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wscript: add --enable-lto option

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iZarif 2019-10-06 05:28:44 +04:00 committed by Alibek Omarov
parent fa16c49246
commit 4c559a4a08
1 changed files with 11 additions and 0 deletions
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11
wscript
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@ -58,6 +58,9 @@ def options(opt):
grp.add_option('--enable-bsp2', action = 'store_true', dest = 'SUPPORT_BSP2_FORMAT', default = False,
help = 'build engine and renderers with BSP2 map support(recommended for Quake, breaks compability!)')
grp.add_option('--enable-lto', action = 'store_true', dest = 'LTO', default = False,
help = 'enable Link Time Optimization')
opt.load('subproject')
opt.add_subproject(subdirs())
@ -222,6 +225,14 @@ def configure(conf):
conf.env.append_unique('CFLAGS', cflags + conf.filter_cflags(compiler_optional_flags + c_compiler_optional_flags, cflags, False))
conf.env.append_unique('CXXFLAGS', cflags + conf.filter_cflags(compiler_optional_flags, cflags, True))
if conf.options.LTO:
if conf.env.COMPILER_CC == 'gcc' or conf.env.COMPILER_CC == 'clang':
conf.env.append_unique('CFLAGS', '-flto')
conf.env.append_unique('LINKFLAGS', '-flto')
elif conf.env.COMPILER_CC == 'msvc':
conf.env.append_unique('CFLAGS', '/GL')
conf.env.append_unique('LINKFLAGS', '/LTCG')
conf.env.DEDICATED = conf.options.DEDICATED
# we don't need game launcher on dedicated