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Subject: [Bug testsuite/62250] FAIL: gfortran.dg/coarray/alloc_comp_1.f90 -fcoarray=lib  -O2  -lcaf_single
Date: Wed, 07 Jan 2015 15:03:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62250

--- Comment #8 from Hans-Peter Nilsson <hp at gcc dot gnu.org> ---
Created attachment 34394
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34394&action=edit
Patch to add -latomic only when available; -p0 -d path/to/gcc/testsuite

David, could you please check if the attached patch still works for
hppa*-*-hpux*?

I've verified that it fixes the regressions I see (cross to cris-elf; a system
without a -latomic port and where the operations are built-in) and that
-latomic is still added for a native x86_64-unknown-linux-gnu build, with tests
still passing.  Though, as -latomic is redundant on that last system, I haven't
actually tested it on a system where -latomic is *required*; the point if this
PR (and BTW sorry for being lazy and hijacking it - a pointer to a new PR would
have been more appropriate).