mingw.py
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上传日期:2018-11-18
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- """SCons.Tool.gcc
- Tool-specific initialization for MinGW (http://www.mingw.org/)
- There normally shouldn't be any need to import this module directly.
- It will usually be imported through the generic SCons.Tool.Tool()
- selection method.
- """
- #
- # Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 The SCons Foundation
- #
- # Permission is hereby granted, free of charge, to any person obtaining
- # a copy of this software and associated documentation files (the
- # "Software"), to deal in the Software without restriction, including
- # without limitation the rights to use, copy, modify, merge, publish,
- # distribute, sublicense, and/or sell copies of the Software, and to
- # permit persons to whom the Software is furnished to do so, subject to
- # the following conditions:
- #
- # The above copyright notice and this permission notice shall be included
- # in all copies or substantial portions of the Software.
- #
- # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
- # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
- # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- #
- __revision__ = "src/engine/SCons/Tool/mingw.py 3057 2008/06/09 22:21:00 knight"
- import os
- import os.path
- import string
- import SCons.Action
- import SCons.Builder
- import SCons.Defaults
- import SCons.Tool
- import SCons.Util
- # This is what we search for to find mingw:
- key_program = 'mingw32-gcc'
- def find(env):
- # First search in the SCons path and then the OS path:
- return env.WhereIs(key_program) or SCons.Util.WhereIs(key_program)
- def shlib_generator(target, source, env, for_signature):
- cmd = SCons.Util.CLVar(['$SHLINK', '$SHLINKFLAGS'])
- dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
- if dll: cmd.extend(['-o', dll])
- cmd.extend(['$SOURCES', '$_LIBDIRFLAGS', '$_LIBFLAGS'])
- implib = env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX')
- if implib: cmd.append('-Wl,--out-implib,'+implib.get_string(for_signature))
- def_target = env.FindIxes(target, 'WINDOWSDEFPREFIX', 'WINDOWSDEFSUFFIX')
- if def_target: cmd.append('-Wl,--output-def,'+def_target.get_string(for_signature))
- return [cmd]
- def shlib_emitter(target, source, env):
- dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
- no_import_lib = env.get('no_import_lib', 0)
- if not dll:
- raise SCons.Errors.UserError, "A shared library should have exactly one target with the suffix: %s" % env.subst("$SHLIBSUFFIX")
-
- if not no_import_lib and
- not env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX'):
- # Append an import library to the list of targets.
- target.append(env.ReplaceIxes(dll,
- 'SHLIBPREFIX', 'SHLIBSUFFIX',
- 'LIBPREFIX', 'LIBSUFFIX'))
- # Append a def file target if there isn't already a def file target
- # or a def file source. There is no option to disable def file
- # target emitting, because I can't figure out why someone would ever
- # want to turn it off.
- def_source = env.FindIxes(source, 'WINDOWSDEFPREFIX', 'WINDOWSDEFSUFFIX')
- def_target = env.FindIxes(target, 'WINDOWSDEFPREFIX', 'WINDOWSDEFSUFFIX')
- if not def_source and not def_target:
- target.append(env.ReplaceIxes(dll,
- 'SHLIBPREFIX', 'SHLIBSUFFIX',
- 'WINDOWSDEFPREFIX', 'WINDOWSDEFSUFFIX'))
-
- return (target, source)
-
- shlib_action = SCons.Action.Action(shlib_generator, generator=1)
- res_action = SCons.Action.Action('$RCCOM', '$RCCOMSTR')
- res_builder = SCons.Builder.Builder(action=res_action, suffix='.o',
- source_scanner=SCons.Tool.SourceFileScanner)
- SCons.Tool.SourceFileScanner.add_scanner('.rc', SCons.Defaults.CScan)
- def generate(env):
- mingw = find(env)
- if mingw:
- dir = os.path.dirname(mingw)
- env.PrependENVPath('PATH', dir )
-
- # Most of mingw is the same as gcc and friends...
- gnu_tools = ['gcc', 'g++', 'gnulink', 'ar', 'gas', 'm4']
- for tool in gnu_tools:
- SCons.Tool.Tool(tool)(env)
- #... but a few things differ:
- env['CC'] = 'gcc'
- env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS')
- env['CXX'] = 'g++'
- env['SHCXXFLAGS'] = SCons.Util.CLVar('$CXXFLAGS')
- env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -shared')
- env['SHLINKCOM'] = shlib_action
- env['LDMODULECOM'] = shlib_action
- env.Append(SHLIBEMITTER = [shlib_emitter])
- env['AS'] = 'as'
- env['WIN32DEFPREFIX'] = ''
- env['WIN32DEFSUFFIX'] = '.def'
- env['WINDOWSDEFPREFIX'] = '${WIN32DEFPREFIX}'
- env['WINDOWSDEFSUFFIX'] = '${WIN32DEFSUFFIX}'
- env['SHOBJSUFFIX'] = '.o'
- env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 1
- env['RC'] = 'windres'
- env['RCFLAGS'] = SCons.Util.CLVar('')
- env['RCINCFLAGS'] = '$( ${_concat(RCINCPREFIX, CPPPATH, RCINCSUFFIX, __env__, RDirs, TARGET, SOURCE)} $)'
- env['RCINCPREFIX'] = '--include-dir '
- env['RCINCSUFFIX'] = ''
- env['RCCOM'] = '$RC $_CPPDEFFLAGS $RCINCFLAGS ${RCINCPREFIX} ${SOURCE.dir} $RCFLAGS -i $SOURCE -o $TARGET'
- env['BUILDERS']['RES'] = res_builder
-
- # Some setting from the platform also have to be overridden:
- env['OBJSUFFIX'] = '.o'
- env['LIBPREFIX'] = 'lib'
- env['LIBSUFFIX'] = '.a'
- def exists(env):
- return find(env)