TakeV/dxx-rebirth
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Add initial LTO support

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Kp 2014-06-29 23:26:05 +00:00
parent 6384f8dffe
commit d8ca0b2e70
1 changed files with 8 additions and 0 deletions
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8
SConstruct
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@ -112,6 +112,9 @@ class ConfigureTests:
def _extend_successflags(self,k,v): def _extend_successflags(self,k,v):
self.successful_flags.setdefault(k, []).extend(v) self.successful_flags.setdefault(k, []).extend(v)
def Compile(self,context,**kwargs): def Compile(self,context,**kwargs):
if self.user_settings.lto:
self.Compile = self.Link
return self.Link(context, **kwargs)
return self._Test(context,action=context.TryCompile, **kwargs) return self._Test(context,action=context.TryCompile, **kwargs)
def Link(self,context,**kwargs): def Link(self,context,**kwargs):
return self._Test(context,action=context.TryLink, **kwargs) return self._Test(context,action=context.TryLink, **kwargs)
@ -896,6 +899,7 @@ class DXXCommon(LazyObjectConstructor):
fields.append(''.join(a[1] if getattr(self, a[0]) else (a[2] if len(a) > 2 else '') fields.append(''.join(a[1] if getattr(self, a[0]) else (a[2] if len(a) > 2 else '')
for a in ( for a in (
('debug', 'dbg'), ('debug', 'dbg'),
('lto', 'lto'),
('profiler', 'prf'), ('profiler', 'prf'),
('editor', 'ed'), ('editor', 'ed'),
('opengl', 'ogl', 'sdl'), ('opengl', 'ogl', 'sdl'),
@ -957,6 +961,7 @@ class DXXCommon(LazyObjectConstructor):
'arguments': ( 'arguments': (
('debug', False, 'build DEBUG binary which includes asserts, debugging output, cheats and more output'), ('debug', False, 'build DEBUG binary which includes asserts, debugging output, cheats and more output'),
('memdebug', self.default_memdebug, 'build with malloc tracking'), ('memdebug', self.default_memdebug, 'build with malloc tracking'),
('lto', False, 'enable gcc link time optimization'),
('profiler', False, 'profiler build'), ('profiler', False, 'profiler build'),
('opengl', True, 'build with OpenGL support'), ('opengl', True, 'build with OpenGL support'),
('opengles', self.default_opengles, 'build with OpenGL ES support'), ('opengles', self.default_opengles, 'build with OpenGL ES support'),
@ -1242,6 +1247,9 @@ class DXXCommon(LazyObjectConstructor):
self.env.Append(**{flags : SCons.Util.CLVar(value)}) self.env.Append(**{flags : SCons.Util.CLVar(value)})
if self.user_settings.LDFLAGS: if self.user_settings.LDFLAGS:
self.env.Append(LINKFLAGS = SCons.Util.CLVar(self.user_settings.LDFLAGS)) self.env.Append(LINKFLAGS = SCons.Util.CLVar(self.user_settings.LDFLAGS))
if self.user_settings.lto:
f = ['-flto', '-fno-fat-lto-objects']
self.env.Append(CXXFLAGS = f, LINKFLAGS = f)
def check_endian(self): def check_endian(self):
# set endianess # set endianess