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Diffstat (limited to 'lib/spack/docs/packaging_guide.rst')
-rw-r--r-- | lib/spack/docs/packaging_guide.rst | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/lib/spack/docs/packaging_guide.rst b/lib/spack/docs/packaging_guide.rst index ef9fd89b62..169899212d 100644 --- a/lib/spack/docs/packaging_guide.rst +++ b/lib/spack/docs/packaging_guide.rst @@ -419,7 +419,7 @@ directory to the directory containing the downloaded archive before it calls your ``install`` method. Within ``install``, the path to the downloaded archive is available as ``self.stage.archive_file``. -Here is an example snippet for packages distribuetd as self-extracting +Here is an example snippet for packages distributed as self-extracting archives. The example sets permissions on the downloaded file to make it executable, then runs it with some arguments. @@ -1556,12 +1556,12 @@ you ask for a particular spec. ``Concretization Policies`` ~~~~~~~~~~~~~~~~~~~~~~~~~~~ -A user may have certain perferrences for how packages should +A user may have certain preferences for how packages should be concretized on their system. For example, one user may prefer packages built with OpenMPI and the Intel compiler. Another user may prefer packages be built with MVAPICH and GCC. -Spack can be configurated to prefer certain compilers, package +Spack can be configured to prefer certain compilers, package versions, depends_on, and variants during concretization. The preferred configuration can be controlled via the ``~/.spack/packages.yaml`` file for user configuations, or the @@ -1588,16 +1588,16 @@ At a high level, this example is specifying how packages should be concretized. The dyninst package should prefer using gcc 4.9 and be built with debug options. The gperftools package should prefer version 2.2 over 2.4. Every package on the system should prefer mvapich for -its MPI and gcc 4.4.7 (except for Dyninst, which overrides this by perfering gcc 4.9). +its MPI and gcc 4.4.7 (except for Dyninst, which overrides this by preferring gcc 4.9). These options are used to fill in implicit defaults. Any of them can be overwritten on the command line if explicitly requested. -Each packages.yaml file begin with the string ``packages:`` and +Each packages.yaml file begins with the string ``packages:`` and package names are specified on the next level. The special string ``all`` applies settings to each package. Underneath each package name is one or more components: ``compiler``, ``variants``, ``version``, or ``providers``. Each component has an ordered list of spec -``constraints``, with earlier entries in the list being prefered over +``constraints``, with earlier entries in the list being preferred over later entries. Sometimes a package installation may have constraints that forbid |