libxc: add std flag for Intel (#25281)

2021-08-09 06:05:42 -06:00
parent d4df3b31fb
commit be59f2bff0
1 changed files with 4 additions and 2 deletions
--- a/var/spack/repos/builtin/packages/libxc/package.py
+++ b/var/spack/repos/builtin/packages/libxc/package.py
@@ -79,8 +79,10 @@ def setup_build_environment(self, env):
        env.append_flags('CFLAGS',  optflags)
        env.append_flags('FCFLAGS', optflags)

-        if '%intel' in self.spec and which('xiar'):
-            env.set('AR', 'xiar')
+        if '%intel' in self.spec:
+            env.append_flags('CFLAGS', '-std=c99')
+            if which('xiar'):
+                env.set('AR', 'xiar')

        if '%aocc' in self.spec:
            env.append_flags('FCFLAGS', '-fPIC')