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#!/usr/bin/env sh
set -evx
chmod +x ci/get-nprocessors.sh
. ci/get-nprocessors.sh
# If possible, ask for the precise number of processors,
# otherwise take 2 processors as reasonable default; see
# https://docs.travis-ci.com/user/speeding-up-the-build/#Makefile-optimization
if [ -x /usr/bin/getconf ]; then
NPROCESSORS=$(/usr/bin/getconf _NPROCESSORS_ONLN)
else
NPROCESSORS=2
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
env | sort
# Set default values to OFF for these variables if not specified.
: "${NO_EXCEPTION:=OFF}"
: "${NO_RTTI:=OFF}"
: "${COMPILER_IS_GNUCXX:=OFF}"
mkdir build || true
cd build
cmake3 -DCMAKE_CXX_FLAGS=$CXX_FLAGS \
-DCMAKE_BUILD_TYPE=$BUILD_TYPE \
-DASAN_OPTION=$ASAN_OPTION \
-DCMAKE_INSTALL_PREFIX=$INSTALL_PREFIX \
-DVERSION_DAILY_BUILD=$TESTING_VERSION_BUILD \
..
make -j $NPROCESSORS
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