3 Tool-specific initialization for MinGW (http://www.mingw.org/)
5 There normally shouldn't be any need to import this module directly.
6 It will usually be imported through the generic SCons.Tool.Tool()
9 See also http://www.scons.org/wiki/CrossCompilingMingw
13 # Copyright (c) 2001, 2002, 2003, 2004 The SCons Foundation
15 # Permission is hereby granted, free of charge, to any person obtaining
16 # a copy of this software and associated documentation files (the
17 # "Software"), to deal in the Software without restriction, including
18 # without limitation the rights to use, copy, modify, merge, publish,
19 # distribute, sublicense, and/or sell copies of the Software, and to
20 # permit persons to whom the Software is furnished to do so, subject to
21 # the following conditions:
23 # The above copyright notice and this permission notice shall be included
24 # in all copies or substantial portions of the Software.
26 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
27 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
28 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
30 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
31 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
32 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
44 # This is what we search for to find mingw:
45 prefixes32 = SCons.Util.Split("""
59 prefixes64 = SCons.Util.Split("""
67 if env['machine'] == 'x86_64':
71 for prefix in prefixes:
72 # First search in the SCons path and then the OS path:
73 if env.WhereIs(prefix + 'gcc') or SCons.Util.WhereIs(prefix + 'gcc'):
78 def shlib_generator(target, source, env, for_signature):
79 cmd = SCons.Util.CLVar(['$SHLINK', '$SHLINKFLAGS'])
81 dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
82 if dll: cmd.extend(['-o', dll])
84 cmd.extend(['$SOURCES', '$_LIBDIRFLAGS', '$_LIBFLAGS'])
86 implib = env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX')
87 if implib: cmd.append('-Wl,--out-implib,'+implib.get_string(for_signature))
89 def_target = env.FindIxes(target, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
90 if def_target: cmd.append('-Wl,--output-def,'+def_target.get_string(for_signature))
94 def shlib_emitter(target, source, env):
95 dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
96 no_import_lib = env.get('no_import_lib', 0)
99 raise SCons.Errors.UserError, "A shared library should have exactly one target with the suffix: %s" % env.subst("$SHLIBSUFFIX")
101 if not no_import_lib and \
102 not env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX'):
104 # Append an import library to the list of targets.
105 target.append(env.ReplaceIxes(dll,
106 'SHLIBPREFIX', 'SHLIBSUFFIX',
107 'LIBPREFIX', 'LIBSUFFIX'))
109 # Append a def file target if there isn't already a def file target
110 # or a def file source. There is no option to disable def file
111 # target emitting, because I can't figure out why someone would ever
112 # want to turn it off.
113 def_source = env.FindIxes(source, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
114 def_target = env.FindIxes(target, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
115 if not def_source and not def_target:
116 target.append(env.ReplaceIxes(dll,
117 'SHLIBPREFIX', 'SHLIBSUFFIX',
118 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX'))
120 return (target, source)
123 shlib_action = SCons.Action.Action(shlib_generator, '$SHLINKCOMSTR', generator=1)
125 res_action = SCons.Action.Action('$RCCOM', '$RCCOMSTR')
127 res_builder = SCons.Builder.Builder(action=res_action, suffix='.o',
128 source_scanner=SCons.Tool.SourceFileScanner)
129 SCons.Tool.SourceFileScanner.add_scanner('.rc', SCons.Defaults.CScan)
134 mingw_prefix = find(env)
137 dir = os.path.dirname(env.WhereIs(mingw_prefix + 'gcc') or SCons.Util.WhereIs(mingw_prefix + 'gcc'))
139 # The mingw bin directory must be added to the path:
140 path = env['ENV'].get('PATH', [])
143 if SCons.Util.is_String(path):
144 path = string.split(path, os.pathsep)
146 env['ENV']['PATH'] = string.join([dir] + path, os.pathsep)
148 # Most of mingw is the same as gcc and friends...
149 gnu_tools = ['gcc', 'g++', 'gnulink', 'ar', 'gas']
150 for tool in gnu_tools:
151 SCons.Tool.Tool(tool)(env)
153 #... but a few things differ:
154 env['CC'] = mingw_prefix + 'gcc'
155 env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS')
156 env['CXX'] = mingw_prefix + 'g++'
157 env['SHCXXFLAGS'] = SCons.Util.CLVar('$CXXFLAGS')
158 env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -shared')
159 env['SHLINKCOM'] = shlib_action
160 env.Append(SHLIBEMITTER = [shlib_emitter])
161 env['LINK'] = mingw_prefix + 'g++'
162 env['AR'] = mingw_prefix + 'ar'
163 env['RANLIB'] = mingw_prefix + 'ranlib'
164 env['LINK'] = mingw_prefix + 'g++'
165 env['AS'] = mingw_prefix + 'as'
166 env['WIN32DEFPREFIX'] = ''
167 env['WIN32DEFSUFFIX'] = '.def'
168 env['SHOBJSUFFIX'] = '.o'
169 env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 1
171 env['RC'] = mingw_prefix + 'windres'
172 env['RCFLAGS'] = SCons.Util.CLVar('')
173 env['RCCOM'] = '$RC $_CPPDEFFLAGS $_CPPINCFLAGS ${INCPREFIX}${SOURCE.dir} $RCFLAGS -i $SOURCE -o $TARGET'
174 env['BUILDERS']['RES'] = res_builder
176 # Some setting from the platform also have to be overridden:
177 env['OBJPREFIX'] = ''
178 env['OBJSUFFIX'] = '.o'
179 env['SHOBJPREFIX'] = '$OBJPREFIX'
180 env['SHOBJSUFFIX'] = '$OBJSUFFIX'
181 env['PROGPREFIX'] = ''
182 env['PROGSUFFIX'] = '.exe'
183 env['LIBPREFIX'] = 'lib'
184 env['LIBSUFFIX'] = '.a'
185 env['SHLIBPREFIX'] = ''
186 env['SHLIBSUFFIX'] = '.dll'
187 env['LIBPREFIXES'] = [ 'lib', '' ]
188 env['LIBSUFFIXES'] = [ '.a', '.lib' ]