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authorPramod Kumbhar <pramod.s.kumbhar@gmail.com>2017-02-22 20:04:14 +0100
committerTodd Gamblin <tgamblin@llnl.gov>2017-02-22 11:04:14 -0800
commitf86dcd8b4cff3b49ba5395c9f64e91f066c0a8be (patch)
tree6fb35ddeee26b078406574db4f774ba4e8867b72 /var
parent871a94ee41043b8e026f898ab9208f610814b85c (diff)
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Fix scotch build on bg-q (#3196)
* 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
Diffstat (limited to 'var')
-rw-r--r--var/spack/repos/builtin/packages/scotch/package.py9
1 files changed, 9 insertions, 0 deletions
diff --git a/var/spack/repos/builtin/packages/scotch/package.py b/var/spack/repos/builtin/packages/scotch/package.py
index ca8e3e3fa0..f164037efa 100644
--- a/var/spack/repos/builtin/packages/scotch/package.py
+++ b/var/spack/repos/builtin/packages/scotch/package.py
@@ -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 @@ class Scotch(Package):
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')