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Fix makefile filter suggestions (#23856)

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Bash has a builtin `fc` that will override the compiler if you use "fc",
so it's better to use the full spack-supplied compiler path.

Additionally, the filter regex in the docs was wrong: it replaced the
entire assignment operation with the RHS.
This commit is contained in:
Seth R. Johnson
2021-05-22 14:47:43 -04:00
committed by GitHub
parent 4e6a6e4f27
commit d8cbd37aaa
2 changed files with 8 additions and 6 deletions
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6
lib/spack/docs/build_systems/makefilepackage.rst
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@@ -147,8 +147,10 @@ and a ``filter_file`` method to help with this. For example:
def edit(self, spec, prefix):
makefile = FileFilter('Makefile')
makefile.filter('CC = gcc', 'CC = cc')
makefile.filter('CXX = g++', 'CC = c++')
makefile.filter(r'^\s*CC\s*=.*', 'CC = ' + spack_cc)
makefile.filter(r'^\s*CXX\s*=.*', 'CXX = ' + spack_cxx)
makefile.filter(r'^\s*F77\s*=.*', 'F77 = ' + spack_f77)
makefile.filter(r'^\s*FC\s*=.*', 'FC = ' + spack_fc)
`stream <https://github.com/spack/spack/blob/develop/var/spack/repos/builtin/packages/stream/package.py>`_