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openblas: disable OpenMP

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For powerpc (and powerpc only), the openblas build system will enable
USE_OPENMP when threads are enabled. But the toolchain wasn't
necessarily built with OpenMP support. So explicitly disable OpenMP -
for all architectures, not just powerpc, just to keep things simple.

We could have autodetected whether OpenMP is available at configure
time, but that would be more of a feature patch, it's up to upstream
to do that.

Fixes:
http://autobuild.buildroot.net/results/423b5e79cd4342d6c160ed478054b294b0826c6a
http://autobuild.buildroot.net/results/c9e554c8f880b49b3c9203725ac5e6565b7e5c6f

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Arnout Vandecappelle 2016-11-20 17:04:41 +01:00 committed by Thomas Petazzoni
parent edc18ac932
commit fb45f199e5
1 changed files with 3 additions and 0 deletions
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3
package/openblas/openblas.mk
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@ -31,6 +31,9 @@ else
OPENBLAS_MAKE_OPTS += USE_THREAD=0
endif
# We don't know if OpenMP is available or not, so disable
OPENBLAS_MAKE_OPTS += USE_OPENMP=0
# Static-only/Shared-only toggle
ifeq ($(BR2_STATIC_LIBS),y)
OPENBLAS_MAKE_OPTS += NO_SHARED=1