libunwind: fix build with gcc@10: (#16782)

2020-05-25 14:22:51 +02:00 · 2020-05-25 14:22:51 +02:00 · d0e4414bb6
commit d0e4414bb6
parent 232cdb85a5
1 changed files with 9 additions and 1 deletions
--- a/var/spack/repos/builtin/packages/libunwind/package.py
+++ b/var/spack/repos/builtin/packages/libunwind/package.py
@ -47,7 +47,15 @@ class Libunwind(AutotoolsPackage):

    provides('unwind')

-    flag_handler = AutotoolsPackage.build_system_flags
+    def flag_handler(self, name, flags):
+        wrapper_flags = None
+
+        if name == 'cflags':
+            # https://github.com/libunwind/libunwind/pull/166
+            if self.spec.satisfies('@:1.4 %gcc@10:'):
+                wrapper_flags = ['-fcommon']
+
+        return (wrapper_flags, None, flags)

    def configure_args(self):
        spec = self.spec