building from git unresolved symbols libgomp

asked 2019-10-11 19:14:14 +0200

heluani gravatar image

updated 2019-10-11 19:35:13 +0200

tmonteil gravatar image

fresh git cloned repository. Compilation fails with the spurious error as in Running ./sage crashes with the error

ImportError: /home/user/sage/local/lib/ undefined symbol: GOMP_loop_ull_maybe_nonmonotonic_runtime_next

But the symbols are there:

$ nm /usr/lib/ | grep GOMP_loop_ull_maybe_
0000000000010070 T GOMP_loop_ull_maybe_nonmonotonic_runtime_next
000000000000f210 T GOMP_loop_ull_maybe_nonmonotonic_runtime_start

This is on Arch

$uname -a 
Linux host 5.3.5-arch1-1-ARCH #1 SMP PREEMPT Mon Oct 7 19:03:08 UTC 2019 x86_64 GNU/Linux
$ gcc --version
gcc (GCC) 9.2.0

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Could you copy/paste the full error log and not only the last error message?

Also, is your compiled linbox correctly linked to /usr/lib/ See

$ ldd /home/user/sage/local/lib/
vdelecroix gravatar imagevdelecroix ( 2019-10-12 02:22:34 +0200 )edit

won't have access to that box until Monday but my guess is that it was an incompatible version of gcc-fortran. I just compiled in a different computer running arch updated the same day and it went smoothly.

heluani gravatar imageheluani ( 2019-10-12 20:21:59 +0200 )edit

Indeed it was a broken gcc-fortran. I just reinstalled gcc and gcc-fortran and recompiled without trouble. I suppose this question can be closed? thanks.

heluani gravatar imageheluani ( 2019-10-14 21:08:07 +0200 )edit