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-rw-r--r--var/spack/repos/builtin/packages/hdf5/package.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/var/spack/repos/builtin/packages/hdf5/package.py b/var/spack/repos/builtin/packages/hdf5/package.py
index 5321a191f0..80f79539c0 100644
--- a/var/spack/repos/builtin/packages/hdf5/package.py
+++ b/var/spack/repos/builtin/packages/hdf5/package.py
@@ -45,7 +45,7 @@ class Hdf5(Package):
variant('cxx', default=True, description='Enable C++ support')
variant('fortran', default=True, description='Enable Fortran support')
- variant('unsupported', default=False, description='Enables unsupported configuration options')
+ variant('unsupported', default=True, description='Enables unsupported configuration options')
variant('mpi', default=False, description='Enable MPI support')
variant('szip', default=False, description='Enable szip support')