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[Bug math/20469] [x86_64] Link fail with -fopenmp and -ffast-math


https://sourceware.org/bugzilla/show_bug.cgi?id=20469

--- Comment #5 from guanx <guanx.bac at gmail dot com> ---
(In reply to H.J. Lu from comment #4)
> (In reply to guanx from comment #2)
> > Created attachment 9435 [details]
> > strace output of gcc
> > 
> > The library "/usr/lib64/libmvec_nonshared.a" exists but gcc does not try to
> > link to it according to the output from strace.
> 
> Please show the output of
> 
> # ls -l /lib64/libm.so
> # file /lib64/libm.so

$ ls -l /lib64/libm.so
/bin/ls: cannot access '/lib64/libm.so': No such file or directory
$ ls -l /usr/lib64/libm.so
lrwxrwxrwx 1 root root 21 Jul 25 11:55 /usr/lib64/libm.so ->
../../lib64/libm.so.6*
$ ls -l /lib64/libm.so.6
lrwxrwxrwx 1 root root 12 Jul 25 11:55 /lib64/libm.so.6 -> libm-2.23.so
$ file /lib64/libm-2.23.so
/lib64/libm-2.23.so: ELF 64-bit LSB shared object, x86-64, version 1
(GNU/Linux), dynamically linked, not stripped

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