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#!/bin/sh
# Run clang's static analyzer (scan-build) and record its output in output-scan-build/
# Ensure the current directory is where this script is
cd "$(dirname -- "$0")" || exit $?
OUTPUTDIR="$(pwd)/output-scan-build"
# Display the commands which are run, and make sure they succeed
set -x -e
# Use a temporary directory as an installation directory, if $DESTDIR is not set
if [ -z "$DESTDIR" ] ; then
DESTDIR="$(mktemp --tmpdir -d scan-build-destdir-XXXXXXXXXX)"
fi
# Make sure to use the newly-installed libraries when running tests
export LD_LIBRARY_PATH="$DESTDIR/usr/lib:$DESTDIR/lib"
export PATH="$DESTDIR/usr/sbin:$DESTDIR/usr/bin:$DESTDIR/sbin:$DESTDIR/bin:$PATH"
export PYTHONPATH="$DESTDIR$(${PYTHON:-python3} -c "from distutils.sysconfig import *;print(get_python_lib(prefix='/usr'))")"
export RUBYLIB="$DESTDIR/$(${RUBY:-ruby} -e 'puts RbConfig::CONFIG["vendorlibdir"]'):$DESTDIR/$(${RUBY:-ruby} -e 'puts RbConfig::CONFIG["vendorarchdir"]')"
# Build and analyze
make -C .. CC=clang clean distclean -j"$(nproc)"
scan-build -analyze-headers -o "$OUTPUTDIR" make -C .. \
CC=clang \
DESTDIR="$DESTDIR" \
CFLAGS="-O2 -Wall -D__CHECKER__ -I$DESTDIR/usr/include" \
install install-pywrap install-rubywrap all test
# Reduce the verbosity in order to keep the message from scan-build saying
# "scan-build: Run 'scan-view /.../output-scan-build/2018-...' to examine bug reports.
set +x
# Remove the destination directory without using "rm -rf"
chmod u+w "$DESTDIR/usr/bin/newrole"
rm -r "$DESTDIR"
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