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-rw-r--r--var/spack/repos/builtin/packages/openmpi/package.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/var/spack/repos/builtin/packages/openmpi/package.py b/var/spack/repos/builtin/packages/openmpi/package.py
index df602ef8b4..b7c57c282c 100644
--- a/var/spack/repos/builtin/packages/openmpi/package.py
+++ b/var/spack/repos/builtin/packages/openmpi/package.py
@@ -481,7 +481,7 @@ class Openmpi(AutotoolsPackage, CudaPackage):
)
# Additional support options
- variant("atomics", default=False, description="Enable built-in atomics")
+ variant("atomics", default=True, description="Enable built-in atomics")
variant("java", default=False, when="@1.7.4:", description="Build Java support")
variant("static", default=False, description="Build static libraries")
variant("sqlite3", default=False, when="@1.7.3:1", description="Build SQLite3 support")