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HDF5 Dependency: Rewrite to Union

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@adamjstewart
```
think you'll find that if you try running something like:
spack spec libsplash ^hdf5@1.8.15
It will complain that libsplash does not depend on hdf5.
This is a bug in Spack's dependency resolution. A workaround
for this is to tell it to always depend on hdf5.
```

@davydden
```
to expand on @adamjstewart comment, spack will make a union
of dependencies,
i.e. hdf5@1.8.6: + hdf5+mpi = hdf5:1.8.6:+mpi, that's why it works.
```

thank you for the hint!
This commit is contained in:
Axel Huebl
2016-08-30 17:00:09 +02:00
parent 3aaa077c9f
commit d2d2234def
1 changed files with 2 additions and 2 deletions
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4
var/spack/repos/builtin/packages/libsplash/package.py
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@@ -46,8 +46,8 @@ class Libsplash(Package):
description='Enable parallel I/O (one-file aggregation) support')
depends_on('cmake', type='build')
depends_on('hdf5@1.8.6:', when='~mpi')
depends_on('hdf5@1.8.6:+mpi', when='+mpi')
depends_on('hdf5@1.8.6:')
depends_on('hdf5+mpi', when='+mpi')
depends_on('mpi', when='+mpi')
def install(self, spec, prefix):