MPICXX'] pkgconfig_files = ['ompi-cxx'] default_wrappers = ['mpic++', 'mpicxx', 'mpiCC'] elif language == 'fortran': env_vars = ['MPIFC', 'MPIF90', 'MPIF77'] pkgconfig_files = ['ompi-fort'] default_wrappers = ['mpifort', 'mpif90', 'mpif77'] else: raise DependencyException('Language {} is not supported with MPI.'.format(language)) for pkg in pkgconfig_files: try: pkgdep = PkgConfigDependency(pkg, environment, kwargs, language=self.language) if pkgdep.found(): self.compile_args = pkgdep.get_compile_args() self.link_args = pkgdep.get_link_args() self.version = pkgdep.get_version() self.is_found = True self.pcdep = pkgdep break except Exception: pass if not self.is_found: # Prefer environment. for var in env_vars: if var in os.environ: wrappers = [os.environ[var]] break else: # Or search for default wrappers. wrappers = default_wrappers for prog in wrappers: result = self._try_openmpi_wrapper(prog) if result is not None: self.is_found = True self.version = result[0] self.compile_args = self._filter_compile_args(result[1]) self.link_args = self._filter_link_args(result[2]) break result = self._try_other_wrapper(prog) if result is not None: self.is_found = True self.version = result[0] self.compile_args = self._filter_compile_args(result[1]) self.link_args = self._filter_link_args(result[2]) break if not self.is_found and mesonlib.is_windows(): result = self._try_msmpi() if result is not None: self.is_found = True self.version, self.compile_args, self.link_args = result if self.is_found: mlog.log('Dependency', mlog.bold(self.name), 'for', self.language, 'found:', mlog.green('YES'), self.version) else: mlog.log('Dependency', mlog.bold(self.name), 'for', self.language, 'found:', mlog.red('NO')) if required: raise DependencyException('MPI dependency {!r} not found'.format(self.name)) def _filter_compile_args(self, args): """ MPI wrappers return a bunch of garbage args. Drop -O2 and everything that is not needed. """ result = [] multi_args = ('-I', ) if self.language == 'fortran': fc = self.env.coredata.compilers['fortran'] multi_args += fc.get_module_incdir_args() include_next = False for f in args: if f.startswith(('-D', '-f') + multi_args) or f == '-pthread' \ or (f.startswith('-W') and f != '-Wall' and not f.startswith('-Werror')): result.append(f) if f in multi_args: # Path is a separate argument. include_next = True elif include_next: include_next = False result.append(f) return result def _filter_link_args(self, args): """ MPI wrappers return a bunch of garbage args. Drop -O2 and everything that is not needed. """ result = [] include_next = False for f in args: if f.startswith(('-L', '-l', '-Xlinker')) or f == '-pthread' \ or (f.startswith('-W') and f != '-Wall' and not f.startswith('-Werror')): result.append(f) if f in ('-L', '-Xlinker'): include_next = True elif include_next: include_next = False result.append(f) return result def _try_openmpi_wrapper(self, prog): prog = ExternalProgram(prog, silent=True) if prog.found(): cmd = prog.get_command() + ['--showme:compile'] p, o, e = mesonlib.Popen_safe(cmd) p.wait() if p.returncode != 0: mlog.debug('Command', mlog.bold(cmd), 'failed to run:') mlog.debug(mlog.bold('Standard output\n'), o) mlog.debug(mlog.bold('Standard error\n'), e) return cargs = shlex.split(o) cmd = prog.get_command() + ['--showme:link'] p, o, e = mesonlib.Popen_safe(cmd) p.wait() if p.returncode != 0: mlog.debug('Command', mlog.bold(cmd), 'failed to run:') mlog.debug(mlog.bold('Standard output\n'), o) mlog.debug(mlog.bold('Standard error\n'), e) return libs = shlex.split(o) cmd = prog.get_command() + ['--showme:version'] p, o, e = mesonlib.Popen_safe(cmd) p.wait() if p.returncode != 0: mlog.debug('Command', mlog.bold(cmd), 'failed to run:') mlog.debug(mlog.bold('Standard output\n'), o) mlog.debug(mlog.bold('Standard error\n'), e) return version = re.search('\d+.\d+.\d+', o) if version: version = version.group(0) else: version = 'none' return version, cargs, libs def _try_other_wrapper(self, prog): prog = ExternalProgram(prog, silent=True) if prog.found(): cmd = prog.get_command() + ['-show'] p, o, e = mesonlib.Popen_safe(cmd) p.wait() if p.returncode != 0: mlog.debug('Command', mlog.bold(cmd), 'failed to run:') mlog.debug(mlog.bold('Standard output\n'), o) mlog.debug(mlog.bold('Standard error\n'), e) return args = shlex.split(o) version = 'none' return version, args, args def _try_msmpi(self): if self.language == 'cpp': # MS-MPI does not support the C++ version of MPI, only the standard C API. return if 'MSMPI_INC' not in os.environ: return incdir = os.environ['MSMPI_INC'] arch = detect_cpu_family(self.env.coredata.compilers) if arch == 'x86': if 'MSMPI_LIB32' not in os.environ: return libdir = os.environ['MSMPI_LIB32'] post = 'x86' elif arch == 'x86_64': if 'MSMPI_LIB64' not in os.environ: return libdir = os.environ['MSMPI_LIB64'] post = 'x64' else: return if self.language == 'fortran': return ('none', ['-I' + incdir, '-I' + os.path.join(incdir, post)], [os.path.join(libdir, 'msmpi.lib'), os.path.join(libdir, 'msmpifec.lib')]) else: return ('none', ['-I' + incdir, '-I' + os.path.join(incdir, post)], [os.path.join(libdir, 'msmpi.lib')]) class OpenMPDependency(ExternalDependency): # Map date of specification release (which is the macro value) to a version. VERSIONS = { '201511': '4.5', '201307': '4.0', '201107': '3.1', '200805': '3.0', '200505': '2.5', '200203': '2.0', '199810': '1.0', } def __init__(self, environment, kwargs): language = kwargs.get('language') super().__init__('openmp', environment, language, kwargs) self.is_found = False try: openmp_date = self.clib_compiler.get_define('_OPENMP', '', self.env, [], [self]) except mesonlib.EnvironmentException as e: mlog.debug('OpenMP support not available in the compiler') mlog.debug(e) openmp_date = False if openmp_date: self.version = self.VERSIONS[openmp_date] if self.clib_compiler.has_header('omp.h', '', self.env, dependencies=[self]): self.is_found = True else: mlog.log(mlog.yellow('WARNING:'), 'OpenMP found but omp.h missing.') if self.is_found: mlog.log('Dependency', mlog.bold(self.name), 'found:', mlog.green('YES'), self.version) else: mlog.log('Dependency', mlog.bold(self.name), 'found:', mlog.red('NO')) def need_openmp(self): return True class ThreadDependency(ExternalDependency): def __init__(self, environment, kwargs): super().__init__('threads', environment, None, {}) self.name = 'threads' self.is_found = True mlog.log('Dependency', mlog.bold(self.name), 'found:', mlog.green('YES')) def need_threads(self): return True def get_version(self): return 'unknown' class Python3Dependency(ExternalDependency): def __init__(self, environment, kwargs): super().__init__('python3', environment, None, kwargs) self.name = 'python3' self.static = kwargs.get('static', False) # We can only be sure that it is Python 3 at this point self.version = '3' self.pkgdep = None if DependencyMethods.PKGCONFIG in self.methods: try: self.pkgdep = PkgConfigDependency('python3', environment, kwargs) if self.pkgdep.found(): self.compile_args = self.pkgdep.get_compile_args() self.link_args = self.pkgdep.get_link_args() self.version = self.pkgdep.get_version() self.is_found = True self.pcdep = self.pkgdep return else: self.pkgdep = None except Exception: pass if not self.is_found: if mesonlib.is_windows() and DependencyMethods.SYSCONFIG in self.methods: self._find_libpy3_windows(environment) elif mesonlib.is_osx() and DependencyMethods.EXTRAFRAMEWORK in self.methods: # In OSX the Python 3 framework does not have a version # number in its name. # There is a python in /System/Library/Frameworks, but that's # python 2, Python 3 will always bin in /Library fw = ExtraFrameworkDependency( 'python', False, '/Library/Frameworks', self.env, self.language, kwargs) if fw.found(): self.compile_args = fw.get_compile_args() self.link_args = fw.get_link_args() self.is_found = True if self.is_found: mlog.log('Dependency', mlog.bold(self.name), 'found:', mlog.green('YES')) else: mlog.log('Dependency', mlog.bold(self.name), 'found:', mlog.red('NO')) @staticmethod def get_windows_python_arch(): pyplat = sysconfig.get_platform() if pyplat == 'mingw': pycc = sysconfig.get_config_var('CC') if pycc.startswith('x86_64'): return '64' elif pycc.startswith(('i686', 'i386')): return '32' else: mlog.log('MinGW Python built with unknown CC {!r}, please file' 'a bug'.format(pycc)) return None elif pyplat == 'win32': return '32' elif pyplat in ('win64', 'win-amd64'): return '64' mlog.log('Unknown Windows Python platform {!r}'.format(pyplat)) return None def get_windows_link_args(self): pyplat = sysconfig.get_platform() if pyplat.startswith('win'): vernum = sysconfig.get_config_var('py_version_nodot') if self.static: libname = 'libpython{}.a'.format(vernum) else: libname = 'python{}.lib'.format(vernum) lib = Path(sysconfig.get_config_var('base')) / 'libs' / libname elif pyplat == 'mingw': if self.static: libname = sysconfig.get_config_var('LIBRARY') else: libname = sysconfig.get_config_var('LDLIBRARY') lib = Path(sysconfig.get_config_var('LIBDIR')) / libname if not lib.exists(): mlog.log('Could not find Python3 library {!r}'.format(str(lib))) return None return [str(lib)] def _find_libpy3_windows(self, env): ''' Find python3 libraries on Windows and also verify that the arch matches what we are building for. ''' pyarch = self.get_windows_python_arch() if pyarch is None: self.is_found = False return arch = detect_cpu_family(env.coredata.compilers) if arch == 'x86': arch = '32' elif arch == 'x86_64': arch = '64' else: # We can't cross-compile Python 3 dependencies on Windows yet mlog.log('Unknown architecture {!r} for'.format(arch), mlog.bold(self.name)) self.is_found = False return # Pyarch ends in '32' or '64' if arch != pyarch: mlog.log('Need', mlog.bold(self.name), 'for {}-bit, but ' 'found {}-bit'.format(arch, pyarch)) self.is_found = False return # This can fail if the library is not found largs = self.get_windows_link_args() if largs is None: self.is_found = False return self.link_args = largs # Compile args inc = sysconfig.get_path('include') platinc = sysconfig.get_path('platinclude') self.compile_args = ['-I' + inc] if inc != platinc: self.compile_args.append('-I' + platinc) self.version = sysconfig.get_config_var('py_version') self.is_found = True @staticmethod def get_methods(): if mesonlib.is_windows(): return [DependencyMethods.PKGCONFIG, DependencyMethods.SYSCONFIG] elif mesonlib.is_osx(): return [DependencyMethods.PKGCONFIG, DependencyMethods.EXTRAFRAMEWORK] else: return [DependencyMethods.PKGCONFIG] def get_pkgconfig_variable(self, variable_name, kwargs): if self.pkgdep: return self.pkgdep.get_pkgconfig_variable(variable_name, kwargs) else: return super().get_pkgconfig_variable(variable_name, kwargs) class PcapDependency(ExternalDependency): def __init__(self, environment, kwargs): super().__init__('pcap', environment, None, kwargs) @classmethod def _factory(cls, environment, kwargs): methods = cls._process_method_kw(kwargs) if DependencyMethods.PKGCONFIG in methods: try: pcdep = PkgConfigDependency('pcap', environment, kwargs) if pcdep.found(): return pcdep except Exception as e: mlog.debug('Pcap not found via pkgconfig. Trying next, error was:', str(e)) if DependencyMethods.CONFIG_TOOL in methods: try: ctdep = ConfigToolDependency.factory( 'pcap', environment, None, kwargs, ['pcap-config'], 'pcap-config') if ctdep.found(): ctdep.compile_args = ctdep.get_config_value(['--cflags'], 'compile_args') ctdep.link_args = ctdep.get_config_value(['--libs'], 'link_args') ctdep.version = cls.get_pcap_lib_version(ctdep) return ctdep except Exception as e: mlog.debug('Pcap not found via pcap-config. Trying next, error was:', str(e)) return PcapDependency(environment, kwargs) @staticmethod def get_methods(): if mesonlib.is_osx(): return [DependencyMethods.PKGCONFIG, DependencyMethods.CONFIG_TOOL, DependencyMethods.EXTRAFRAMEWORK] else: return [DependencyMethods.PKGCONFIG, DependencyMethods.CONFIG_TOOL] @staticmethod def get_pcap_lib_version(ctdep): return ctdep.clib_compiler.get_return_value('pcap_lib_version', 'string', '#include ', ctdep.env, [], [ctdep]) class CupsDependency(ExternalDependency): def __init__(self, environment, kwargs): super().__init__('cups', environment, None, kwargs) @classmethod def _factory(cls, environment, kwargs): methods = cls._process_method_kw(kwargs) if DependencyMethods.PKGCONFIG in methods: try: pcdep = PkgConfigDependency('cups', environment, kwargs) if pcdep.found(): return pcdep except Exception as e: mlog.debug('cups not found via pkgconfig. Trying next, error was:', str(e)) if DependencyMethods.CONFIG_TOOL in methods: try: ctdep = ConfigToolDependency.factory( 'cups', environment, None, kwargs, ['cups-config'], 'cups-config') if ctdep.found(): ctdep.compile_args = ctdep.get_config_value(['--cflags'], 'compile_args') ctdep.link_args = ctdep.get_config_value(['--ldflags', '--libs'], 'link_args') return ctdep except Exception as e: mlog.debug('cups not found via cups-config. Trying next, error was:', str(e)) if DependencyMethods.EXTRAFRAMEWORK in methods: if mesonlib.is_osx(): fwdep = ExtraFrameworkDependency('cups', False, None, environment, kwargs.get('language', None), kwargs) if fwdep.found(): return fwdep mlog.log('Dependency', mlog.bold('cups'), 'found:', mlog.red('NO')) return CupsDependency(environment, kwargs) @staticmethod def get_methods(): if mesonlib.is_osx(): return [DependencyMethods.PKGCONFIG, DependencyMethods.CONFIG_TOOL, DependencyMethods.EXTRAFRAMEWORK] else: return [DependencyMethods.PKGCONFIG, DependencyMethods.CONFIG_TOOL] class LibWmfDependency(ExternalDependency): def __init__(self, environment, kwargs): super().__init__('libwmf', environment, None, kwargs) @classmethod def _factory(cls, environment, kwargs): methods = cls._process_method_kw(kwargs) if DependencyMethods.PKGCONFIG in methods: try: kwargs['required'] = False pcdep = PkgConfigDependency('libwmf', environment, kwargs) if pcdep.found(): return pcdep except Exception as e: mlog.debug('LibWmf not found via pkgconfig. Trying next, error was:', str(e)) if DependencyMethods.CONFIG_TOOL in methods: try: ctdep = ConfigToolDependency.factory( 'libwmf', environment, None, kwargs, ['libwmf-config'], 'libwmf-config') if ctdep.found(): ctdep.compile_args = ctdep.get_config_value(['--cflags'], 'compile_args') ctdep.link_args = ctdep.get_config_value(['--libs'], 'link_args') return ctdep except Exception as e: mlog.debug('cups not found via libwmf-config. Trying next, error was:', str(e)) return LibWmfDependency(environment, kwargs) @staticmethod def get_methods(): if mesonlib.is_osx(): return [DependencyMethods.PKGCONFIG, DependencyMethods.CONFIG_TOOL, DependencyMethods.EXTRAFRAMEWORK] else: return [DependencyMethods.PKGCONFIG, DependencyMethods.CONFIG_TOOL]