GeeKer Wang writes:

> My system is i686, and I found there is no -march=i686 by default.
>
> I found this in CMakeCache.txt
>    CMakeCache.txt://Test _OPENTHREADS_ATOMIC_USE_GCC_BUILTINS
>    CMakeCache.txt:_OPENTHREADS_ATOMIC_USE_GCC_BUILTINS:INTERNAL=1
>
> CMakeCache.txt:_OPENTHREADS_ATOMIC_USE_GCC_BUILTINS_COMPILED:INTERNAL=TRUE
>    CMakeCache.txt:_OPENTHREADS_ATOMIC_USE_GCC_BUILTINS_EXITCODE:INTERNAL=0
> Is there a problem?
>

I think it's fine, since it's using the same as Fedora (the GCC atomic
builtins which have good performance).

>
> I'll add CXXFLAGS as you mentioned and compile again.
>

If you want to be sure to be using them, compile with

make VERBOSE=1

--
Alberto

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