On Thu, Mar 30, 2017 at 3:47 PM, Matt Turner <matts...@gmail.com> wrote: > On Thu, Mar 30, 2017 at 3:26 PM, Grazvydas Ignotas <nota...@gmail.com> wrote: >> There are still some distributions trying to support unfortunate people >> with old or exotic CPUs that don't have 64bit atomic operations. When >> compiling for such a machine, gcc conveniently inserts a library call to >> a helper, but it's implementation is missing and we get a linker error. >> This allows us to provide our own implementation, which is marked weak >> to prefer a better implementation, should one exist. >> >> v2: changed copyright, some style adjustments >> >> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=93089 >> Signed-off-by: Grazvydas Ignotas <nota...@gmail.com> >> Reviewed-by: Matt Turner <matts...@gmail.com> > > Thanks, I'll commit this. > >> --- >> no commit access, but request sent: >> https://bugs.freedesktop.org/show_bug.cgi?id=100467 > > Thanks. I commented on the bug and said I approve :)
I modified the patch slightly to print the results of the test with AC_MSG_CHECKING/AC_MSG_RESULT and pushed it as commit a6a38a038bd62e. I'll do some build tests on various architectures. I think I like the idea of this going to the stable 17.0 branch.
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