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| -rw-r--r-- | var/spack/repos/builtin/packages/apple-libunwind/package.py | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/var/spack/repos/builtin/packages/apple-libunwind/package.py b/var/spack/repos/builtin/packages/apple-libunwind/package.py new file mode 100644 index 0000000000..1aacf98c2b --- /dev/null +++ b/var/spack/repos/builtin/packages/apple-libunwind/package.py @@ -0,0 +1,84 @@ +############################################################################## +# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC. +# Produced at the Lawrence Livermore National Laboratory. +# +# This file is part of Spack. +# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved. +# LLNL-CODE-647188 +# +# For details, see https://github.com/spack/spack +# Please also see the NOTICE and LICENSE files for our notice and the LGPL. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU Lesser General Public License (as +# published by the Free Software Foundation) version 2.1, February 1999. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and +# conditions of the GNU Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +############################################################################## +from spack import * + + +class AppleLibunwind(Package): + """Placeholder package for Apple's analogue to non-GNU libunwind""" + + homepage = "https://opensource.apple.com/source/libunwind/libunwind-35.3/" + + provides('unwind') + + # The 'conflicts' directive only accepts valid spack specs; + # platforms cannot be negated -- 'platform!=darwin' is not a valid + # spec -- so expressing a conflict for any platform that isn't + # Darwin must be expressed by listing a conflict with every + # platform that isn't Darwin/macOS + conflicts('platform=linux') + conflicts('platform=bgq') + conflicts('platform=cray') + + # Override the fetcher method to throw a useful error message; + # avoids GitHub issue (#7061) in which the opengl placeholder + # package threw a generic, uninformative error during the `fetch` + # step, + @property + def fetcher(self): + msg = """This package is intended to be a placeholder for Apple's + system-provided, non-GNU-compatible libunwind library. + + Add to your packages.yaml: + + packages: + apple-libunwind: + paths: + apple-libunwind@35.3: /usr + buildable: False + + """ + raise InstallError(msg) + + def install(self, spec, prefix): + pass + + @property + def libs(self): + """ Export the Apple libunwind library + """ + libs = find_libraries('libunwind', + join_path(self.prefix.lib, 'system'), + shared=True, recursive=False) + if libs: + return libs + return None + + @property + def headers(self): + """ Export the Apple libunwind header + """ + hdrs = HeaderList(find(self.prefix.include, 'libunwind.h', + recursive=False)) + return hdrs or None |