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#!/bin/sh
set -ex
setup_env() {
# Travis sets CC/CXX to the system toolchain, so our .travis.yml
# exports USE_{CC,CXX} for this script to use.
if [ -n "$USE_CC" ]; then
export CC=$USE_CC
fi
if [ -n "$USE_CXX" ]; then
export CXX=$USE_CXX
fi
# Use -jN for faster builds. Travis build machines under Docker
# have a lot of cores, but are memory-limited, so the kernel
# will OOM if we try to use them all, so use at most 4.
# See https://github.com/travis-ci/travis-ci/issues/1972
export NCPUS=$(getconf _NPROCESSORS_ONLN)
export JOBS=$(( $NCPUS < 4 ? $NCPUS : 4 ))
}
build() {
./configure
make -j${JOBS} check
}
main() {
setup_env
build
}
main "$@"
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