flex: Apply 2.6.4 patch regardless of gcc version (#10841)
It seems that this is actually a glibc problem and while 2.6.4 builds without the patch on newer versions of gcc (@8:), it still sometimes segfaults (as observed during the doxygen build).
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@ -28,25 +28,23 @@ class Flex(AutotoolsPackage):
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depends_on('gettext@0.19:', type='build')
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depends_on('help2man', type='build')
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# Older tarballs don't come with a configure script
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# Older tarballs don't come with a configure script and the patch for
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# 2.6.4 touches configure
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depends_on('m4', type='build')
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depends_on('autoconf', type='build', when='@:2.6.0')
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depends_on('autoconf', type='build', when='@2.6.4 %gcc@7')
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depends_on('automake', type='build', when='@:2.6.0')
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depends_on('automake', type='build', when='@2.6.4 %gcc@7')
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depends_on('libtool', type='build', when='@:2.6.0')
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depends_on('libtool', type='build', when='@2.6.4 %gcc@7')
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depends_on('autoconf', type='build', when='@:2.6.0,2.6.4')
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depends_on('automake', type='build', when='@:2.6.0,2.6.4')
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depends_on('libtool', type='build', when='@:2.6.0,2.6.4')
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# 2.6.4 fails to compile with gcc@7, see:
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# 2.6.4 fails to compile with newer versions of gcc/glibc, see:
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# - https://github.com/spack/spack/issues/8152
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# - https://github.com/spack/spack/issues/6942
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# - https://github.com/westes/flex/issues/241
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patch('https://github.com/westes/flex/commit/24fd0551333e7eded87b64dd36062da3df2f6380.patch', sha256='09c22e5c6fef327d3e48eb23f0d610dcd3a35ab9207f12e0f875701c677978d3', when='@2.6.4 %gcc@7')
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patch('https://github.com/westes/flex/commit/24fd0551333e7eded87b64dd36062da3df2f6380.patch', sha256='09c22e5c6fef327d3e48eb23f0d610dcd3a35ab9207f12e0f875701c677978d3', when='@2.6.4')
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@property
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def force_autoreconf(self):
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# The patch for 2.6.4 touches configure
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return self.spec.satisfies('@2.6.4 %gcc@7')
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return self.spec.satisfies('@2.6.4')
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def url_for_version(self, version):
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url = "https://github.com/westes/flex"
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