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added a config option for old gcc compilers which need -msse2 flag to use _mm_pause (https://gcc-patches.gcc.gnu.narkive.com/Ypx83P9u/patch-rfa-move-x86-mm-pause-out-of-pragma-target-sse-scope)

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This commit is contained in:
oy 2019-02-10 18:48:37 +01:00
parent dd3c7a9985
commit fdc14f0738
1 changed files with 4 additions and 1 deletions
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5
bam.lua
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@ -9,6 +9,7 @@ config = NewConfig()
config:Add(OptCCompiler("compiler"))
config:Add(OptTestCompileC("stackprotector", "int main(){return 0;}", "-fstack-protector -fstack-protector-all"))
config:Add(OptTestCompileC("minmacosxsdk", "int main(){return 0;}", "-mmacosx-version-min=10.7 -isysroot /Developer/SDKs/MacOSX10.7.sdk"))
config:Add(OptTestCompileC("buildwithoutsseflag", "#include <immintrin.h>\nint main(){_mm_pause();return 0;}", ""))
config:Add(OptLibrary("zlib", "zlib.h", false))
config:Add(SDL.OptFind("sdl", true))
config:Add(FreeType.OptFind("freetype", true))
@ -169,7 +170,9 @@ end
function GenerateLinuxSettings(settings, conf, arch, compiler)
if arch == "x86" then
settings.cc.flags:Add("-msse2") -- for the _mm_pause call
if config.buildwithoutsseflag.value == false then
settings.cc.flags:Add("-msse2") -- for the _mm_pause call
end
settings.cc.flags:Add("-m32")
settings.link.flags:Add("-m32")
elseif arch == "x86_64" then