mcl: fixing missing extern in global variables (#22094)

Revealed by GCC 10 see https://gcc.gnu.org/gcc-10/porting_to.html
2021-03-05 05:01:18 -06:00 · 2021-03-05 05:01:18 -06:00 · daf2ef9682
commit daf2ef9682
parent 3c1b305752
1 changed files with 5 additions and 0 deletions
--- a/var/spack/repos/builtin/packages/mcl/package.py
+++ b/var/spack/repos/builtin/packages/mcl/package.py
@ -15,3 +15,8 @@ class Mcl(AutotoolsPackage):
    url      = "https://www.micans.org/mcl/src/mcl-14-137.tar.gz"

    version('14-137', sha256='b5786897a8a8ca119eb355a5630806a4da72ea84243dba85b19a86f14757b497')
+
+    @when('%gcc@10:')
+    def patch(self):
+        filter_file('^dim', 'extern dim', 'src/impala/iface.h')
+        filter_file('^double', 'extern double', 'src/impala/iface.h')