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("""
58 prefixes64 = SCons.Util.Split("""
65 if env['machine'] == 'x86_64':
69 for prefix in prefixes:
70 # First search in the SCons path and then the OS path:
71 if env.WhereIs(prefix + 'gcc') or SCons.Util.WhereIs(prefix + 'gcc'):
76 def shlib_generator(target, source, env, for_signature):
77 cmd = SCons.Util.CLVar(['$SHLINK', '$SHLINKFLAGS'])
79 dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
80 if dll: cmd.extend(['-o', dll])
82 cmd.extend(['$SOURCES', '$_LIBDIRFLAGS', '$_LIBFLAGS'])
84 implib = env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX')
85 if implib: cmd.append('-Wl,--out-implib,'+implib.get_string(for_signature))
87 def_target = env.FindIxes(target, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
88 if def_target: cmd.append('-Wl,--output-def,'+def_target.get_string(for_signature))
92 def shlib_emitter(target, source, env):
93 dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
94 no_import_lib = env.get('no_import_lib', 0)
97 raise SCons.Errors.UserError, "A shared library should have exactly one target with the suffix: %s" % env.subst("$SHLIBSUFFIX")
99 if not no_import_lib and \
100 not env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX'):
102 # Append an import library to the list of targets.
103 target.append(env.ReplaceIxes(dll,
104 'SHLIBPREFIX', 'SHLIBSUFFIX',
105 'LIBPREFIX', 'LIBSUFFIX'))
107 # Append a def file target if there isn't already a def file target
108 # or a def file source. There is no option to disable def file
109 # target emitting, because I can't figure out why someone would ever
110 # want to turn it off.
111 def_source = env.FindIxes(source, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
112 def_target = env.FindIxes(target, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')
113 if not def_source and not def_target:
114 target.append(env.ReplaceIxes(dll,
115 'SHLIBPREFIX', 'SHLIBSUFFIX',
116 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX'))
118 return (target, source)
121 shlib_action = SCons.Action.Action(shlib_generator, '$SHLINKCOMSTR', generator=1)
123 res_action = SCons.Action.Action('$RCCOM', '$RCCOMSTR')
125 res_builder = SCons.Builder.Builder(action=res_action, suffix='.o',
126 source_scanner=SCons.Tool.SourceFileScanner)
127 SCons.Tool.SourceFileScanner.add_scanner('.rc', SCons.Defaults.CScan)
130 mingw_prefix = find(env)
133 dir = os.path.dirname(env.WhereIs(mingw_prefix + 'gcc') or SCons.Util.WhereIs(mingw_prefix + 'gcc'))
135 # The mingw bin directory must be added to the path:
136 path = env['ENV'].get('PATH', [])
139 if SCons.Util.is_String(path):
140 path = string.split(path, os.pathsep)
142 env['ENV']['PATH'] = string.join([dir] + path, os.pathsep)
144 # Most of mingw is the same as gcc and friends...
145 gnu_tools = ['gcc', 'g++', 'gnulink', 'ar', 'gas']
146 for tool in gnu_tools:
147 SCons.Tool.Tool(tool)(env)
149 #... but a few things differ:
150 env['CC'] = mingw_prefix + 'gcc'
151 env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS')
152 env['CXX'] = mingw_prefix + 'g++'
153 env['SHCXXFLAGS'] = SCons.Util.CLVar('$CXXFLAGS')
154 env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -shared')
155 env['SHLINKCOM'] = shlib_action
156 env.Append(SHLIBEMITTER = [shlib_emitter])
157 env['LINK'] = mingw_prefix + 'g++'
158 env['AR'] = mingw_prefix + 'ar'
159 env['RANLIB'] = mingw_prefix + 'ranlib'
160 env['LINK'] = mingw_prefix + 'g++'
161 env['AS'] = mingw_prefix + 'as'
162 env['WIN32DEFPREFIX'] = ''
163 env['WIN32DEFSUFFIX'] = '.def'
164 env['SHOBJSUFFIX'] = '.o'
165 env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 1
167 env['RC'] = mingw_prefix + 'windres'
168 env['RCFLAGS'] = SCons.Util.CLVar('')
169 env['RCCOM'] = '$RC $_CPPDEFFLAGS $_CPPINCFLAGS ${INCPREFIX}${SOURCE.dir} $RCFLAGS -i $SOURCE -o $TARGET'
170 env['BUILDERS']['RES'] = res_builder
172 # Some setting from the platform also have to be overridden:
173 env['OBJPREFIX'] = ''
174 env['OBJSUFFIX'] = '.o'
175 env['SHOBJPREFIX'] = '$OBJPREFIX'
176 env['SHOBJSUFFIX'] = '$OBJSUFFIX'
177 env['PROGPREFIX'] = ''
178 env['PROGSUFFIX'] = '.exe'
179 env['LIBPREFIX'] = 'lib'
180 env['LIBSUFFIX'] = '.a'
181 env['SHLIBPREFIX'] = ''
182 env['SHLIBSUFFIX'] = '.dll'
183 env['LIBPREFIXES'] = [ 'lib', '' ]
184 env['LIBSUFFIXES'] = [ '.a', '.lib' ]
186 # MinGW port of gdb does not handle well dwarf debug info which is the
187 # default in recent gcc versions
188 env.AppendUnique(CCFLAGS = ['-gstabs'])
190 env.AppendUnique(CPPDEFINES = [('__MSVCRT_VERSION__', '0x0700')])
191 #env.AppendUnique(LIBS = ['iberty'])
192 env.AppendUnique(SHLINKFLAGS = ['-Wl,--enable-stdcall-fixup'])
193 #env.AppendUnique(SHLINKFLAGS = ['-Wl,--kill-at'])