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libunwind: add +pic variant (#17762)

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Libunwind already builds a shared library.  The +pic variant adds the
compiler pic flag to the static archive so that it can be linked into
another shared library.
This commit is contained in:
Mark W. Krentel 2020-07-29 20:29:24 -05:00 committed by GitHub
parent 8435016a43
commit 896e83e3e6
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 2 deletions
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10
var/spack/repos/builtin/packages/libunwind/package.py
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@ -25,6 +25,9 @@ class Libunwind(AutotoolsPackage):
version('1.2.1', sha256='3f3ecb90e28cbe53fba7a4a27ccce7aad188d3210bb1964a923a731a27a75acb') version('1.2.1', sha256='3f3ecb90e28cbe53fba7a4a27ccce7aad188d3210bb1964a923a731a27a75acb')
version('1.1', sha256='9dfe0fcae2a866de9d3942c66995e4b460230446887dbdab302d41a8aee8d09a') version('1.1', sha256='9dfe0fcae2a866de9d3942c66995e4b460230446887dbdab302d41a8aee8d09a')
variant('pic', default=False,
description='Compile with position independent code.')
variant('xz', default=False, variant('xz', default=False,
description='Support xz (lzma) compressed symbol tables.') description='Support xz (lzma) compressed symbol tables.')
@ -48,12 +51,15 @@ class Libunwind(AutotoolsPackage):
provides('unwind') provides('unwind')
def flag_handler(self, name, flags): def flag_handler(self, name, flags):
wrapper_flags = None wrapper_flags = []
if name == 'cflags': if name == 'cflags':
# https://github.com/libunwind/libunwind/pull/166 # https://github.com/libunwind/libunwind/pull/166
if self.spec.satisfies('@:1.4 %gcc@10:'): if self.spec.satisfies('@:1.4 %gcc@10:'):
wrapper_flags = ['-fcommon'] wrapper_flags.append('-fcommon')
if '+pic' in self.spec:
wrapper_flags.append(self.compiler.cc_pic_flag)
return (wrapper_flags, None, flags) return (wrapper_flags, None, flags)