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):
self.successful_flags.setdefault(k, []).extend(v)
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)
def Link(self,context,**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 '')
for a in (
('debug', 'dbg'),
('lto', 'lto'),
('profiler', 'prf'),
('editor', 'ed'),
('opengl', 'ogl', 'sdl'),
@ -957,6 +961,7 @@ class DXXCommon(LazyObjectConstructor):
'arguments': (
('debug', False, 'build DEBUG binary which includes asserts, debugging output, cheats and more output'),
('memdebug', self.default_memdebug, 'build with malloc tracking'),
('lto', False, 'enable gcc link time optimization'),
('profiler', False, 'profiler build'),
('opengl', True, 'build with OpenGL 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)})
if 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):
# set endianess