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-rw-r--r--var/spack/repos/builtin/packages/mumps/package.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/var/spack/repos/builtin/packages/mumps/package.py b/var/spack/repos/builtin/packages/mumps/package.py
index 5c120c37df..5a254dfd00 100644
--- a/var/spack/repos/builtin/packages/mumps/package.py
+++ b/var/spack/repos/builtin/packages/mumps/package.py
@@ -135,7 +135,8 @@ class Mumps(Package):
self.write_makefile_inc()
- make(*make_libs)
+ # Build fails in parallel, at least on OS-X
+ make(*make_libs, parallel=False)
install_tree('lib', prefix.lib)
install_tree('include', prefix.include)