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()
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__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
42 # This is what we search for to find mingw:
43 key_program = 'mingw32-gcc'
46 # First search in the SCons path and then the OS path:
47 return env.WhereIs(key_program) or SCons.Util.WhereIs(key_program)
49 def shlib_generator(target, source, env, for_signature):
50 cmd = ['$SHLINK', '$SHLINKFLAGS']
52 dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
53 if dll: cmd.extend(['-o', dll])
55 cmd.extend(['$SOURCES', '$_LIBDIRFLAGS', '$_LIBFLAGS'])
57 implib = env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX')
58 if implib: cmd.append('-Wl,--out-implib,'+implib.get_string(for_signature))
60 def_target = env.FindIxes(target, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
61 if def_target: cmd.append('-Wl,--output-def,'+def_target.get_string(for_signature))
65 def shlib_emitter(target, source, env):
66 dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
67 no_import_lib = env.get('no_import_lib', 0)
70 raise SCons.Errors.UserError, "A shared library should have exactly one target with the suffix: %s" % env.subst("$SHLIBSUFFIX")
72 if not no_import_lib and \
73 not env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX'):
75 # Append an import library to the list of targets.
76 target.append(env.ReplaceIxes(dll,
77 'SHLIBPREFIX', 'SHLIBSUFFIX',
78 'LIBPREFIX', 'LIBSUFFIX'))
80 # Append a def file target if there isn't already a def file target
81 # or a def file source. There is no option to disable def file
82 # target emitting, because I can't figure out why someone would ever
83 # want to turn it off.
84 def_source = env.FindIxes(source, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
85 def_target = env.FindIxes(target, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
86 if not def_source and not def_target:
87 target.append(env.ReplaceIxes(dll,
88 'SHLIBPREFIX', 'SHLIBSUFFIX',
89 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX'))
91 return (target, source)
94 shlib_action = SCons.Action.CommandGenerator(shlib_generator)
96 res_builder = SCons.Builder.Builder(action='$RCCOM', suffix='.o')
101 dir = os.path.dirname(mingw)
103 # The mingw bin directory must be added to the path:
104 path = env['ENV'].get('PATH', [])
107 if SCons.Util.is_String(path):
108 path = string.split(path, os.pathsep)
110 env['ENV']['PATH'] = string.join([dir] + path, os.pathsep)
113 # Most of mingw is the same as gcc and friends...
114 gnu_tools = ['gcc', 'g++', 'gnulink', 'ar', 'gas']
115 for tool in gnu_tools:
116 SCons.Tool.Tool(tool)(env)
118 #... but a few things differ:
120 env['SHCCFLAGS'] = '$CCFLAGS'
122 env['SHCXXFLAGS'] = '$CXXFLAGS'
123 env['SHLINKFLAGS'] = '$LINKFLAGS -shared'
124 env['SHLINKCOM'] = shlib_action
125 env['SHLIBEMITTER']= shlib_emitter
128 env['WIN32DEFPREFIX'] = ''
129 env['WIN32DEFSUFFIX'] = '.def'
130 env['SHOBJSUFFIX'] = '.o'
131 env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 1
133 env['RC'] = 'windres'
135 env['RCINCFLAGS'] = '$( ${_concat(RCINCPREFIX, CPPPATH, RCINCSUFFIX, locals(), globals(), RDirs)} $)'
136 env['RCINCPREFIX'] = '--include-dir '
137 env['RCINCSUFFIX'] = ''
138 env['RCCOM'] = '$RC $RCINCFLAGS $RCFLAGS -i $SOURCE -o $TARGET'
139 CScan = env.get_scanner('.c')
141 CScan.add_skey('.rc')
142 env['BUILDERS']['RES'] = res_builder
144 # Some setting from the platform also have to be overridden:
145 env['OBJSUFFIX'] = '.o'
146 env['LIBPREFIX'] = 'lib'
147 env['LIBSUFFIX'] = '.a'