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-rw-r--r--var/spack/repos/builtin/packages/diffutils/package.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/var/spack/repos/builtin/packages/diffutils/package.py b/var/spack/repos/builtin/packages/diffutils/package.py
index b87c9174d9..c8f2dca83f 100644
--- a/var/spack/repos/builtin/packages/diffutils/package.py
+++ b/var/spack/repos/builtin/packages/diffutils/package.py
@@ -19,3 +19,8 @@ class Diffutils(AutotoolsPackage, GNUMirrorPackage):
build_directory = 'spack-build'
depends_on('libiconv')
+
+ def setup_build_environment(self, env):
+ if self.spec.satisfies('%fj'):
+ env.append_flags('CFLAGS',
+ '-Qunused-arguments')