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limit processors to use in Travis build to 4

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This commit is contained in:
Herbert Thielen 2017-09-04 18:56:52 +02:00
parent d96a038e8b
commit fe97312e24
1 changed files with 11 additions and 2 deletions
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13
travis.sh
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@ -5,10 +5,19 @@ set -evx
# otherwise take 2 processors as reasonable default; see # otherwise take 2 processors as reasonable default; see
# https://docs.travis-ci.com/user/speeding-up-the-build/#Makefile-optimization # https://docs.travis-ci.com/user/speeding-up-the-build/#Makefile-optimization
if [ -x /usr/bin/getconf ]; then if [ -x /usr/bin/getconf ]; then
MAKEFLAGS=j$(/usr/bin/getconf _NPROCESSORS_ONLN) NPROCESSORS=$(/usr/bin/getconf _NPROCESSORS_ONLN)
else else
MAKEFLAGS="j2" NPROCESSORS=2
fi fi
# as of 2017-09-04 Travis CI reports 32 processors, but GCC build
# crashes if parallelized too much (maybe memory consumption problem),
# so limit to 4 processors for the time being.
if [ $NPROCESSORS -gt 4 ] ; then
echo "$0:Note: Limiting processors to use by make from $NPROCESSORS to 4."
NPROCESSORS=4
fi
# Tell make to use the processors. No preceding '-' required.
MAKEFLAGS="j${NPROCESSORS}"
export MAKEFLAGS export MAKEFLAGS
env | sort env | sort