Re: [Fortran, PR124484, v1] Fix testing caf_shmem on aarch64-*-linux was: [Linaro-TCWG-CI] gcc-16-7727-gaa09298cb017: 157 regressions on aarch64

Jakub Jelinek via Gcc-regression <[email protected]> Fri, 13 Mar 2026 15:00:10 +0100

Newsgroups	gmane.comp.gcc.regression,gmane.linux.linaro.toolchain,gmane.comp.gcc.patches,gmane.comp.gcc.fortran
Message-ID	<abQYahSAmtuF3EtP@tucnak>

On Fri, Mar 13, 2026 at 02:51:06PM +0100, Toon Moene wrote:
> > the linaro CI reported test errors for aarch64 targets. I figured that for
> > aarch64 on linux the compile flags -pthread and -lrt are needed to link
> > caf_shmem and produce an executable. The attached patch addresses this by
> > special case for aarch64-*-linux* similiar to freebsd.
> 
> Amazing - I have been testing caf_shmem for weeks now (first as an
> additional patch and lately just by bootstrapping the master branch) on
> aarch64-linux and I have never encountered that problem.
> 
> Here's the latest test:
> 
> https://gcc.gnu.org/pipermail/gcc-testresults/2026-March/871293.html

It is needed only for glibc older than 2.34.  And it isn't arch related,
just glibc version related.

	Jakub