On Thu, Mar 19, 2015 at 12:20 AM, Walter Dnes <waltd...@waltdnes.org> wrote:
> CFLAGS="-O2 -march=atom -mno-cx16 -msahf -mmovbe -mno-aes -mno-pclmul 
> -mno-popcnt -mno-abm -mno-lwp -mno-fma -mno-fma4 -mno-xop -mno-bmi -mno-bmi2 
> -mno-tbm -mno-avx -mno-avx2 -mno-sse4.2 -mno-sse4.1 -mno-lzcnt -mno-rtm 
> -mno-hle -mno-rdrnd -mno-f16c -mno-fsgsbase -mno-rdseed -mno-prfchw -mno-adx 
> -mfxsr -mno-xsave -mno-xsaveopt --param l1-cache-size=24 --param 
> l1-cache-line-size=64 --param l2-cache-size=512 -mtune=atom -fstack-protector 
> -mfpmath=sse -fomit-frame-pointer -pipe -fno-unwind-tables 
> -fno-asynchronous-unwind-tables"
>
>   Is that correct (assuming that's my output)?
>

I should warn you against including all of those -mno-xxx flags. This
has been known to break the build process for packages like chromium,
which always wants to build with SSE4 support and toggles it off at
runtime. Passing -mno-sse4.1 causes a build failure as it tries to use
macros that are not defined.

Reply via email to