tool for cross-compiling mingw
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@4032 212acab6-be3b-0410-9dea-997c60f758d6
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175
SCons/Tools/crossmingw.py
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175
SCons/Tools/crossmingw.py
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"""SCons.Tool.gcc
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Tool-specific initialization for MinGW (http://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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#
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# Copyright (c) 2001, 2002, 2003, 2004 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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#
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__revision__ = "/home/scons/scons/branch.0/branch.96/baseline/src/engine/SCons/Tool/mingw.py 0.96.90.D001 2005/02/15 20:11:37 knight"
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import os
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import os.path
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import string
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import SCons.Action
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import SCons.Builder
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import SCons.Tool
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import SCons.Util
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# This is what we search for to find mingw:
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prefixes = SCons.Util.Split("""
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mingw32-
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i386-mingw32msvc-
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i486-mingw32msvc-
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i586-mingw32msvc-
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i686-mingw32msvc-
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""")
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def find(env):
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for prefix in prefixes:
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# First search in the SCons path and then the OS path:
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if env.WhereIs(prefix + 'gcc') or SCons.Util.WhereIs(prefix + 'gcc'):
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return prefix
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return ''
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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', '$_LIBFLAGS'])
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implib = env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX')
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if implib: cmd.append('-Wl,--out-implib,'+implib.get_string(for_signature))
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def_target = env.FindIxes(target, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
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if def_target: cmd.append('-Wl,--output-def,'+def_target.get_string(for_signature))
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return [cmd]
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def shlib_emitter(target, source, env):
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dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
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no_import_lib = env.get('no_import_lib', 0)
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if not dll:
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raise SCons.Errors.UserError, "A shared library should have exactly one target with the suffix: %s" % env.subst("$SHLIBSUFFIX")
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if not no_import_lib and \
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not env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX'):
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# Append an import library to the list of targets.
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target.append(env.ReplaceIxes(dll,
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'SHLIBPREFIX', 'SHLIBSUFFIX',
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'LIBPREFIX', 'LIBSUFFIX'))
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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. There is no option to disable def file
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# target emitting, because I can't figure out why someone would ever
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# want to turn it off.
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def_source = env.FindIxes(source, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
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def_target = env.FindIxes(target, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
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if not def_source and not def_target:
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target.append(env.ReplaceIxes(dll,
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'SHLIBPREFIX', 'SHLIBSUFFIX',
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'WIN32DEFPREFIX', 'WIN32DEFSUFFIX'))
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return (target, source)
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shlib_action = SCons.Action.CommandGenerator(shlib_generator)
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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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def generate(env):
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mingw_prefix = find(env)
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if mingw_prefix:
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dir = os.path.dirname(env.WhereIs(mingw_prefix + 'gcc') or SCons.Util.WhereIs(mingw_prefix + 'gcc'))
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# The mingw bin directory must be added to the path:
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path = env['ENV'].get('PATH', [])
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if not path:
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path = []
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if SCons.Util.is_String(path):
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path = string.split(path, os.pathsep)
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env['ENV']['PATH'] = string.join([dir] + path, os.pathsep)
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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']
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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'] = mingw_prefix + 'gcc'
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env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS')
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env['CXX'] = mingw_prefix + 'g++'
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env['SHCXXFLAGS'] = SCons.Util.CLVar('$CXXFLAGS')
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env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -shared')
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env['SHLINKCOM'] = shlib_action
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env.Append(SHLIBEMITTER = [shlib_emitter])
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env['LINK'] = mingw_prefix + 'g++'
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env['AS'] = mingw_prefix + 'as'
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env['WIN32DEFPREFIX'] = ''
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env['WIN32DEFSUFFIX'] = '.def'
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env['SHOBJSUFFIX'] = '.o'
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env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 1
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env['RC'] = mingw_prefix + 'windres'
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env['RCFLAGS'] = SCons.Util.CLVar('')
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env['RCINCFLAGS'] = '$( ${_concat(RCINCPREFIX, CPPPATH, RCINCSUFFIX, __env__, RDirs, TARGET)} $)'
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env['RCINCPREFIX'] = '--include-dir '
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env['RCINCSUFFIX'] = ''
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env['RCCOM'] = '$RC $RCINCFLAGS $RCINCPREFIX $SOURCE.dir $RCFLAGS -i $SOURCE -o $TARGET'
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env['BUILDERS']['RES'] = res_builder
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# Some setting from the platform also have to be overridden:
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env['OBJPREFIX'] = ''
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env['OBJSUFFIX'] = '.o'
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env['LIBPREFIX'] = 'lib'
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env['LIBSUFFIX'] = '.a'
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env['SHOBJPREFIX'] = '$OBJPREFIX'
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env['SHOBJSUFFIX'] = '$OBJSUFFIX'
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env['PROGPREFIX'] = ''
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env['PROGSUFFIX'] = '.exe'
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env['LIBPREFIX'] = ''
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env['LIBSUFFIX'] = '.lib'
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env['SHLIBPREFIX'] = ''
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env['SHLIBSUFFIX'] = '.dll'
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env['LIBPREFIXES'] = [ '$LIBPREFIX' ]
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env['LIBSUFFIXES'] = [ '$LIBSUFFIX' ]
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def exists(env):
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return find(env)
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