diff options
Diffstat (limited to '3rdparty/openpgm-svn-r1135/pgm/crossmingw64.py')
| -rw-r--r-- | 3rdparty/openpgm-svn-r1135/pgm/crossmingw64.py | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/3rdparty/openpgm-svn-r1135/pgm/crossmingw64.py b/3rdparty/openpgm-svn-r1135/pgm/crossmingw64.py new file mode 100644 index 0000000..111e0ed --- /dev/null +++ b/3rdparty/openpgm-svn-r1135/pgm/crossmingw64.py @@ -0,0 +1,140 @@ +import os +import os.path +import string + +import SCons.Action +import SCons.Builder +import SCons.Tool +import SCons.Util + +# This is what we search for to find mingw: +prefixes = SCons.Util.Split(""" + x86_64-w64-mingw32- +""") + +def find(env): + for prefix in prefixes: + # First search in the SCons path and then the OS path: + if env.WhereIs(prefix + 'gcc') or SCons.Util.WhereIs(prefix + 'gcc'): + return prefix + + return '' + +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', '$_LIBFLAGS']) + + implib = env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX') + if implib: cmd.append('-Wl,--out-implib,'+implib.get_string(for_signature)) + + def_target = env.FindIxes(target, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX') + if def_target: cmd.append('-Wl,--output-def,'+def_target.get_string(for_signature)) + + return [cmd] + +def shlib_emitter(target, source, env): + dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX') + no_import_lib = env.get('no_import_lib', 0) + + if not dll: + raise SCons.Errors.UserError, "A shared library should have exactly one target with the suffix: %s" % env.subst("$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, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX') + def_target = env.FindIxes(target, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX') + if not def_source and not def_target: + target.append(env.ReplaceIxes(dll, + 'SHLIBPREFIX', 'SHLIBSUFFIX', + 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')) + + return (target, source) + +# TODO: Backported to old scons version +#shlib_action = SCons.Action.CommandGenerator(shlib_generator) +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_prefix = find(env) + + if mingw_prefix: + dir = os.path.dirname(env.WhereIs(mingw_prefix + 'gcc') or SCons.Util.WhereIs(mingw_prefix + 'gcc')) + + # 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'] + for tool in gnu_tools: + SCons.Tool.Tool(tool)(env) + + #... but a few things differ: + env['CC'] = mingw_prefix + 'gcc' + env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS') + env['CXX'] = mingw_prefix + 'g++' + env['SHCXXFLAGS'] = SCons.Util.CLVar('$CXXFLAGS') + env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -shared') + env['SHLINKCOM'] = shlib_action + env.Append(SHLIBEMITTER = [shlib_emitter]) + # This line isn't required and breaks C++ linking + #env['LINK'] = mingw_prefix + 'g++' + env['AS'] = mingw_prefix + 'as' + env['AR'] = mingw_prefix + 'ar' + env['RANLIB'] = mingw_prefix + 'ranlib' + env['WIN32DEFPREFIX'] = '' + env['WIN32DEFSUFFIX'] = '.def' + env['SHOBJSUFFIX'] = '.o' + env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 1 + + env['RC'] = mingw_prefix + 'windres' + env['RCFLAGS'] = SCons.Util.CLVar('') + env['RCINCFLAGS'] = '$( ${_concat(RCINCPREFIX, CPPPATH, RCINCSUFFIX, __env__, RDirs, TARGET)} $)' + env['RCINCPREFIX'] = '--include-dir ' + env['RCINCSUFFIX'] = '' + env['RCCOM'] = '$RC $RCINCFLAGS $RCINCPREFIX $SOURCE.dir $RCFLAGS -i $SOURCE -o $TARGET' + env['BUILDERS']['RES'] = res_builder + + # Some setting from the platform also have to be overridden: + env['OBJPREFIX'] = '' + env['OBJSUFFIX'] = '.o' + env['LIBPREFIX'] = 'lib' + env['LIBSUFFIX'] = '.a' + env['SHOBJPREFIX'] = '$OBJPREFIX' + env['SHOBJSUFFIX'] = '$OBJSUFFIX' + env['PROGPREFIX'] = '' + env['PROGSUFFIX'] = '.exe' + env['LIBPREFIX'] = '' + env['LIBSUFFIX'] = '.lib' + env['SHLIBPREFIX'] = '' + env['SHLIBSUFFIX'] = '.dll' + env['LIBPREFIXES'] = [ '$LIBPREFIX' ] + env['LIBSUFFIXES'] = [ '$LIBSUFFIX' ] + +def exists(env): + return find(env) |