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Fix scotch build on bg-q (#3196)

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* Fix build issue #3190 on bg-q :
 - disable parallel build as it produces weired linker errors
   in cross compiling environment
 - update ldflags for bg-q as per Makefile provided Makefile.inc.ppca2_ibm_bgq
* Added note about -lpthread vs -pthread
This commit is contained in:
Pramod Kumbhar 2017-02-22 20:04:14 +01:00 committed by Todd Gamblin
parent 871a94ee41
commit f86dcd8b4c
1 changed files with 9 additions and 0 deletions
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9
var/spack/repos/builtin/packages/scotch/package.py
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@ -56,6 +56,10 @@ class Scotch(Package):
depends_on('mpi', when='+mpi')
depends_on('zlib', when='+compression')
# NOTE: In cross-compiling environment parallel build
# produces weird linker errors.
parallel = False
# NOTE: Versions of Scotch up to version 6.0.0 don't include support for
# building with 'esmumps' in their default packages. In order to enable
# support for this feature, we must grab the 'esmumps' enabled archives
@ -140,9 +144,14 @@ def configure(self):
ldflags.append('-L%s -lz' % (self.spec['zlib'].prefix.lib))
cflags.append('-DCOMMON_PTHREAD')
# NOTE: bg-q platform needs -lpthread (and not -pthread)
# otherwise we get illegal instruction error during runtime
if self.spec.satisfies('platform=darwin'):
cflags.append('-DCOMMON_PTHREAD_BARRIER')
ldflags.append('-lm -pthread')
elif self.spec.satisfies('platform=bgq'):
ldflags.append('-lm -lrt -lpthread')
else:
ldflags.append('-lm -lrt -pthread')