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"""SCons.Tool.gcc
Tool-specific initialization for MinGW (http://www.mingw.org/)
There normally shouldn't be any need to import this module directly.
It will usually be imported through the generic SCons.Tool.Tool()
selection method.
"""
#
# __COPYRIGHT__
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
import os
import os.path
import string
import SCons.Action
import SCons.Builder
import SCons.Defaults
import SCons.Tool
import SCons.Util
# This is what we search for to find mingw:
key_program = 'mingw32-gcc'
def find(env):
# First search in the SCons path and then the OS path:
return env.WhereIs(key_program) or SCons.Util.WhereIs(key_program)
def shlib_generator(target, source, env, for_signature):
cmd = SCons.Util.CLVar(['$SHLINK', '$SHLINKFLAGS'])
dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
if dll: cmd.extend(['-o', dll])
cmd.extend(['$SOURCES', '$_LIBDIRFLAGS', '$_LIBFLAGS'])
implib = env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX')
if implib: cmd.append('-Wl,--out-implib,'+implib.get_string(for_signature))
def_target = env.FindIxes(target, 'WINDOWSDEFPREFIX', 'WINDOWSDEFSUFFIX')
if def_target: cmd.append('-Wl,--output-def,'+def_target.get_string(for_signature))
return [cmd]
def shlib_emitter(target, source, env):
dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
no_import_lib = env.get('no_import_lib', 0)
if not dll:
raise SCons.Errors.UserError, "A shared library should have exactly one target with the suffix: %s" % env.subst("$SHLIBSUFFIX")
if not no_import_lib and \
not env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX'):
# Append an import library to the list of targets.
target.append(env.ReplaceIxes(dll,
'SHLIBPREFIX', 'SHLIBSUFFIX',
'LIBPREFIX', 'LIBSUFFIX'))
# Append a def file target if there isn't already a def file target
# or a def file source. There is no option to disable def file
# target emitting, because I can't figure out why someone would ever
# want to turn it off.
def_source = env.FindIxes(source, 'WINDOWSDEFPREFIX', 'WINDOWSDEFSUFFIX')
def_target = env.FindIxes(target, 'WINDOWSDEFPREFIX', 'WINDOWSDEFSUFFIX')
if not def_source and not def_target:
target.append(env.ReplaceIxes(dll,
'SHLIBPREFIX', 'SHLIBSUFFIX',
'WINDOWSDEFPREFIX', 'WINDOWSDEFSUFFIX'))
return (target, source)
shlib_action = SCons.Action.Action(shlib_generator, generator=1)
res_action = SCons.Action.Action('$RCCOM', '$RCCOMSTR')
res_builder = SCons.Builder.Builder(action=res_action, suffix='.o',
source_scanner=SCons.Tool.SourceFileScanner)
SCons.Tool.SourceFileScanner.add_scanner('.rc', SCons.Defaults.CScan)
def generate(env):
mingw = find(env)
if mingw:
dir = os.path.dirname(mingw)
# The mingw bin directory must be added to the path:
path = env['ENV'].get('PATH', [])
if not path:
path = []
if SCons.Util.is_String(path):
path = string.split(path, os.pathsep)
env['ENV']['PATH'] = string.join([dir] + path, os.pathsep)
# Most of mingw is the same as gcc and friends...
gnu_tools = ['gcc', 'g++', 'gnulink', 'ar', 'gas', 'm4']
for tool in gnu_tools:
SCons.Tool.Tool(tool)(env)
#... but a few things differ:
env['CC'] = 'gcc'
env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS')
env['CXX'] = 'g++'
env['SHCXXFLAGS'] = SCons.Util.CLVar('$CXXFLAGS')
env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -shared')
env['SHLINKCOM'] = shlib_action
env.Append(SHLIBEMITTER = [shlib_emitter])
env['AS'] = 'as'
env['WIN32DEFPREFIX'] = ''
env['WIN32DEFSUFFIX'] = '.def'
env['WINDOWSDEFPREFIX'] = '${WIN32DEFPREFIX}'
env['WINDOWSDEFSUFFIX'] = '${WIN32DEFSUFFIX}'
env['SHOBJSUFFIX'] = '.o'
env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 1
env['RC'] = 'windres'
env['RCFLAGS'] = SCons.Util.CLVar('')
env['RCINCFLAGS'] = '$( ${_concat(RCINCPREFIX, CPPPATH, RCINCSUFFIX, __env__, RDirs, TARGET, SOURCE)} $)'
env['RCINCPREFIX'] = '--include-dir '
env['RCINCSUFFIX'] = ''
env['RCCOM'] = '$RC $_CPPDEFFLAGS $RCINCFLAGS ${RCINCPREFIX} ${SOURCE.dir} $RCFLAGS -i $SOURCE -o $TARGET'
env['BUILDERS']['RES'] = res_builder
# Some setting from the platform also have to be overridden:
env['OBJSUFFIX'] = '.o'
env['LIBPREFIX'] = 'lib'
env['LIBSUFFIX'] = '.a'
def exists(env):
return find(env)
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