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#!/bin/bash
#
# clang-scan-build: configure and compile asterisk using the llvm static analyzer
# Options/Flags:
# -c|--compiler : either [clang|gcc]
# --cflags : cflags you would like to add to the default set
# --configure : configure flags you would like to use instead off the default set
# --make : make flags you would like to use instead off the default set
# --scanbuild : scanbuild flags you would like to use instead of the default set
# --outputdir : directory where scan-build should create the html files
# -h|--help : this help
# Usage:
# contrib/scripts/clang-scan-build
# This script will use clang if available and no compiler has been specified
#
# Example usage:
#
# contrib/scripts/clang-scan-build
# contrib/scripts/clang-scan-build -c gcc
# contrib/scripts/clang-scan-build --compiler clang --configure "--enable-dev-mode" --outputdir="/tmp/scan-build_output"
# contrib/scripts/clang-scan-build --make "-j2"
#
# scan-build will generate html files during the make process, which will be stored in the specified outputdir or ./scan-build_output" by default
# Copyright (C) 2015 Diederik de Groot <dddegroot@users.sf.net>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA
COMPILER=clang
SCANBUILD="`which scan-build`"
CFLAGS=""
CONFIGURE_FLAGS="--enable-coverage --disable-xmldoc"
MAKE_FLAGS=""
SCANBUILD_FLAGS="-maxloop 10 -disable-checker deadcode.DeadStores -enable-checker alpha.core.BoolAssignment -enable-checker alpha.core.CallAndMessageUnInitRefArg -enable-checker alpha.core.CastSize -enable-checker alpha.core.CastToStruct -enable-checker alpha.core.IdenticalExpr -enable-checker alpha.core.PointerArithm -enable-checker alpha.core.PointerSub -enable-checker alpha.core.SizeofPtr -enable-checker alpha.core.TestAfterDivZero -enable-checker alpha.security.ArrayBound -enable-checker alpha.security.ArrayBoundV2 -enable-checker alpha.security.MallocOverflow -enable-checker alpha.security.ReturnPtrRange -enable-checker alpha.security.taint.TaintPropagation -enable-checker alpha.unix.MallocWithAnnotations -enable-checker alpha.unix.PthreadLock -enable-checker alpha.unix.SimpleStream -enable-checker alpha.unix.Stream -enable-checker alpha.unix.cstring.BufferOverlap -enable-checker alpha.unix.cstring.NotNullTerminated -enable-checker alpha.unix.cstring.OutOfBounds"
OUTPUTDIR="scan-build_output"
function print_usage {
cat << EOF
$0 Usage:
Options/Flags:
-c|--compiler : either [clang|gcc]
--cflags : cflags you would like to add to the default set:
"${CFLAGS}"
--configure : configure flags you would like to use instead off the default set:
"${CONFIGURE_FLAGS}"
--make : make flags you would like to use instead off the default set:
"${MAKE_FLAGS}"
--scanbuild : scanbuild flags you would like to use instead of the default set:
"${SCANBUILD_FLAGS}"
--outputdir : directory where scan-build should create the html files. default:
"`pwd`/${OUTPUTDIR}"
-h|--help : this help
EOF
}
for i in "$@"
do
case $i in
-c=*|--compiler=*)
COMPILER="${i#*=}"
shift
;;
--cflags=*)
CFLAGS="${i#*=}"
shift
;;
--configure=*)
CONFIGURE_FLAGS="${i#*=}"
shift
;;
--make=*)
MAKE_FLAGS="${i#*=}"
shift
;;
--scanbuild=*)
SCANBUILD_FLAGS="${i#*=}"
shift
;;
--outputdir=*)
OUTPUTDIR="${i#*=}"
shift
;;
-h|--help)
print_usage
exit
;;
esac
done
if [ "${COMPILER}" == "clang" ] && [ ! -z "`which clang`" ]; then
CCC_CC="`which`clang"
CCC_CXX="`which clang++`"
CFLAGS="-fblocks ${CFLAGS}"
elif [ "${COMPILER}" == "gcc" ] && [ ! -z "`which gcc`" ]; then
CCC_CC="`which gcc`"
CCC_CXX="`which g++`"
CFLAGS="${CFLAGS}"
else
echo "Unknown compiler: $2, needs to be either clang or gcc"
exit
fi
if [ ! -f config.status ]; then
echo "Running ./configure ${CONFIGURE_FLAGS} ..."
${SCANBUILD} ${SCANBUILD_FLAGS} -o ${OUTPUTDIR} ./configure ${CONFIGURE_FLAGS}
if [ $? != 0 ]; then
echo "Configure error occurred, see output / config.log"
exit
fi
make clean
fi
if [ -f config.status ]; then
echo "Running scan-build make ${MAKE_FLAGS} ..."
${SCANBUILD} ${SCANBUILD_FLAGS} -o ${OUTPUTDIR} make ${MAKE_FLAGS}
fi
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