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1206 lines
46 KiB
1206 lines
46 KiB
# Copyright 2012-2017 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 contextlib, os.path, re, tempfile |
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import subprocess |
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from ..linkers import StaticLinker |
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from .. import coredata |
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from .. import mlog |
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from .. import mesonlib |
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from ..mesonlib import EnvironmentException, MesonException, version_compare, Popen_safe |
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"""This file contains the data files of all compilers Meson knows |
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about. To support a new compiler, add its information below. |
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Also add corresponding autodetection code in environment.py.""" |
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header_suffixes = ('h', 'hh', 'hpp', 'hxx', 'H', 'ipp', 'moc', 'vapi', 'di') |
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obj_suffixes = ('o', 'obj', 'res') |
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lib_suffixes = ('a', 'lib', 'dll', 'dylib', 'so') |
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# Mapping of language to suffixes of files that should always be in that language |
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# This means we can't include .h headers here since they could be C, C++, ObjC, etc. |
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lang_suffixes = { |
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'c': ('c',), |
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'cpp': ('cpp', 'cc', 'cxx', 'c++', 'hh', 'hpp', 'ipp', 'hxx'), |
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# f90, f95, f03, f08 are for free-form fortran ('f90' recommended) |
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# f, for, ftn, fpp are for fixed-form fortran ('f' or 'for' recommended) |
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'fortran': ('f90', 'f95', 'f03', 'f08', 'f', 'for', 'ftn', 'fpp'), |
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'd': ('d', 'di'), |
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'objc': ('m',), |
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'objcpp': ('mm',), |
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'rust': ('rs',), |
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'vala': ('vala', 'vapi', 'gs'), |
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'cs': ('cs',), |
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'swift': ('swift',), |
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'java': ('java',), |
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} |
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cpp_suffixes = lang_suffixes['cpp'] + ('h',) |
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c_suffixes = lang_suffixes['c'] + ('h',) |
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# List of languages that can be linked with C code directly by the linker |
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# used in build.py:process_compilers() and build.py:get_dynamic_linker() |
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clike_langs = ('d', 'objcpp', 'cpp', 'objc', 'c', 'fortran',) |
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clike_suffixes = () |
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for _l in clike_langs: |
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clike_suffixes += lang_suffixes[_l] |
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clike_suffixes += ('h', 'll', 's') |
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# XXX: Use this in is_library()? |
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soregex = re.compile(r'.*\.so(\.[0-9]+)?(\.[0-9]+)?(\.[0-9]+)?$') |
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# All these are only for C-like languages; see `clike_langs` above. |
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def sort_clike(lang): |
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''' |
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Sorting function to sort the list of languages according to |
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reversed(compilers.clike_langs) and append the unknown langs in the end. |
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The purpose is to prefer C over C++ for files that can be compiled by |
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both such as assembly, C, etc. Also applies to ObjC, ObjC++, etc. |
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''' |
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if lang not in clike_langs: |
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return 1 |
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return -clike_langs.index(lang) |
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def is_header(fname): |
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if hasattr(fname, 'fname'): |
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fname = fname.fname |
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suffix = fname.split('.')[-1] |
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return suffix in header_suffixes |
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def is_source(fname): |
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if hasattr(fname, 'fname'): |
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fname = fname.fname |
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suffix = fname.split('.')[-1].lower() |
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return suffix in clike_suffixes |
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def is_assembly(fname): |
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if hasattr(fname, 'fname'): |
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fname = fname.fname |
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return fname.split('.')[-1].lower() == 's' |
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def is_llvm_ir(fname): |
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if hasattr(fname, 'fname'): |
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fname = fname.fname |
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return fname.split('.')[-1] == 'll' |
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def is_object(fname): |
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if hasattr(fname, 'fname'): |
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fname = fname.fname |
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suffix = fname.split('.')[-1] |
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return suffix in obj_suffixes |
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def is_library(fname): |
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if hasattr(fname, 'fname'): |
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fname = fname.fname |
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suffix = fname.split('.')[-1] |
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return suffix in lib_suffixes |
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gnulike_buildtype_args = {'plain': [], |
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# -O0 is passed for improved debugging information with gcc |
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# See https://github.com/mesonbuild/meson/pull/509 |
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'debug': ['-O0', '-g'], |
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'debugoptimized': ['-O2', '-g'], |
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'release': ['-O3'], |
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'minsize': ['-Os', '-g']} |
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msvc_buildtype_args = {'plain': [], |
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'debug': ["/MDd", "/ZI", "/Ob0", "/Od", "/RTC1"], |
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'debugoptimized': ["/MD", "/Zi", "/O2", "/Ob1"], |
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'release': ["/MD", "/O2", "/Ob2"], |
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'minsize': ["/MD", "/Zi", "/Os", "/Ob1"], |
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} |
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apple_buildtype_linker_args = {'plain': [], |
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'debug': [], |
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'debugoptimized': [], |
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'release': [], |
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'minsize': [], |
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} |
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gnulike_buildtype_linker_args = {'plain': [], |
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'debug': [], |
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'debugoptimized': [], |
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'release': ['-Wl,-O1'], |
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'minsize': [], |
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} |
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msvc_buildtype_linker_args = {'plain': [], |
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'debug': [], |
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'debugoptimized': [], |
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'release': [], |
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'minsize': ['/INCREMENTAL:NO'], |
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} |
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java_buildtype_args = {'plain': [], |
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'debug': ['-g'], |
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'debugoptimized': ['-g'], |
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'release': [], |
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'minsize': [], |
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} |
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rust_buildtype_args = {'plain': [], |
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'debug': ['-C', 'debuginfo=2'], |
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'debugoptimized': ['-C', 'debuginfo=2', '-C', 'opt-level=2'], |
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'release': ['-C', 'opt-level=3'], |
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'minsize': [], # In a future release: ['-C', 'opt-level=s'], |
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} |
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d_gdc_buildtype_args = {'plain': [], |
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'debug': ['-g', '-O0'], |
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'debugoptimized': ['-g', '-O'], |
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'release': ['-O3', '-frelease'], |
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'minsize': [], |
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} |
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d_ldc_buildtype_args = {'plain': [], |
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'debug': ['-g', '-O0'], |
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'debugoptimized': ['-g', '-O'], |
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'release': ['-O3', '-release'], |
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'minsize': [], |
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} |
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d_dmd_buildtype_args = {'plain': [], |
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'debug': ['-g'], |
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'debugoptimized': ['-g', '-O'], |
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'release': ['-O', '-release'], |
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'minsize': [], |
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} |
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mono_buildtype_args = {'plain': [], |
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'debug': ['-debug'], |
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'debugoptimized': ['-debug', '-optimize+'], |
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'release': ['-optimize+'], |
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'minsize': [], |
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} |
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swift_buildtype_args = {'plain': [], |
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'debug': ['-g'], |
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'debugoptimized': ['-g', '-O'], |
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'release': ['-O'], |
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'minsize': [], |
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} |
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gnu_winlibs = ['-lkernel32', '-luser32', '-lgdi32', '-lwinspool', '-lshell32', |
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'-lole32', '-loleaut32', '-luuid', '-lcomdlg32', '-ladvapi32'] |
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msvc_winlibs = ['kernel32.lib', 'user32.lib', 'gdi32.lib', |
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'winspool.lib', 'shell32.lib', 'ole32.lib', 'oleaut32.lib', |
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'uuid.lib', 'comdlg32.lib', 'advapi32.lib'] |
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gnu_color_args = {'auto': ['-fdiagnostics-color=auto'], |
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'always': ['-fdiagnostics-color=always'], |
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'never': ['-fdiagnostics-color=never'], |
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} |
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clang_color_args = {'auto': ['-Xclang', '-fcolor-diagnostics'], |
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'always': ['-Xclang', '-fcolor-diagnostics'], |
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'never': ['-Xclang', '-fno-color-diagnostics'], |
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} |
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base_options = {'b_pch': coredata.UserBooleanOption('b_pch', 'Use precompiled headers', True), |
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'b_lto': coredata.UserBooleanOption('b_lto', 'Use link time optimization', False), |
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'b_sanitize': coredata.UserComboOption('b_sanitize', |
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'Code sanitizer to use', |
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['none', 'address', 'thread', 'undefined', 'memory', 'address,undefined'], |
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'none'), |
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'b_lundef': coredata.UserBooleanOption('b_lundef', 'Use -Wl,--no-undefined when linking', True), |
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'b_asneeded': coredata.UserBooleanOption('b_asneeded', 'Use -Wl,--as-needed when linking', True), |
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'b_pgo': coredata.UserComboOption('b_pgo', 'Use profile guided optimization', |
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['off', 'generate', 'use'], |
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'off'), |
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'b_coverage': coredata.UserBooleanOption('b_coverage', |
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'Enable coverage tracking.', |
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False), |
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'b_colorout': coredata.UserComboOption('b_colorout', 'Use colored output', |
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['auto', 'always', 'never'], |
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'always'), |
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'b_ndebug': coredata.UserComboOption('b_ndebug', 'Disable asserts', |
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['true', 'false', 'if-release'], 'false'), |
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'b_staticpic': coredata.UserBooleanOption('b_staticpic', |
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'Build static libraries as position independent', |
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True), |
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} |
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gnulike_instruction_set_args = {'mmx': ['-mmmx'], |
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'sse': ['-msse'], |
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'sse2': ['-msse2'], |
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'sse3': ['-msse3'], |
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'ssse3': ['-mssse3'], |
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'sse41': ['-msse4.1'], |
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'sse42': ['-msse4.2'], |
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'avx': ['-mavx'], |
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'avx2': ['-mavx2'], |
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'neon': ['-mfpu=neon'], |
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} |
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vs32_instruction_set_args = {'mmx': ['/arch:SSE'], # There does not seem to be a flag just for MMX |
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'sse': ['/arch:SSE'], |
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'sse2': ['/arch:SSE2'], |
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'sse3': ['/arch:AVX'], # VS leaped from SSE2 directly to AVX. |
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'sse41': ['/arch:AVX'], |
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'sse42': ['/arch:AVX'], |
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'avx': ['/arch:AVX'], |
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'avx2': ['/arch:AVX2'], |
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'neon': None, |
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} |
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# The 64 bit compiler defaults to /arch:avx. |
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vs64_instruction_set_args = {'mmx': ['/arch:AVX'], |
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'sse': ['/arch:AVX'], |
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'sse2': ['/arch:AVX'], |
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'sse3': ['/arch:AVX'], |
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'ssse3': ['/arch:AVX'], |
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'sse41': ['/arch:AVX'], |
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'sse42': ['/arch:AVX'], |
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'avx': ['/arch:AVX'], |
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'avx2': ['/arch:AVX2'], |
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'neon': None, |
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} |
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def sanitizer_compile_args(value): |
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if value == 'none': |
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return [] |
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args = ['-fsanitize=' + value] |
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if 'address' in value: # For -fsanitize=address,undefined |
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args.append('-fno-omit-frame-pointer') |
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return args |
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def sanitizer_link_args(value): |
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if value == 'none': |
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return [] |
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args = ['-fsanitize=' + value] |
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return args |
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def get_base_compile_args(options, compiler): |
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args = [] |
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# FIXME, gcc/clang specific. |
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try: |
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if options['b_lto'].value: |
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args.append('-flto') |
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except KeyError: |
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pass |
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try: |
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args += compiler.get_colorout_args(options['b_colorout'].value) |
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except KeyError: |
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pass |
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try: |
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args += sanitizer_compile_args(options['b_sanitize'].value) |
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except KeyError: |
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pass |
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try: |
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pgo_val = options['b_pgo'].value |
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if pgo_val == 'generate': |
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args.append('-fprofile-generate') |
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elif pgo_val == 'use': |
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args.append('-fprofile-use') |
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except KeyError: |
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pass |
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try: |
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if options['b_coverage'].value: |
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args += compiler.get_coverage_args() |
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except KeyError: |
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pass |
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try: |
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if options['b_ndebug'].value == 'true' or (options['b_ndebug'].value == 'if-release' and options['buildtype'] == 'release'): |
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args += ['-DNDEBUG'] |
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except KeyError: |
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pass |
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return args |
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def get_base_link_args(options, linker, is_shared_module): |
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args = [] |
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# FIXME, gcc/clang specific. |
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try: |
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if options['b_lto'].value: |
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args.append('-flto') |
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except KeyError: |
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pass |
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try: |
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args += sanitizer_link_args(options['b_sanitize'].value) |
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except KeyError: |
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pass |
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try: |
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pgo_val = options['b_pgo'].value |
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if pgo_val == 'generate': |
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args.append('-fprofile-generate') |
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elif pgo_val == 'use': |
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args.append('-fprofile-use') |
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except KeyError: |
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pass |
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try: |
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if not is_shared_module and 'b_lundef' in linker.base_options and options['b_lundef'].value: |
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args.append('-Wl,--no-undefined') |
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except KeyError: |
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pass |
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try: |
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if 'b_asneeded' in linker.base_options and options['b_asneeded'].value: |
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args.append('-Wl,--as-needed') |
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except KeyError: |
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pass |
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try: |
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if options['b_coverage'].value: |
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args += linker.get_coverage_link_args() |
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except KeyError: |
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pass |
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return args |
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class CrossNoRunException(MesonException): |
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pass |
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class RunResult: |
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def __init__(self, compiled, returncode=999, stdout='UNDEFINED', stderr='UNDEFINED'): |
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self.compiled = compiled |
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self.returncode = returncode |
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self.stdout = stdout |
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self.stderr = stderr |
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class CompilerArgs(list): |
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''' |
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Class derived from list() that manages a list of compiler arguments. Should |
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be used while constructing compiler arguments from various sources. Can be |
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operated with ordinary lists, so this does not need to be used everywhere. |
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All arguments must be inserted and stored in GCC-style (-lfoo, -Idir, etc) |
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and can converted to the native type of each compiler by using the |
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.to_native() method to which you must pass an instance of the compiler or |
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the compiler class. |
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New arguments added to this class (either with .append(), .extend(), or +=) |
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are added in a way that ensures that they override previous arguments. |
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For example: |
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>>> a = ['-Lfoo', '-lbar'] |
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>>> a += ['-Lpho', '-lbaz'] |
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>>> print(a) |
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['-Lpho', '-Lfoo', '-lbar', '-lbaz'] |
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Arguments will also be de-duped if they can be de-duped safely. |
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Note that because of all this, this class is not commutative and does not |
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preserve the order of arguments if it is safe to not. For example: |
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>>> ['-Ifoo', '-Ibar'] + ['-Ifez', '-Ibaz', '-Werror'] |
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['-Ifez', '-Ibaz', '-Ifoo', '-Ibar', '-Werror'] |
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>>> ['-Ifez', '-Ibaz', '-Werror'] + ['-Ifoo', '-Ibar'] |
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['-Ifoo', '-Ibar', '-Ifez', '-Ibaz', '-Werror'] |
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''' |
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# NOTE: currently this class is only for C-like compilers, but it can be |
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# extended to other languages easily. Just move the following to the |
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# compiler class and initialize when self.compiler is set. |
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# Arg prefixes that override by prepending instead of appending |
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prepend_prefixes = ('-I', '-L') |
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# Arg prefixes and args that must be de-duped by returning 2 |
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dedup2_prefixes = ('-I', '-L', '-D', '-U') |
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dedup2_suffixes = () |
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dedup2_args = () |
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# Arg prefixes and args that must be de-duped by returning 1 |
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dedup1_prefixes = ('-l',) |
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dedup1_suffixes = ('.lib', '.dll', '.so', '.dylib', '.a') |
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# Match a .so of the form path/to/libfoo.so.0.1.0 |
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# Only UNIX shared libraries require this. Others have a fixed extension. |
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dedup1_regex = re.compile(r'([\/\\]|\A)lib.*\.so(\.[0-9]+)?(\.[0-9]+)?(\.[0-9]+)?$') |
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dedup1_args = ('-c', '-S', '-E', '-pipe', '-pthread') |
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compiler = None |
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def _check_args(self, args): |
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cargs = [] |
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if len(args) > 2: |
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raise TypeError("CompilerArgs() only accepts at most 2 arguments: " |
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"The compiler, and optionally an initial list") |
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elif not args: |
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return cargs |
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elif len(args) == 1: |
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if isinstance(args[0], (Compiler, StaticLinker)): |
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self.compiler = args[0] |
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else: |
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raise TypeError("you must pass a Compiler instance as one of " |
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"the arguments") |
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elif len(args) == 2: |
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if isinstance(args[0], (Compiler, StaticLinker)): |
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self.compiler = args[0] |
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cargs = args[1] |
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elif isinstance(args[1], (Compiler, StaticLinker)): |
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cargs = args[0] |
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self.compiler = args[1] |
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else: |
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raise TypeError("you must pass a Compiler instance as one of " |
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"the two arguments") |
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else: |
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raise AssertionError('Not reached') |
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return cargs |
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def __init__(self, *args): |
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super().__init__(self._check_args(args)) |
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@classmethod |
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def _can_dedup(cls, arg): |
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''' |
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Returns whether the argument can be safely de-duped. This is dependent |
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on three things: |
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|
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a) Whether an argument can be 'overridden' by a later argument. For |
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example, -DFOO defines FOO and -UFOO undefines FOO. In this case, we |
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can safely remove the previous occurrence and add a new one. The same |
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is true for include paths and library paths with -I and -L. For |
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these we return `2`. See `dedup2_prefixes` and `dedup2_args`. |
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b) Arguments that once specified cannot be undone, such as `-c` or |
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`-pipe`. New instances of these can be completely skipped. For these |
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we return `1`. See `dedup1_prefixes` and `dedup1_args`. |
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c) Whether it matters where or how many times on the command-line |
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a particular argument is present. This can matter for symbol |
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resolution in static or shared libraries, so we cannot de-dup or |
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reorder them. For these we return `0`. This is the default. |
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|
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In addition to these, we handle library arguments specially. |
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With GNU ld, we surround library arguments with -Wl,--start/end-group |
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to recursively search for symbols in the libraries. This is not needed |
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with other linkers. |
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''' |
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|
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# A standalone argument must never be deduplicated because it is |
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# defined by what comes _after_ it. Thus dedupping this: |
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# -D FOO -D BAR |
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# would yield either |
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# -D FOO BAR |
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# or |
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# FOO -D BAR |
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# both of which are invalid. |
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if arg in cls.dedup2_prefixes: |
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return 0 |
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if arg in cls.dedup2_args or \ |
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arg.startswith(cls.dedup2_prefixes) or \ |
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arg.endswith(cls.dedup2_suffixes): |
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return 2 |
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if arg in cls.dedup1_args or \ |
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arg.startswith(cls.dedup1_prefixes) or \ |
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arg.endswith(cls.dedup1_suffixes) or \ |
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re.search(cls.dedup1_regex, arg): |
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return 1 |
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return 0 |
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@classmethod |
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def _should_prepend(cls, arg): |
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if arg.startswith(cls.prepend_prefixes): |
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return True |
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return False |
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|
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def to_native(self): |
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# Check if we need to add --start/end-group for circular dependencies |
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# between static libraries, and for recursively searching for symbols |
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# needed by static libraries that are provided by object files or |
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# shared libraries. |
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if get_compiler_uses_gnuld(self.compiler): |
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global soregex |
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group_start = -1 |
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for each in self: |
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if not each.startswith('-l') and not each.endswith('.a') and \ |
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not soregex.match(each): |
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continue |
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i = self.index(each) |
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if group_start < 0: |
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# First occurrence of a library |
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group_start = i |
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if group_start >= 0: |
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# Last occurrence of a library |
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self.insert(i + 1, '-Wl,--end-group') |
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self.insert(group_start, '-Wl,--start-group') |
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return self.compiler.unix_args_to_native(self) |
|
|
|
def append_direct(self, arg): |
|
''' |
|
Append the specified argument without any reordering or de-dup |
|
''' |
|
super().append(arg) |
|
|
|
def extend_direct(self, iterable): |
|
''' |
|
Extend using the elements in the specified iterable without any |
|
reordering or de-dup |
|
''' |
|
super().extend(iterable) |
|
|
|
def __add__(self, args): |
|
new = CompilerArgs(self, self.compiler) |
|
new += args |
|
return new |
|
|
|
def __iadd__(self, args): |
|
''' |
|
Add two CompilerArgs while taking into account overriding of arguments |
|
and while preserving the order of arguments as much as possible |
|
''' |
|
pre = [] |
|
post = [] |
|
if not isinstance(args, list): |
|
raise TypeError('can only concatenate list (not "{}") to list'.format(args)) |
|
for arg in args: |
|
# If the argument can be de-duped, do it either by removing the |
|
# previous occurrence of it and adding a new one, or not adding the |
|
# new occurrence. |
|
dedup = self._can_dedup(arg) |
|
if dedup == 1: |
|
# Argument already exists and adding a new instance is useless |
|
if arg in self or arg in pre or arg in post: |
|
continue |
|
if dedup == 2: |
|
# Remove all previous occurrences of the arg and add it anew |
|
if arg in self: |
|
self.remove(arg) |
|
if arg in pre: |
|
pre.remove(arg) |
|
if arg in post: |
|
post.remove(arg) |
|
if self._should_prepend(arg): |
|
pre.append(arg) |
|
else: |
|
post.append(arg) |
|
# Insert at the beginning |
|
self[:0] = pre |
|
# Append to the end |
|
super().__iadd__(post) |
|
return self |
|
|
|
def __radd__(self, args): |
|
new = CompilerArgs(args, self.compiler) |
|
new += self |
|
return new |
|
|
|
def __mul__(self, args): |
|
raise TypeError("can't multiply compiler arguments") |
|
|
|
def __imul__(self, args): |
|
raise TypeError("can't multiply compiler arguments") |
|
|
|
def __rmul__(self, args): |
|
raise TypeError("can't multiply compiler arguments") |
|
|
|
def append(self, arg): |
|
self.__iadd__([arg]) |
|
|
|
def extend(self, args): |
|
self.__iadd__(args) |
|
|
|
class Compiler: |
|
# Libraries to ignore in find_library() since they are provided by the |
|
# compiler or the C library. Currently only used for MSVC. |
|
ignore_libs = () |
|
|
|
def __init__(self, exelist, version, **kwargs): |
|
if isinstance(exelist, str): |
|
self.exelist = [exelist] |
|
elif isinstance(exelist, list): |
|
self.exelist = exelist |
|
else: |
|
raise TypeError('Unknown argument to Compiler') |
|
# In case it's been overridden by a child class already |
|
if not hasattr(self, 'file_suffixes'): |
|
self.file_suffixes = lang_suffixes[self.language] |
|
if not hasattr(self, 'can_compile_suffixes'): |
|
self.can_compile_suffixes = set(self.file_suffixes) |
|
self.default_suffix = self.file_suffixes[0] |
|
self.version = version |
|
if 'full_version' in kwargs: |
|
self.full_version = kwargs['full_version'] |
|
else: |
|
self.full_version = None |
|
self.base_options = [] |
|
|
|
def __repr__(self): |
|
repr_str = "<{0}: v{1} `{2}`>" |
|
return repr_str.format(self.__class__.__name__, self.version, |
|
' '.join(self.exelist)) |
|
|
|
def can_compile(self, src): |
|
if hasattr(src, 'fname'): |
|
src = src.fname |
|
suffix = os.path.splitext(src)[1].lower() |
|
if suffix and suffix[1:] in self.can_compile_suffixes: |
|
return True |
|
return False |
|
|
|
def get_id(self): |
|
return self.id |
|
|
|
def get_language(self): |
|
return self.language |
|
|
|
def get_display_language(self): |
|
return self.language.capitalize() |
|
|
|
def get_default_suffix(self): |
|
return self.default_suffix |
|
|
|
def get_exelist(self): |
|
return self.exelist[:] |
|
|
|
def get_builtin_define(self, *args, **kwargs): |
|
raise EnvironmentException('%s does not support get_builtin_define.' % self.id) |
|
|
|
def has_builtin_define(self, *args, **kwargs): |
|
raise EnvironmentException('%s does not support has_builtin_define.' % self.id) |
|
|
|
def get_always_args(self): |
|
return [] |
|
|
|
def get_linker_always_args(self): |
|
return [] |
|
|
|
def gen_import_library_args(self, implibname): |
|
""" |
|
Used only on Windows for libraries that need an import library. |
|
This currently means C, C++, Fortran. |
|
""" |
|
return [] |
|
|
|
def get_options(self): |
|
return {} # build afresh every time |
|
|
|
def get_option_compile_args(self, options): |
|
return [] |
|
|
|
def get_option_link_args(self, options): |
|
return [] |
|
|
|
def has_header(self, *args, **kwargs): |
|
raise EnvironmentException('Language %s does not support header checks.' % self.get_display_language()) |
|
|
|
def has_header_symbol(self, *args, **kwargs): |
|
raise EnvironmentException('Language %s does not support header symbol checks.' % self.get_display_language()) |
|
|
|
def compiles(self, *args, **kwargs): |
|
raise EnvironmentException('Language %s does not support compile checks.' % self.get_display_language()) |
|
|
|
def links(self, *args, **kwargs): |
|
raise EnvironmentException('Language %s does not support link checks.' % self.get_display_language()) |
|
|
|
def run(self, *args, **kwargs): |
|
raise EnvironmentException('Language %s does not support run checks.' % self.get_display_language()) |
|
|
|
def sizeof(self, *args, **kwargs): |
|
raise EnvironmentException('Language %s does not support sizeof checks.' % self.get_display_language()) |
|
|
|
def alignment(self, *args, **kwargs): |
|
raise EnvironmentException('Language %s does not support alignment checks.' % self.get_display_language()) |
|
|
|
def has_function(self, *args, **kwargs): |
|
raise EnvironmentException('Language %s does not support function checks.' % self.get_display_language()) |
|
|
|
@classmethod |
|
def unix_args_to_native(cls, args): |
|
"Always returns a copy that can be independently mutated" |
|
return args[:] |
|
|
|
def find_library(self, *args, **kwargs): |
|
raise EnvironmentException('Language {} does not support library finding.'.format(self.get_display_language())) |
|
|
|
def get_library_dirs(self): |
|
return [] |
|
|
|
def has_argument(self, arg, env): |
|
return self.has_multi_arguments([arg], env) |
|
|
|
def has_multi_arguments(self, args, env): |
|
raise EnvironmentException( |
|
'Language {} does not support has_multi_arguments.'.format( |
|
self.get_display_language())) |
|
|
|
def get_supported_arguments(self, args, env): |
|
supported_args = [] |
|
for arg in args: |
|
if self.has_argument(arg, env): |
|
supported_args.append(arg) |
|
return supported_args |
|
|
|
def get_cross_extra_flags(self, environment, link): |
|
extra_flags = [] |
|
if self.is_cross and environment: |
|
if 'properties' in environment.cross_info.config: |
|
props = environment.cross_info.config['properties'] |
|
lang_args_key = self.language + '_args' |
|
extra_flags += props.get(lang_args_key, []) |
|
lang_link_args_key = self.language + '_link_args' |
|
if link: |
|
extra_flags += props.get(lang_link_args_key, []) |
|
return extra_flags |
|
|
|
def _get_compile_output(self, dirname, mode): |
|
# In pre-processor mode, the output is sent to stdout and discarded |
|
if mode == 'preprocess': |
|
return None |
|
# Extension only matters if running results; '.exe' is |
|
# guaranteed to be executable on every platform. |
|
if mode == 'link': |
|
suffix = 'exe' |
|
else: |
|
suffix = 'obj' |
|
return os.path.join(dirname, 'output.' + suffix) |
|
|
|
@contextlib.contextmanager |
|
def compile(self, code, extra_args=None, mode='link'): |
|
if extra_args is None: |
|
extra_args = [] |
|
try: |
|
with tempfile.TemporaryDirectory() as tmpdirname: |
|
if isinstance(code, str): |
|
srcname = os.path.join(tmpdirname, |
|
'testfile.' + self.default_suffix) |
|
with open(srcname, 'w') as ofile: |
|
ofile.write(code) |
|
elif isinstance(code, mesonlib.File): |
|
srcname = code.fname |
|
output = self._get_compile_output(tmpdirname, mode) |
|
|
|
# Construct the compiler command-line |
|
commands = CompilerArgs(self) |
|
commands.append(srcname) |
|
commands += extra_args |
|
commands += self.get_always_args() |
|
if mode == 'compile': |
|
commands += self.get_compile_only_args() |
|
# Preprocess mode outputs to stdout, so no output args |
|
if mode == 'preprocess': |
|
commands += self.get_preprocess_only_args() |
|
else: |
|
commands += self.get_output_args(output) |
|
# Generate full command-line with the exelist |
|
commands = self.get_exelist() + commands.to_native() |
|
mlog.debug('Running compile:') |
|
mlog.debug('Working directory: ', tmpdirname) |
|
mlog.debug('Command line: ', ' '.join(commands), '\n') |
|
mlog.debug('Code:\n', code) |
|
p, p.stdo, p.stde = Popen_safe(commands, cwd=tmpdirname) |
|
mlog.debug('Compiler stdout:\n', p.stdo) |
|
mlog.debug('Compiler stderr:\n', p.stde) |
|
p.input_name = srcname |
|
p.output_name = output |
|
yield p |
|
except (PermissionError, OSError): |
|
# On Windows antivirus programs and the like hold on to files so |
|
# they can't be deleted. There's not much to do in this case. Also, |
|
# catch OSError because the directory is then no longer empty. |
|
pass |
|
|
|
def get_colorout_args(self, colortype): |
|
return [] |
|
|
|
# Some compilers (msvc) write debug info to a separate file. |
|
# These args specify where it should be written. |
|
def get_compile_debugfile_args(self, rel_obj, **kwargs): |
|
return [] |
|
|
|
def get_link_debugfile_args(self, rel_obj): |
|
return [] |
|
|
|
def get_std_shared_lib_link_args(self): |
|
return [] |
|
|
|
def get_std_shared_module_link_args(self): |
|
return self.get_std_shared_lib_link_args() |
|
|
|
def get_link_whole_for(self, args): |
|
if isinstance(args, list) and not args: |
|
return [] |
|
raise EnvironmentException('Language %s does not support linking whole archives.' % self.get_display_language()) |
|
|
|
# Compiler arguments needed to enable the given instruction set. |
|
# May be [] meaning nothing needed or None meaning the given set |
|
# is not supported. |
|
def get_instruction_set_args(self, instruction_set): |
|
return None |
|
|
|
def build_osx_rpath_args(self, build_dir, rpath_paths, build_rpath): |
|
if not rpath_paths and not build_rpath: |
|
return [] |
|
# On OSX, rpaths must be absolute. |
|
abs_rpaths = [os.path.join(build_dir, p) for p in rpath_paths] |
|
if build_rpath != '': |
|
abs_rpaths.append(build_rpath) |
|
args = ['-Wl,-rpath,' + rp for rp in abs_rpaths] |
|
return args |
|
|
|
def build_unix_rpath_args(self, build_dir, from_dir, rpath_paths, build_rpath, install_rpath): |
|
if not rpath_paths and not install_rpath and not build_rpath: |
|
return [] |
|
# The rpaths we write must be relative, because otherwise |
|
# they have different length depending on the build |
|
# directory. This breaks reproducible builds. |
|
rel_rpaths = [] |
|
for p in rpath_paths: |
|
if p == from_dir: |
|
relative = '' # relpath errors out in this case |
|
else: |
|
relative = os.path.relpath(os.path.join(build_dir, p), os.path.join(build_dir, from_dir)) |
|
rel_rpaths.append(relative) |
|
paths = ':'.join([os.path.join('$ORIGIN', p) for p in rel_rpaths]) |
|
# Build_rpath is used as-is (it is usually absolute). |
|
if build_rpath != '': |
|
if paths != '': |
|
paths += ':' |
|
paths += build_rpath |
|
if len(paths) < len(install_rpath): |
|
padding = 'X' * (len(install_rpath) - len(paths)) |
|
if not paths: |
|
paths = padding |
|
else: |
|
paths = paths + ':' + padding |
|
args = ['-Wl,-rpath,' + paths] |
|
if get_compiler_is_linuxlike(self): |
|
# Rpaths to use while linking must be absolute. These are not |
|
# written to the binary. Needed only with GNU ld: |
|
# https://sourceware.org/bugzilla/show_bug.cgi?id=16936 |
|
# Not needed on Windows or other platforms that don't use RPATH |
|
# https://github.com/mesonbuild/meson/issues/1897 |
|
lpaths = ':'.join([os.path.join(build_dir, p) for p in rpath_paths]) |
|
|
|
# clang expands '-Wl,rpath-link,' to ['-rpath-link'] instead of ['-rpath-link',''] |
|
# This eats the next argument, which happens to be 'ldstdc++', causing link failures. |
|
# We can dodge this problem by not adding any rpath_paths if the argument is empty. |
|
if lpaths.strip() != '': |
|
args += ['-Wl,-rpath-link,' + lpaths] |
|
return args |
|
|
|
def thread_flags(self, env): |
|
return [] |
|
|
|
|
|
GCC_STANDARD = 0 |
|
GCC_OSX = 1 |
|
GCC_MINGW = 2 |
|
GCC_CYGWIN = 3 |
|
|
|
CLANG_STANDARD = 0 |
|
CLANG_OSX = 1 |
|
CLANG_WIN = 2 |
|
# Possibly clang-cl? |
|
|
|
ICC_STANDARD = 0 |
|
ICC_OSX = 1 |
|
ICC_WIN = 2 |
|
|
|
def get_gcc_soname_args(gcc_type, prefix, shlib_name, suffix, path, soversion, is_shared_module): |
|
if soversion is None: |
|
sostr = '' |
|
else: |
|
sostr = '.' + soversion |
|
if gcc_type in (GCC_STANDARD, GCC_MINGW, GCC_CYGWIN): |
|
# Might not be correct for mingw but seems to work. |
|
return ['-Wl,-soname,%s%s.%s%s' % (prefix, shlib_name, suffix, sostr)] |
|
elif gcc_type == GCC_OSX: |
|
if is_shared_module: |
|
return [] |
|
install_name = prefix + shlib_name |
|
if soversion is not None: |
|
install_name += '.' + soversion |
|
install_name += '.dylib' |
|
return ['-install_name', os.path.join('@rpath', install_name)] |
|
else: |
|
raise RuntimeError('Not implemented yet.') |
|
|
|
def get_compiler_is_linuxlike(compiler): |
|
if (getattr(compiler, 'gcc_type', None) == GCC_STANDARD) or \ |
|
(getattr(compiler, 'clang_type', None) == CLANG_STANDARD) or \ |
|
(getattr(compiler, 'icc_type', None) == ICC_STANDARD): |
|
return True |
|
return False |
|
|
|
def get_compiler_uses_gnuld(c): |
|
# FIXME: Perhaps we should detect the linker in the environment? |
|
# FIXME: Assumes that *BSD use GNU ld, but they might start using lld soon |
|
if (getattr(c, 'gcc_type', None) in (GCC_STANDARD, GCC_MINGW, GCC_CYGWIN)) or \ |
|
(getattr(c, 'clang_type', None) in (CLANG_STANDARD, CLANG_WIN)) or \ |
|
(getattr(c, 'icc_type', None) in (ICC_STANDARD, ICC_WIN)): |
|
return True |
|
return False |
|
|
|
def get_largefile_args(compiler): |
|
''' |
|
Enable transparent large-file-support for 32-bit UNIX systems |
|
''' |
|
if get_compiler_is_linuxlike(compiler): |
|
# Enable large-file support unconditionally on all platforms other |
|
# than macOS and Windows. macOS is now 64-bit-only so it doesn't |
|
# need anything special, and Windows doesn't have automatic LFS. |
|
# You must use the 64-bit counterparts explicitly. |
|
# glibc, musl, and uclibc, and all BSD libcs support this. On Android, |
|
# support for transparent LFS is available depending on the version of |
|
# Bionic: https://github.com/android/platform_bionic#32-bit-abi-bugs |
|
# https://code.google.com/p/android/issues/detail?id=64613 |
|
# |
|
# If this breaks your code, fix it! It's been 20+ years! |
|
return ['-D_FILE_OFFSET_BITS=64'] |
|
# We don't enable -D_LARGEFILE64_SOURCE since that enables |
|
# transitionary features and must be enabled by programs that use |
|
# those features explicitly. |
|
return [] |
|
|
|
# TODO: The result from calling compiler should be cached. So that calling this |
|
# function multiple times don't add latency. |
|
def gnulike_default_include_dirs(compiler, lang): |
|
if lang == 'cpp': |
|
lang = 'c++' |
|
env = os.environ.copy() |
|
env["LC_ALL"] = 'C' |
|
cmd = compiler + ['-x{}'.format(lang), '-E', '-v', '-'] |
|
p = subprocess.Popen( |
|
cmd, |
|
stdin=subprocess.DEVNULL, |
|
stderr=subprocess.PIPE, |
|
stdout=subprocess.PIPE, |
|
env=env |
|
) |
|
stderr = p.stderr.read().decode('utf-8') |
|
parse_state = 0 |
|
paths = [] |
|
for line in stderr.split('\n'): |
|
if parse_state == 0: |
|
if line == '#include "..." search starts here:': |
|
parse_state = 1 |
|
elif parse_state == 1: |
|
if line == '#include <...> search starts here:': |
|
parse_state = 2 |
|
else: |
|
paths.append(line[1:]) |
|
elif parse_state == 2: |
|
if line == 'End of search list.': |
|
break |
|
else: |
|
paths.append(line[1:]) |
|
if len(paths) == 0: |
|
mlog.warning('No include directory found parsing "{cmd}" output'.format(cmd=" ".join(cmd))) |
|
return paths |
|
|
|
class GnuCompiler: |
|
# Functionality that is common to all GNU family compilers. |
|
def __init__(self, gcc_type, defines): |
|
self.id = 'gcc' |
|
self.gcc_type = gcc_type |
|
self.defines = defines or {} |
|
self.base_options = ['b_pch', 'b_lto', 'b_pgo', 'b_sanitize', 'b_coverage', |
|
'b_colorout', 'b_ndebug', 'b_staticpic'] |
|
if self.gcc_type != GCC_OSX: |
|
self.base_options.append('b_lundef') |
|
self.base_options.append('b_asneeded') |
|
# All GCC backends can do assembly |
|
self.can_compile_suffixes.add('s') |
|
|
|
def get_colorout_args(self, colortype): |
|
if mesonlib.version_compare(self.version, '>=4.9.0'): |
|
return gnu_color_args[colortype][:] |
|
return [] |
|
|
|
def get_warn_args(self, level): |
|
args = super().get_warn_args(level) |
|
if mesonlib.version_compare(self.version, '<4.8.0') and '-Wpedantic' in args: |
|
# -Wpedantic was added in 4.8.0 |
|
# https://gcc.gnu.org/gcc-4.8/changes.html |
|
args[args.index('-Wpedantic')] = '-pedantic' |
|
return args |
|
|
|
def has_builtin_define(self, define): |
|
return define in self.defines |
|
|
|
def get_builtin_define(self, define): |
|
if define in self.defines: |
|
return self.defines[define] |
|
|
|
def get_pic_args(self): |
|
if self.gcc_type in (GCC_CYGWIN, GCC_MINGW, GCC_OSX): |
|
return [] # On Window and OS X, pic is always on. |
|
return ['-fPIC'] |
|
|
|
def get_buildtype_args(self, buildtype): |
|
return gnulike_buildtype_args[buildtype] |
|
|
|
def get_buildtype_linker_args(self, buildtype): |
|
if self.gcc_type == GCC_OSX: |
|
return apple_buildtype_linker_args[buildtype] |
|
return gnulike_buildtype_linker_args[buildtype] |
|
|
|
def get_pch_suffix(self): |
|
return 'gch' |
|
|
|
def split_shlib_to_parts(self, fname): |
|
return os.path.split(fname)[0], fname |
|
|
|
def get_soname_args(self, prefix, shlib_name, suffix, path, soversion, is_shared_module): |
|
return get_gcc_soname_args(self.gcc_type, prefix, shlib_name, suffix, path, soversion, is_shared_module) |
|
|
|
def get_std_shared_lib_link_args(self): |
|
return ['-shared'] |
|
|
|
def get_link_whole_for(self, args): |
|
return ['-Wl,--whole-archive'] + args + ['-Wl,--no-whole-archive'] |
|
|
|
def gen_vs_module_defs_args(self, defsfile): |
|
if not isinstance(defsfile, str): |
|
raise RuntimeError('Module definitions file should be str') |
|
# On Windows targets, .def files may be specified on the linker command |
|
# line like an object file. |
|
if self.gcc_type in (GCC_CYGWIN, GCC_MINGW): |
|
return [defsfile] |
|
# For other targets, discard the .def file. |
|
return [] |
|
|
|
def get_gui_app_args(self): |
|
if self.gcc_type in (GCC_CYGWIN, GCC_MINGW): |
|
return ['-mwindows'] |
|
return [] |
|
|
|
def get_instruction_set_args(self, instruction_set): |
|
return gnulike_instruction_set_args.get(instruction_set, None) |
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|
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def get_default_include_dirs(self): |
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return gnulike_default_include_dirs(self.exelist, self.language) |
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|
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class ClangCompiler: |
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def __init__(self, clang_type): |
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self.id = 'clang' |
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self.clang_type = clang_type |
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self.base_options = ['b_pch', 'b_lto', 'b_pgo', 'b_sanitize', 'b_coverage', |
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'b_ndebug', 'b_staticpic', 'b_colorout'] |
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if self.clang_type != CLANG_OSX: |
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self.base_options.append('b_lundef') |
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self.base_options.append('b_asneeded') |
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# All Clang backends can do assembly and LLVM IR |
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self.can_compile_suffixes.update(['ll', 's']) |
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|
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def get_pic_args(self): |
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if self.clang_type in (CLANG_WIN, CLANG_OSX): |
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return [] # On Window and OS X, pic is always on. |
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return ['-fPIC'] |
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|
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def get_colorout_args(self, colortype): |
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return clang_color_args[colortype][:] |
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|
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def get_buildtype_args(self, buildtype): |
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return gnulike_buildtype_args[buildtype] |
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|
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def get_buildtype_linker_args(self, buildtype): |
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if self.clang_type == CLANG_OSX: |
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return apple_buildtype_linker_args[buildtype] |
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return gnulike_buildtype_linker_args[buildtype] |
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|
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def get_pch_suffix(self): |
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return 'pch' |
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|
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def get_pch_use_args(self, pch_dir, header): |
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# Workaround for Clang bug http://llvm.org/bugs/show_bug.cgi?id=15136 |
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# This flag is internal to Clang (or at least not documented on the man page) |
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# so it might change semantics at any time. |
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return ['-include-pch', os.path.join(pch_dir, self.get_pch_name(header))] |
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|
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def get_soname_args(self, prefix, shlib_name, suffix, path, soversion, is_shared_module): |
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if self.clang_type == CLANG_STANDARD: |
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gcc_type = GCC_STANDARD |
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elif self.clang_type == CLANG_OSX: |
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gcc_type = GCC_OSX |
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elif self.clang_type == CLANG_WIN: |
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gcc_type = GCC_MINGW |
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else: |
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raise MesonException('Unreachable code when converting clang type to gcc type.') |
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return get_gcc_soname_args(gcc_type, prefix, shlib_name, suffix, path, soversion, is_shared_module) |
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|
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def has_multi_arguments(self, args, env): |
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myargs = ['-Werror=unknown-warning-option', '-Werror=unused-command-line-argument'] |
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if mesonlib.version_compare(self.version, '>=3.6.0'): |
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myargs.append('-Werror=ignored-optimization-argument') |
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return super().has_multi_arguments( |
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myargs + args, |
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env) |
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|
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def has_function(self, funcname, prefix, env, extra_args=None, dependencies=None): |
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if extra_args is None: |
|
extra_args = [] |
|
# Starting with XCode 8, we need to pass this to force linker |
|
# visibility to obey OS X and iOS minimum version targets with |
|
# -mmacosx-version-min, -miphoneos-version-min, etc. |
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# https://github.com/Homebrew/homebrew-core/issues/3727 |
|
if self.clang_type == CLANG_OSX and version_compare(self.version, '>=8.0'): |
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extra_args.append('-Wl,-no_weak_imports') |
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return super().has_function(funcname, prefix, env, extra_args, dependencies) |
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|
|
def get_std_shared_module_link_args(self): |
|
if self.clang_type == CLANG_OSX: |
|
return ['-bundle', '-Wl,-undefined,dynamic_lookup'] |
|
return ['-shared'] |
|
|
|
def get_link_whole_for(self, args): |
|
if self.clang_type == CLANG_OSX: |
|
result = [] |
|
for a in args: |
|
result += ['-Wl,-force_load', a] |
|
return result |
|
return ['-Wl,--whole-archive'] + args + ['-Wl,--no-whole-archive'] |
|
|
|
def get_instruction_set_args(self, instruction_set): |
|
return gnulike_instruction_set_args.get(instruction_set, None) |
|
|
|
def get_default_include_dirs(self): |
|
return gnulike_default_include_dirs(self.exelist, self.language) |
|
|
|
|
|
# Tested on linux for ICC 14.0.3, 15.0.6, 16.0.4, 17.0.1 |
|
class IntelCompiler: |
|
def __init__(self, icc_type): |
|
self.id = 'intel' |
|
self.icc_type = icc_type |
|
self.lang_header = 'none' |
|
self.base_options = ['b_pch', 'b_lto', 'b_pgo', 'b_sanitize', 'b_coverage', |
|
'b_colorout', 'b_ndebug', 'b_staticpic', 'b_lundef', 'b_asneeded'] |
|
# Assembly |
|
self.can_compile_suffixes.add('s') |
|
|
|
def get_pic_args(self): |
|
return ['-fPIC'] |
|
|
|
def get_buildtype_args(self, buildtype): |
|
return gnulike_buildtype_args[buildtype] |
|
|
|
def get_buildtype_linker_args(self, buildtype): |
|
return gnulike_buildtype_linker_args[buildtype] |
|
|
|
def get_pch_suffix(self): |
|
return 'pchi' |
|
|
|
def get_pch_use_args(self, pch_dir, header): |
|
return ['-pch', '-pch_dir', os.path.join(pch_dir), '-x', |
|
self.lang_header, '-include', header, '-x', 'none'] |
|
|
|
def get_pch_name(self, header_name): |
|
return os.path.split(header_name)[-1] + '.' + self.get_pch_suffix() |
|
|
|
def split_shlib_to_parts(self, fname): |
|
return os.path.split(fname)[0], fname |
|
|
|
def get_soname_args(self, prefix, shlib_name, suffix, path, soversion, is_shared_module): |
|
if self.icc_type == ICC_STANDARD: |
|
gcc_type = GCC_STANDARD |
|
elif self.icc_type == ICC_OSX: |
|
gcc_type = GCC_OSX |
|
elif self.icc_type == ICC_WIN: |
|
gcc_type = GCC_MINGW |
|
else: |
|
raise MesonException('Unreachable code when converting icc type to gcc type.') |
|
return get_gcc_soname_args(gcc_type, prefix, shlib_name, suffix, path, soversion, is_shared_module) |
|
|
|
def get_std_shared_lib_link_args(self): |
|
# FIXME: Don't know how icc works on OSX |
|
# if self.icc_type == ICC_OSX: |
|
# return ['-bundle'] |
|
return ['-shared'] |
|
|
|
def get_default_include_dirs(self): |
|
return gnulike_default_include_dirs(self.exelist, self.language)
|
|
|