The Meson Build System
http://mesonbuild.com/
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722 lines
29 KiB
722 lines
29 KiB
# Copyright 2012-2016 The Meson development team |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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import os, re, subprocess |
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from . import coredata, mesonlib |
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from .compilers import * |
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import configparser |
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build_filename = 'meson.build' |
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class EnvironmentException(mesonlib.MesonException): |
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def __init__(self, *args, **kwargs): |
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super().__init__(*args, **kwargs) |
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def find_coverage_tools(): |
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gcovr_exe = 'gcovr' |
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lcov_exe = 'lcov' |
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genhtml_exe = 'genhtml' |
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if not mesonlib.exe_exists([gcovr_exe, '--version']): |
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gcovr_exe = None |
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if not mesonlib.exe_exists([lcov_exe, '--version']): |
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lcov_exe = None |
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if not mesonlib.exe_exists([genhtml_exe, '--version']): |
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genhtml_exe = None |
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return (gcovr_exe, lcov_exe, genhtml_exe) |
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def find_valgrind(): |
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valgrind_exe = 'valgrind' |
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if not mesonlib.exe_exists([valgrind_exe, '--version']): |
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valgrind_exe = None |
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return valgrind_exe |
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def detect_ninja(): |
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for n in ['ninja', 'ninja-build']: |
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try: |
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p = subprocess.Popen([n, '--version'], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL) |
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except FileNotFoundError: |
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continue |
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p.communicate() |
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if p.returncode == 0: |
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return n |
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class Environment(): |
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private_dir = 'meson-private' |
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log_dir = 'meson-logs' |
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coredata_file = os.path.join(private_dir, 'coredata.dat') |
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version_regex = '\d+(\.\d+)+(-[a-zA-Z0-9]+)?' |
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def __init__(self, source_dir, build_dir, main_script_file, options, original_cmd_line_args): |
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assert(os.path.isabs(main_script_file)) |
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assert(not os.path.islink(main_script_file)) |
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self.source_dir = source_dir |
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self.build_dir = build_dir |
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self.meson_script_file = main_script_file |
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self.scratch_dir = os.path.join(build_dir, Environment.private_dir) |
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self.log_dir = os.path.join(build_dir, Environment.log_dir) |
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os.makedirs(self.scratch_dir, exist_ok=True) |
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os.makedirs(self.log_dir, exist_ok=True) |
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try: |
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cdf = os.path.join(self.get_build_dir(), Environment.coredata_file) |
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self.coredata = coredata.load(cdf) |
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self.first_invocation = False |
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except FileNotFoundError: |
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self.coredata = coredata.CoreData(options) |
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self.first_invocation = True |
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if self.coredata.cross_file: |
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self.cross_info = CrossBuildInfo(self.coredata.cross_file) |
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else: |
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self.cross_info = None |
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self.cmd_line_options = options |
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self.original_cmd_line_args = original_cmd_line_args |
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# List of potential compilers. |
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if mesonlib.is_windows(): |
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self.default_c = ['cl', 'cc', 'gcc', 'clang'] |
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self.default_cpp = ['cl', 'c++', 'g++', 'clang++'] |
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else: |
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self.default_c = ['cc'] |
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self.default_cpp = ['c++'] |
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self.default_objc = ['cc'] |
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self.default_objcpp = ['c++'] |
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self.default_fortran = ['gfortran', 'g95', 'f95', 'f90', 'f77'] |
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self.default_static_linker = 'ar' |
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self.vs_static_linker = 'lib' |
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cross = self.is_cross_build() |
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if (not cross and mesonlib.is_windows()) \ |
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or (cross and self.cross_info.has_host() and self.cross_info.config['host_machine']['system'] == 'windows'): |
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self.exe_suffix = 'exe' |
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if self.detect_c_compiler(cross).get_id() == 'msvc': |
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self.import_lib_suffix = 'lib' |
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else: |
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# MinGW-GCC doesn't generate and can't link with a .lib |
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# It uses the DLL file as the import library |
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self.import_lib_suffix = 'dll' |
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self.shared_lib_suffix = 'dll' |
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self.shared_lib_prefix = '' |
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self.static_lib_suffix = 'lib' |
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self.static_lib_prefix = '' |
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self.object_suffix = 'obj' |
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else: |
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self.exe_suffix = '' |
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if (not cross and mesonlib.is_osx()) or \ |
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(cross and self.cross_info.has_host() and self.cross_info.config['host_machine']['system'] == 'darwin'): |
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self.shared_lib_suffix = 'dylib' |
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else: |
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self.shared_lib_suffix = 'so' |
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self.shared_lib_prefix = 'lib' |
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self.static_lib_suffix = 'a' |
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self.static_lib_prefix = 'lib' |
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self.object_suffix = 'o' |
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self.import_lib_suffix = self.shared_lib_suffix |
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def is_cross_build(self): |
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return self.cross_info is not None |
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def dump_coredata(self): |
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cdf = os.path.join(self.get_build_dir(), Environment.coredata_file) |
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coredata.save(self.coredata, cdf) |
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def get_script_dir(self): |
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return os.path.join(os.path.dirname(self.meson_script_file), '../scripts') |
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def get_log_dir(self): |
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return self.log_dir |
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def get_coredata(self): |
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return self.coredata |
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def get_build_command(self): |
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return self.meson_script_file |
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def is_header(self, fname): |
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return is_header(fname) |
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def is_source(self, fname): |
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return is_source(fname) |
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def is_object(self, fname): |
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return is_object(fname) |
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def is_library(self, fname): |
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return is_library(fname) |
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def had_argument_for(self, option): |
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trial1 = '--' + option |
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trial2 = '-D' + option |
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previous_is_plaind = False |
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for i in self.original_cmd_line_args: |
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if i.startswith(trial1) or i.startswith(trial2): |
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return True |
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if previous_is_plaind and i.startswith(option): |
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return True |
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previous_is_plaind = i == '-D' |
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return False |
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def merge_options(self, options): |
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for (name, value) in options.items(): |
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if name not in self.coredata.user_options: |
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self.coredata.user_options[name] = value |
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else: |
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oldval = self.coredata.user_options[name] |
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if type(oldval) != type(value): |
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self.coredata.user_options[name] = value |
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def detect_c_compiler(self, want_cross): |
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evar = 'CC' |
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if self.is_cross_build() and want_cross: |
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compilers = [self.cross_info.config['binaries']['c']] |
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ccache = [] |
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is_cross = True |
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exe_wrap = self.cross_info.config['binaries'].get('exe_wrapper', None) |
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elif evar in os.environ: |
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compilers = os.environ[evar].split() |
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ccache = [] |
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is_cross = False |
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exe_wrap = None |
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else: |
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compilers = self.default_c |
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ccache = self.detect_ccache() |
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is_cross = False |
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exe_wrap = None |
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popen_exceptions = {} |
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for compiler in compilers: |
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try: |
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basename = os.path.basename(compiler).lower() |
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if basename == 'cl' or basename == 'cl.exe': |
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arg = '/?' |
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else: |
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arg = '--version' |
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p = subprocess.Popen([compiler, arg], stdout=subprocess.PIPE, |
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stderr=subprocess.PIPE) |
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except OSError as e: |
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popen_exceptions[' '.join([compiler, arg])] = e |
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continue |
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(out, err) = p.communicate() |
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out = out.decode(errors='ignore') |
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err = err.decode(errors='ignore') |
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vmatch = re.search(Environment.version_regex, out) |
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if vmatch: |
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version = vmatch.group(0) |
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else: |
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version = 'unknown version' |
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if 'apple' in out and 'Free Software Foundation' in out: |
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return GnuCCompiler(ccache + [compiler], version, GCC_OSX, is_cross, exe_wrap) |
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if (out.startswith('cc') or 'gcc' in out) and \ |
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'Free Software Foundation' in out: |
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lowerout = out.lower() |
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if 'mingw' in lowerout or 'msys' in lowerout or 'mingw' in compiler.lower(): |
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gtype = GCC_MINGW |
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else: |
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gtype = GCC_STANDARD |
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return GnuCCompiler(ccache + [compiler], version, gtype, is_cross, exe_wrap) |
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if 'clang' in out: |
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if 'Apple' in out: |
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cltype = CLANG_OSX |
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else: |
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cltype = CLANG_STANDARD |
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return ClangCCompiler(ccache + [compiler], version, cltype, is_cross, exe_wrap) |
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if 'Microsoft' in out or 'Microsoft' in err: |
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# Visual Studio prints version number to stderr but |
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# everything else to stdout. Why? Lord only knows. |
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version = re.search(Environment.version_regex, err).group() |
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return VisualStudioCCompiler([compiler], version, is_cross, exe_wrap) |
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errmsg = 'Unknown compiler(s): "' + ', '.join(compilers) + '"' |
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if popen_exceptions: |
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errmsg += '\nThe follow exceptions were encountered:' |
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for (c, e) in popen_exceptions.items(): |
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errmsg += '\nRunning "{0}" gave "{1}"'.format(c, e) |
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raise EnvironmentException(errmsg) |
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def detect_fortran_compiler(self, want_cross): |
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evar = 'FC' |
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if self.is_cross_build() and want_cross: |
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compilers = [self.cross_info['fortran']] |
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is_cross = True |
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exe_wrap = self.cross_info.get('exe_wrapper', None) |
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elif evar in os.environ: |
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compilers = os.environ[evar].split() |
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is_cross = False |
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exe_wrap = None |
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else: |
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compilers = self.default_fortran |
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is_cross = False |
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exe_wrap = None |
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popen_exceptions = {} |
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for compiler in compilers: |
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for arg in ['--version', '-V']: |
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try: |
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p = subprocess.Popen([compiler, arg], |
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stdout=subprocess.PIPE, |
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stderr=subprocess.PIPE) |
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except OSError as e: |
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popen_exceptions[' '.join([compiler, arg])] = e |
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continue |
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(out, err) = p.communicate() |
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out = out.decode(errors='ignore') |
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err = err.decode(errors='ignore') |
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version = 'unknown version' |
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vmatch = re.search(Environment.version_regex, out) |
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if vmatch: |
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version = vmatch.group(0) |
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if 'GNU Fortran' in out: |
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return GnuFortranCompiler([compiler], version, GCC_STANDARD, is_cross, exe_wrap) |
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if 'G95' in out: |
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return G95FortranCompiler([compiler], version, is_cross, exe_wrap) |
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if 'Sun Fortran' in err: |
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version = 'unknown version' |
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vmatch = re.search(Environment.version_regex, err) |
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if vmatch: |
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version = vmatch.group(0) |
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return SunFortranCompiler([compiler], version, is_cross, exe_wrap) |
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if 'ifort (IFORT)' in out: |
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return IntelFortranCompiler([compiler], version, is_cross, exe_wrap) |
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if 'PathScale EKOPath(tm)' in err: |
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return PathScaleFortranCompiler([compiler], version, is_cross, exe_wrap) |
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if 'pgf90' in out: |
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return PGIFortranCompiler([compiler], version, is_cross, exe_wrap) |
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if 'Open64 Compiler Suite' in err: |
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return Open64FortranCompiler([compiler], version, is_cross, exe_wrap) |
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if 'NAG Fortran' in err: |
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return NAGFortranCompiler([compiler], version, is_cross, exe_wrap) |
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errmsg = 'Unknown compiler(s): "' + ', '.join(compilers) + '"' |
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if popen_exceptions: |
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errmsg += '\nThe follow exceptions were encountered:' |
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for (c, e) in popen_exceptions.items(): |
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errmsg += '\nRunning "{0}" gave "{1}"'.format(c, e) |
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raise EnvironmentException(errmsg) |
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def get_scratch_dir(self): |
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return self.scratch_dir |
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def get_depfixer(self): |
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path = os.path.split(__file__)[0] |
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return os.path.join(path, 'depfixer.py') |
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def detect_cpp_compiler(self, want_cross): |
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evar = 'CXX' |
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if self.is_cross_build() and want_cross: |
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compilers = [self.cross_info.config['binaries']['cpp']] |
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ccache = [] |
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is_cross = True |
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exe_wrap = self.cross_info.config['binaries'].get('exe_wrapper', None) |
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elif evar in os.environ: |
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compilers = os.environ[evar].split() |
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ccache = [] |
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is_cross = False |
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exe_wrap = None |
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else: |
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compilers = self.default_cpp |
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ccache = self.detect_ccache() |
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is_cross = False |
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exe_wrap = None |
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popen_exceptions = {} |
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for compiler in compilers: |
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basename = os.path.basename(compiler).lower() |
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if basename == 'cl' or basename == 'cl.exe': |
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arg = '/?' |
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else: |
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arg = '--version' |
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try: |
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p = subprocess.Popen([compiler, arg], |
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stdout=subprocess.PIPE, |
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stderr=subprocess.PIPE) |
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except OSError as e: |
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popen_exceptions[' '.join([compiler, arg])] = e |
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continue |
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(out, err) = p.communicate() |
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out = out.decode(errors='ignore') |
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err = err.decode(errors='ignore') |
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vmatch = re.search(Environment.version_regex, out) |
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if vmatch: |
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version = vmatch.group(0) |
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else: |
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version = 'unknown version' |
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if 'apple' in out and 'Free Software Foundation' in out: |
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return GnuCPPCompiler(ccache + [compiler], version, GCC_OSX, is_cross, exe_wrap) |
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if (out.startswith('c++ ') or 'g++' in out or 'GCC' in out) and \ |
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'Free Software Foundation' in out: |
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lowerout = out.lower() |
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if 'mingw' in lowerout or 'msys' in lowerout or 'mingw' in compiler.lower(): |
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gtype = GCC_MINGW |
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else: |
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gtype = GCC_STANDARD |
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return GnuCPPCompiler(ccache + [compiler], version, gtype, is_cross, exe_wrap) |
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if 'clang' in out: |
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if 'Apple' in out: |
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cltype = CLANG_OSX |
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else: |
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cltype = CLANG_STANDARD |
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return ClangCPPCompiler(ccache + [compiler], version, cltype, is_cross, exe_wrap) |
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if 'Microsoft' in out or 'Microsoft' in err: |
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version = re.search(Environment.version_regex, err).group() |
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return VisualStudioCPPCompiler([compiler], version, is_cross, exe_wrap) |
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errmsg = 'Unknown compiler(s): "' + ', '.join(compilers) + '"' |
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if popen_exceptions: |
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errmsg += '\nThe follow exceptions were encountered:' |
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for (c, e) in popen_exceptions.items(): |
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errmsg += '\nRunning "{0}" gave "{1}"'.format(c, e) |
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raise EnvironmentException(errmsg) |
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def detect_objc_compiler(self, want_cross): |
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if self.is_cross_build() and want_cross: |
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exelist = [self.cross_info['objc']] |
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is_cross = True |
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exe_wrap = self.cross_info.get('exe_wrapper', None) |
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else: |
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exelist = self.get_objc_compiler_exelist() |
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is_cross = False |
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exe_wrap = None |
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try: |
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p = subprocess.Popen(exelist + ['--version'], stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
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except OSError: |
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raise EnvironmentException('Could not execute ObjC compiler "%s"' % ' '.join(exelist)) |
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(out, err) = p.communicate() |
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out = out.decode(errors='ignore') |
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err = err.decode(errors='ignore') |
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vmatch = re.search(Environment.version_regex, out) |
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if vmatch: |
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version = vmatch.group(0) |
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else: |
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version = 'unknown version' |
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if (out.startswith('cc ') or 'gcc' in out) and \ |
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'Free Software Foundation' in out: |
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return GnuObjCCompiler(exelist, version, is_cross, exe_wrap) |
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if out.startswith('Apple LLVM'): |
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return ClangObjCCompiler(exelist, version, CLANG_OSX, is_cross, exe_wrap) |
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if 'apple' in out and 'Free Software Foundation' in out: |
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return GnuObjCCompiler(exelist, version, is_cross, exe_wrap) |
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raise EnvironmentException('Unknown compiler "' + ' '.join(exelist) + '"') |
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def detect_objcpp_compiler(self, want_cross): |
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if self.is_cross_build() and want_cross: |
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exelist = [self.cross_info['objcpp']] |
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is_cross = True |
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exe_wrap = self.cross_info.get('exe_wrapper', None) |
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else: |
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exelist = self.get_objcpp_compiler_exelist() |
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is_cross = False |
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exe_wrap = None |
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try: |
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p = subprocess.Popen(exelist + ['--version'], stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
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except OSError: |
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raise EnvironmentException('Could not execute ObjC++ compiler "%s"' % ' '.join(exelist)) |
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(out, err) = p.communicate() |
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out = out.decode(errors='ignore') |
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err = err.decode(errors='ignore') |
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vmatch = re.search(Environment.version_regex, out) |
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if vmatch: |
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version = vmatch.group(0) |
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else: |
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version = 'unknown version' |
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if (out.startswith('c++ ') or out.startswith('g++')) and \ |
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'Free Software Foundation' in out: |
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return GnuObjCPPCompiler(exelist, version, is_cross, exe_wrap) |
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if out.startswith('Apple LLVM'): |
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return ClangObjCPPCompiler(exelist, version, CLANG_OSX, is_cross, exe_wrap) |
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if 'apple' in out and 'Free Software Foundation' in out: |
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return GnuObjCPPCompiler(exelist, version, is_cross, exe_wrap) |
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raise EnvironmentException('Unknown compiler "' + ' '.join(exelist) + '"') |
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def detect_java_compiler(self): |
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exelist = ['javac'] |
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try: |
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p = subprocess.Popen(exelist + ['-version'], stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
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except OSError: |
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raise EnvironmentException('Could not execute Java compiler "%s"' % ' '.join(exelist)) |
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(out, err) = p.communicate() |
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out = out.decode(errors='ignore') |
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err = err.decode(errors='ignore') |
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vmatch = re.search(Environment.version_regex, err) |
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if vmatch: |
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version = vmatch.group(0) |
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else: |
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version = 'unknown version' |
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if 'javac' in err: |
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return JavaCompiler(exelist, version) |
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raise EnvironmentException('Unknown compiler "' + ' '.join(exelist) + '"') |
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def detect_cs_compiler(self): |
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exelist = ['mcs'] |
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try: |
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p = subprocess.Popen(exelist + ['--version'], stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
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except OSError: |
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raise EnvironmentException('Could not execute C# compiler "%s"' % ' '.join(exelist)) |
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(out, err) = p.communicate() |
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out = out.decode(errors='ignore') |
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err = err.decode(errors='ignore') |
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vmatch = re.search(Environment.version_regex, out) |
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if vmatch: |
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version = vmatch.group(0) |
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else: |
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version = 'unknown version' |
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if 'Mono' in out: |
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return MonoCompiler(exelist, version) |
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raise EnvironmentException('Unknown compiler "' + ' '.join(exelist) + '"') |
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def detect_vala_compiler(self): |
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exelist = ['valac'] |
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try: |
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p = subprocess.Popen(exelist + ['--version'], stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
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except OSError: |
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raise EnvironmentException('Could not execute Vala compiler "%s"' % ' '.join(exelist)) |
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(out, _) = p.communicate() |
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out = out.decode(errors='ignore') |
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vmatch = re.search(Environment.version_regex, out) |
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if vmatch: |
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version = vmatch.group(0) |
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else: |
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version = 'unknown version' |
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if 'Vala' in out: |
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return ValaCompiler(exelist, version) |
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raise EnvironmentException('Unknown compiler "' + ' '.join(exelist) + '"') |
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|
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def detect_rust_compiler(self): |
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exelist = ['rustc'] |
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try: |
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p = subprocess.Popen(exelist + ['--version'], stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
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except OSError: |
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raise EnvironmentException('Could not execute Rust compiler "%s"' % ' '.join(exelist)) |
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(out, _) = p.communicate() |
|
out = out.decode(errors='ignore') |
|
vmatch = re.search(Environment.version_regex, out) |
|
if vmatch: |
|
version = vmatch.group(0) |
|
else: |
|
version = 'unknown version' |
|
if 'rustc' in out: |
|
return RustCompiler(exelist, version) |
|
raise EnvironmentException('Unknown compiler "' + ' '.join(exelist) + '"') |
|
|
|
def detect_swift_compiler(self): |
|
exelist = ['swiftc'] |
|
try: |
|
p = subprocess.Popen(exelist + ['-v'], stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
|
except OSError: |
|
raise EnvironmentException('Could not execute Swift compiler "%s"' % ' '.join(exelist)) |
|
(_, err) = p.communicate() |
|
err = err.decode(errors='ignore') |
|
vmatch = re.search(Environment.version_regex, err) |
|
if vmatch: |
|
version = vmatch.group(0) |
|
else: |
|
version = 'unknown version' |
|
if 'Swift' in err: |
|
return 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'] |
|
else: |
|
evar = 'AR' |
|
if evar in os.environ: |
|
linker = os.environ[evar].strip() |
|
elif isinstance(compiler, VisualStudioCCompiler): |
|
linker= self.vs_static_linker |
|
else: |
|
linker = self.default_static_linker |
|
basename = os.path.basename(linker).lower() |
|
if basename == 'lib' or basename == 'lib.exe': |
|
arg = '/?' |
|
else: |
|
arg = '--version' |
|
try: |
|
p = subprocess.Popen([linker, arg], stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
|
except OSError: |
|
raise EnvironmentException('Could not execute static linker "%s".' % linker) |
|
(out, err) = p.communicate() |
|
out = out.decode(errors='ignore') |
|
err = err.decode(errors='ignore') |
|
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]) |
|
raise EnvironmentException('Unknown static linker "%s"' % linker) |
|
|
|
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_objc_compiler_exelist(self): |
|
ccachelist = self.detect_ccache() |
|
evar = 'OBJCC' |
|
if evar in os.environ: |
|
return os.environ[evar].split() |
|
return ccachelist + self.default_objc |
|
|
|
def get_objcpp_compiler_exelist(self): |
|
ccachelist = self.detect_ccache() |
|
evar = 'OBJCXX' |
|
if evar in os.environ: |
|
return os.environ[evar].split() |
|
return ccachelist + self.default_objcpp |
|
|
|
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 |
|
|
|
# On Windows (MSVC) the library has suffix dll |
|
# but you link against a file that has suffix lib. |
|
def get_import_lib_suffix(self): |
|
return self.import_lib_suffix |
|
|
|
def get_shared_lib_prefix(self): |
|
return self.shared_lib_prefix |
|
|
|
def get_shared_lib_suffix(self): |
|
return self.shared_lib_suffix |
|
|
|
def get_static_lib_prefix(self): |
|
return self.static_lib_prefix |
|
|
|
def get_static_lib_suffix(self): |
|
return self.static_lib_suffix |
|
|
|
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 find_library(self, libname, dirs): |
|
if dirs is None: |
|
dirs = mesonlib.get_library_dirs() |
|
suffixes = [self.get_shared_lib_suffix(), self.get_static_lib_suffix()] |
|
prefix = self.get_shared_lib_prefix() |
|
for d in dirs: |
|
for suffix in suffixes: |
|
trial = os.path.join(d, prefix + libname + '.' + suffix) |
|
if os.path.isfile(trial): |
|
return trial |
|
|
|
|
|
def get_args_from_envvars(lang): |
|
if lang == 'c': |
|
compile_args = os.environ.get('CFLAGS', '').split() |
|
link_args = compile_args + os.environ.get('LDFLAGS', '').split() |
|
compile_args += os.environ.get('CPPFLAGS', '').split() |
|
elif lang == 'cpp': |
|
compile_args = os.environ.get('CXXFLAGS', '').split() |
|
link_args = compile_args + os.environ.get('LDFLAGS', '').split() |
|
compile_args += os.environ.get('CPPFLAGS', '').split() |
|
elif lang == 'objc': |
|
compile_args = os.environ.get('OBJCFLAGS', '').split() |
|
link_args = compile_args + os.environ.get('LDFLAGS', '').split() |
|
compile_args += os.environ.get('CPPFLAGS', '').split() |
|
elif lang == 'objcpp': |
|
compile_args = os.environ.get('OBJCXXFLAGS', '').split() |
|
link_args = compile_args + os.environ.get('LDFLAGS', '').split() |
|
compile_args += os.environ.get('CPPFLAGS', '').split() |
|
elif lang == 'fortran': |
|
compile_args = os.environ.get('FFLAGS', '').split() |
|
link_args = compile_args + os.environ.get('LDFLAGS', '').split() |
|
else: |
|
compile_args = [] |
|
link_args = [] |
|
return (compile_args, link_args) |
|
|
|
class CrossBuildInfo(): |
|
def __init__(self, filename): |
|
self.config = {} |
|
self.parse_datafile(filename) |
|
if 'target_machine' in self.config: |
|
return |
|
if not 'host_machine' in self.config: |
|
raise mesonlib.MesonException('Cross info file must have either host or a target machine.') |
|
if not 'properties' in self.config: |
|
raise mesonlib.MesonException('Cross file is missing "properties".') |
|
if not 'binaries' in self.config: |
|
raise mesonlib.MesonException('Cross file is missing "binaries".') |
|
|
|
def ok_type(self, i): |
|
return isinstance(i, str) or isinstance(i, int) or isinstance(i, bool) |
|
|
|
def parse_datafile(self, filename): |
|
config = configparser.ConfigParser() |
|
config.read(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..' % varname) |
|
try: |
|
res = eval(value, {'true' : True, 'false' : False}) |
|
except Exception: |
|
raise EnvironmentException('Malformed value in cross file variable %s.' % varname) |
|
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.' % varname) |
|
self.config[s][entry] = res |
|
else: |
|
raise EnvironmentException('Malformed value in cross file variable %s.' % varname) |
|
|
|
def has_host(self): |
|
return 'host_machine' in self.config |
|
|
|
def has_target(self): |
|
return 'target_machine' in self.config |
|
|
|
# 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
|
|
|