Remove default variant bug from list of known issues (#8900)
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		 Adam J. Stewart
					Adam J. Stewart
				
			
				
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						 scheibelp
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			 scheibelp
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			| @@ -5,38 +5,6 @@ Known Issues | ||||
| This is a list of known bugs in Spack. It provides ways of getting around these | ||||
| problems if you encounter them. | ||||
|  | ||||
| ----------------------------------------------------------------- | ||||
| Default variants are not taken into account during concretization | ||||
| ----------------------------------------------------------------- | ||||
|  | ||||
| **Status:** Expected to be fixed in the next release | ||||
|  | ||||
| Current concretization algorithm does not take into account default values | ||||
| of variants when adding extra constraints to the spec via CLI. For example | ||||
| you may encounter the following error when trying to specify which MPI provider | ||||
| to use: | ||||
|  | ||||
| .. code-block:: console | ||||
|  | ||||
|    $ spack install hdf5 ^openmpi | ||||
|    ==> Error: hdf5 does not depend on openmpi | ||||
|  | ||||
| although the hdf5 package contains: | ||||
|  | ||||
| .. code-block:: python | ||||
|  | ||||
|    variant('mpi', default=True, description='Enable MPI support') | ||||
|    depends_on('mpi', when='+mpi') | ||||
|  | ||||
| A workaround is to explicitly activate the variant related to the dependency: | ||||
|  | ||||
| .. code-block:: console | ||||
|  | ||||
|    $ spack install hdf5+mpi ^openmpi | ||||
|  | ||||
| See https://github.com/spack/spack/issues/397 for further details. | ||||
|  | ||||
|  | ||||
| --------------------------------------------------- | ||||
| Variants are not properly forwarded to dependencies | ||||
| --------------------------------------------------- | ||||
|   | ||||
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