[Bug math/19590] Fail to build shared objects that use libmvec.so functions.

["hjl.tools at gmail dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=19590

--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Andrew Senkevich from comment #2)
> Test case is:
> 
> -bash-4.2$ cat ./log.c
> #include <math.h>
> 
> int N = 3000;
> double a[3000];
> double b[3000];
> 
> int test ()
> {
>   int i = 0;
> 
> #pragma omp simd
>   for (i = 0; i < N; i++)
>   {
>     b[i] = log(a[i]);
>   }
> 
>   return 0;
> }
> 
> gcc ./log.c -O3 -fopenmp -ffast-math -I/INSTALL_PATH/include -fPIC -shared
> -o ./log.so -lm -L/INSTALL_PATH/lib/
> will fail w/o fix.

Please show the full command line and error from linker.

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