234 lines
8.4 KiB
Python
Vendored
234 lines
8.4 KiB
Python
Vendored
# MIT License
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#
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# Copyright The SCons Foundation
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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"""SCons.Tool.gcc
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Tool-specific initialization for MinGW (https://www.mingw.org/)
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There normally shouldn't be any need to import this module directly.
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It will usually be imported through the generic SCons.Tool.Tool()
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selection method.
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"""
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import os
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import os.path
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import glob
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import SCons.Action
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import SCons.Builder
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import SCons.Defaults
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import SCons.Tool
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import SCons.Util
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# TODO: should this be synced with SCons/Platform/mingw.py:MINGW_DEFAULTPATHS
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# i.e. either keep the same, or make sure there's only one?
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mingw_base_paths = [
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r'c:\MinGW\bin',
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r'C:\cygwin64\bin',
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r'C:\msys64',
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r'C:\msys64\mingw64\bin',
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r'C:\cygwin\bin',
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r'C:\msys',
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# Chocolatey mingw (pkg name for MinGW-w64) does not use ChocolateyToolsLocation
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r'C:\ProgramData\chocolatey\lib\mingw\tools\install\mingw64\bin',
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]
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# Chocolatey msys2 uses envvar ChocolateyToolsLocation to base the install
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# location (unless the user supplied additional params). Try to reproduce:
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choco = os.environ.get('ChocolateyToolsLocation')
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if choco:
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mingw_base_paths.append(choco + r'\msys64\bin')
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def shlib_generator(target, source, env, for_signature):
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cmd = SCons.Util.CLVar(['$SHLINK', '$SHLINKFLAGS'])
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dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
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if dll: cmd.extend(['-o', dll])
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cmd.extend(['$SOURCES', '$_LIBDIRFLAGS', '$_LIBFLAGS'])
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implib = env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX')
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if implib: cmd.append('-Wl,--out-implib,' + implib.get_string(for_signature))
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def_target = env.FindIxes(target, 'WINDOWSDEFPREFIX', 'WINDOWSDEFSUFFIX')
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insert_def = env.subst("$WINDOWS_INSERT_DEF")
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if insert_def not in ['', '0', 0] and def_target: \
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cmd.append('-Wl,--output-def,' + def_target.get_string(for_signature))
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return [cmd]
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def shlib_emitter(target, source, env):
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dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
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no_import_lib = env.get('no_import_lib', 0)
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if not dll:
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raise SCons.Errors.UserError(
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"A shared library should have exactly one target with the suffix: %s Target(s) are:%s" % \
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(env.subst("$SHLIBSUFFIX"), ",".join([str(t) for t in target])))
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if not no_import_lib and \
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not env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX'):
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# Create list of target libraries as strings
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targetStrings = env.ReplaceIxes(dll,
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'SHLIBPREFIX', 'SHLIBSUFFIX',
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'LIBPREFIX', 'LIBSUFFIX')
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# Now add file nodes to target list
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target.append(env.fs.File(targetStrings))
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# Append a def file target if there isn't already a def file target
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# or a def file source or the user has explicitly asked for the target
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# to be emitted.
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def_source = env.FindIxes(source, 'WINDOWSDEFPREFIX', 'WINDOWSDEFSUFFIX')
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def_target = env.FindIxes(target, 'WINDOWSDEFPREFIX', 'WINDOWSDEFSUFFIX')
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skip_def_insert = env.subst("$WINDOWS_INSERT_DEF") in ['', '0', 0]
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if not def_source and not def_target and not skip_def_insert:
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# Create list of target libraries and def files as strings
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targetStrings = env.ReplaceIxes(dll,
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'SHLIBPREFIX', 'SHLIBSUFFIX',
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'WINDOWSDEFPREFIX', 'WINDOWSDEFSUFFIX')
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# Now add file nodes to target list
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target.append(env.fs.File(targetStrings))
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return (target, source)
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shlib_action = SCons.Action.Action(shlib_generator, '$SHLINKCOMSTR', generator=1)
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ldmodule_action = SCons.Action.Action(shlib_generator, '$LDMODULECOMSTR', generator=1)
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res_action = SCons.Action.Action('$RCCOM', '$RCCOMSTR')
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res_builder = SCons.Builder.Builder(action=res_action, suffix='.o',
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source_scanner=SCons.Tool.SourceFileScanner)
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SCons.Tool.SourceFileScanner.add_scanner('.rc', SCons.Defaults.CScan)
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# This is what we search for to find mingw:
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# key_program = 'mingw32-gcc'
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key_program = 'mingw32-make'
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def find_version_specific_mingw_paths():
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r"""
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One example of default mingw install paths is:
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C:\mingw-w64\x86_64-6.3.0-posix-seh-rt_v5-rev2\mingw64\bin
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Use glob'ing to find such and add to mingw_base_paths
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"""
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new_paths = glob.glob(r"C:\mingw-w64\*\mingw64\bin")
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return new_paths
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_mingw_all_paths = None
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def get_mingw_paths():
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global _mingw_all_paths
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if _mingw_all_paths is None:
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_mingw_all_paths = mingw_base_paths + find_version_specific_mingw_paths()
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return _mingw_all_paths
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def generate(env) -> None:
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# Check for reasoanble mingw default paths
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mingw_paths = get_mingw_paths()
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mingw = SCons.Tool.find_program_path(env, key_program, default_paths=mingw_paths)
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if mingw:
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mingw_bin_dir = os.path.dirname(mingw)
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# Adjust path if we found it in a chocolatey install
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if mingw_bin_dir == r'C:\ProgramData\chocolatey\bin':
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mingw_bin_dir = r'C:\ProgramData\chocolatey\lib\mingw\tools\install\mingw64\bin'
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env.AppendENVPath('PATH', mingw_bin_dir)
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# Most of mingw is the same as gcc and friends...
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gnu_tools = ['gcc', 'g++', 'gnulink', 'ar', 'gas', 'gfortran', 'm4']
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for tool in gnu_tools:
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SCons.Tool.Tool(tool)(env)
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# ... but a few things differ:
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env['CC'] = 'gcc'
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# make sure the msvc tool doesnt break us, it added a /flag
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if 'CCFLAGS' in env:
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# make sure its a CLVar to handle list or str cases
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if type(env['CCFLAGS']) is not SCons.Util.CLVar:
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env['CCFLAGS'] = SCons.Util.CLVar(env['CCFLAGS'])
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env['CCFLAGS'] = SCons.Util.CLVar(str(env['CCFLAGS']).replace('/nologo', ''))
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env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS')
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env['CXX'] = 'g++'
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env['SHCXXFLAGS'] = SCons.Util.CLVar('$CXXFLAGS')
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env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -shared')
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env['SHLINKCOM'] = shlib_action
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env['SHLINKCOMSTR'] = shlib_generator
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env['LDMODULECOM'] = ldmodule_action
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env.Append(SHLIBEMITTER=[shlib_emitter])
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env.Append(LDMODULEEMITTER=[shlib_emitter])
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env['AS'] = 'as'
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env['WINDOWSDEFPREFIX'] = ''
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env['WINDOWSDEFSUFFIX'] = '.def'
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env['SHOBJSUFFIX'] = '.o'
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env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 1
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env['RC'] = 'windres'
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env['RCFLAGS'] = SCons.Util.CLVar('')
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env['RCINCFLAGS'] = '${_concat(RCINCPREFIX, CPPPATH, RCINCSUFFIX, __env__, RDirs, TARGET, SOURCE, affect_signature=False)}'
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env['RCINCPREFIX'] = '--include-dir '
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env['RCINCSUFFIX'] = ''
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env['RCCOM'] = '$RC $_CPPDEFFLAGS $RCINCFLAGS ${RCINCPREFIX} ${SOURCE.dir} $RCFLAGS -i $SOURCE -o $TARGET'
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env['BUILDERS']['RES'] = res_builder
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# Some setting from the platform also have to be overridden:
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env['OBJSUFFIX'] = '.o'
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env['LIBPREFIX'] = 'lib'
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env['LIBSUFFIX'] = '.a'
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env['PROGSUFFIX'] = '.exe'
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# Handle new versioned shared library logic
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env['_SHLIBSUFFIX'] = '$SHLIBSUFFIX'
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env["SHLIBPREFIX"] = ""
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# Disable creating symlinks for versioned shared library.
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env['SHLIBNOVERSIONSYMLINKS'] = True
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env['LDMODULENOVERSIONSYMLINKS'] = True
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env['IMPLIBNOVERSIONSYMLINKS'] = True
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def exists(env):
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mingw_paths = get_mingw_paths()
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mingw = SCons.Tool.find_program_path(env, key_program, default_paths=mingw_paths)
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if mingw:
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mingw_bin_dir = os.path.dirname(mingw)
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env.AppendENVPath('PATH', mingw_bin_dir)
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return mingw
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# Local Variables:
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# tab-width:4
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# indent-tabs-mode:nil
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# End:
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# vim: set expandtab tabstop=4 shiftwidth=4:
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