meson: enable -fno-common by default

This flag is enabled by default starting with gcc 10.
All the compilation issues have been fixed, so use it by default
to make sure we're not introducing regressions.

Reviewed-by: Michel Dänzer <mdaenzer@redhat.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4058>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4058>

diff --git a/meson.build b/meson.build
index 1484e7fec5d85a9b65ea6225009b594ac496a731..bf306605645cdeb75517e510919d6e9d9916d953 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -958,6 +958,7 @@ else
     '-fno-math-errno',
     '-fno-trapping-math',
     '-Qunused-arguments',
+    '-fno-common',
   ]
   # MinGW chokes on format specifiers and I can't get it all working
   if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')