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()
12 # Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 The SCons Foundation
14 # Permission is hereby granted, free of charge, to any person obtaining
15 # a copy of this software and associated documentation files (the
16 # "Software"), to deal in the Software without restriction, including
17 # without limitation the rights to use, copy, modify, merge, publish,
18 # distribute, sublicense, and/or sell copies of the Software, and to
19 # permit persons to whom the Software is furnished to do so, subject to
20 # the following conditions:
22 # The above copyright notice and this permission notice shall be included
23 # in all copies or substantial portions of the Software.
25 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
26 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
27 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
29 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
30 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
31 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 __revision__ = "src/engine/SCons/Tool/mingw.py 3842 2008/12/20 22:59:52 scons"
46 # This is what we search for to find mingw:
47 key_program = 'mingw32-gcc'
50 # First search in the SCons path and then the OS path:
51 return env.WhereIs(key_program) or SCons.Util.WhereIs(key_program)
53 def shlib_generator(target, source, env, for_signature):
54 cmd = SCons.Util.CLVar(['$SHLINK', '$SHLINKFLAGS'])
56 dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
57 if dll: cmd.extend(['-o', dll])
59 cmd.extend(['$SOURCES', '$_LIBDIRFLAGS', '$_LIBFLAGS'])
61 implib = env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX')
62 if implib: cmd.append('-Wl,--out-implib,'+implib.get_string(for_signature))
64 def_target = env.FindIxes(target, 'WINDOWSDEFPREFIX', 'WINDOWSDEFSUFFIX')
65 if def_target: cmd.append('-Wl,--output-def,'+def_target.get_string(for_signature))
69 def shlib_emitter(target, source, env):
70 dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
71 no_import_lib = env.get('no_import_lib', 0)
74 raise SCons.Errors.UserError, "A shared library should have exactly one target with the suffix: %s" % env.subst("$SHLIBSUFFIX")
76 if not no_import_lib and \
77 not env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX'):
79 # Append an import library to the list of targets.
80 target.append(env.ReplaceIxes(dll,
81 'SHLIBPREFIX', 'SHLIBSUFFIX',
82 'LIBPREFIX', 'LIBSUFFIX'))
84 # Append a def file target if there isn't already a def file target
85 # or a def file source. There is no option to disable def file
86 # target emitting, because I can't figure out why someone would ever
87 # want to turn it off.
88 def_source = env.FindIxes(source, 'WINDOWSDEFPREFIX', 'WINDOWSDEFSUFFIX')
89 def_target = env.FindIxes(target, 'WINDOWSDEFPREFIX', 'WINDOWSDEFSUFFIX')
90 if not def_source and not def_target:
91 target.append(env.ReplaceIxes(dll,
92 'SHLIBPREFIX', 'SHLIBSUFFIX',
93 'WINDOWSDEFPREFIX', 'WINDOWSDEFSUFFIX'))
95 return (target, source)
98 shlib_action = SCons.Action.Action(shlib_generator, generator=1)
100 res_action = SCons.Action.Action('$RCCOM', '$RCCOMSTR')
102 res_builder = SCons.Builder.Builder(action=res_action, suffix='.o',
103 source_scanner=SCons.Tool.SourceFileScanner)
104 SCons.Tool.SourceFileScanner.add_scanner('.rc', SCons.Defaults.CScan)
109 dir = os.path.dirname(mingw)
110 env.PrependENVPath('PATH', dir )
113 # Most of mingw is the same as gcc and friends...
114 gnu_tools = ['gcc', 'g++', 'gnulink', 'ar', 'gas', 'm4']
115 for tool in gnu_tools:
116 SCons.Tool.Tool(tool)(env)
118 #... but a few things differ:
120 env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS')
122 env['SHCXXFLAGS'] = SCons.Util.CLVar('$CXXFLAGS')
123 env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -shared')
124 env['SHLINKCOM'] = shlib_action
125 env['LDMODULECOM'] = shlib_action
126 env.Append(SHLIBEMITTER = [shlib_emitter])
129 env['WIN32DEFPREFIX'] = ''
130 env['WIN32DEFSUFFIX'] = '.def'
131 env['WINDOWSDEFPREFIX'] = '${WIN32DEFPREFIX}'
132 env['WINDOWSDEFSUFFIX'] = '${WIN32DEFSUFFIX}'
134 env['SHOBJSUFFIX'] = '.o'
135 env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 1
137 env['RC'] = 'windres'
138 env['RCFLAGS'] = SCons.Util.CLVar('')
139 env['RCINCFLAGS'] = '$( ${_concat(RCINCPREFIX, CPPPATH, RCINCSUFFIX, __env__, RDirs, TARGET, SOURCE)} $)'
140 env['RCINCPREFIX'] = '--include-dir '
141 env['RCINCSUFFIX'] = ''
142 env['RCCOM'] = '$RC $_CPPDEFFLAGS $RCINCFLAGS ${RCINCPREFIX} ${SOURCE.dir} $RCFLAGS -i $SOURCE -o $TARGET'
143 env['BUILDERS']['RES'] = res_builder
145 # Some setting from the platform also have to be overridden:
146 env['OBJSUFFIX'] = '.o'
147 env['LIBPREFIX'] = 'lib'
148 env['LIBSUFFIX'] = '.a'