build-jsc.sh

#!/bin/bash

function help()
{
    echo
    echo "Usage: $0 [options] [qmake_options]"
    echo
    echo "  options:"
    echo "    --help     | -h       - show this screen"
    echo "    --release  | -r       - build in release mode (default)"
    echo "    --debug    | -d       - build in debug mode"
    echo "    --no-jit              - disable JIT (default is on)"
    echo "    --no-jobs  | -n | -c  - do not clean the previous build and execute ony one job"
    echo "    --O0                  - build with -O0"
    echo "    --O1                  - build with -O1"
    echo "    --O2                  - build with -O2"
    echo "    --Os                  - build with -Os"
    echo
}

JIT=""
QMAKEARGS="CONFIG+=standalone_package"
MODE="Release"
CLEAN=""
JOBS="-j4"

while ! test "x$1" == "x"
do
    case "$1" in
    --help|--h|-help|-h)
        help
        exit 0
        ;;
    --no-jit)
        JIT="disabled"
        QMAKEARGS="$QMAKEARGS DEFINES+=ENABLE_JIT=0 DEFINES+=ENABLE_YARR=0 DEFINES+=ENABLE_YARR_JIT=0"
        ;;
    --release|-release|-r)
        MODE="Release"
        ;;
    --debug|-debug|-d)
        MODE="Debug"
        ;;
    --no-jobs|-n|-c)
        CLEAN="disabled"
        JOBS=""
        ;;
    --O0|-O0)
        QMAKEARGS="$QMAKEARGS QMAKE_CXXFLAGS_RELEASE-=-O2 QMAKE_CXXFLAGS_RELEASE+=-O0"
        ;;
    --O1|-O1)
        QMAKEARGS="$QMAKEARGS QMAKE_CXXFLAGS_RELEASE-=-O2 QMAKE_CXXFLAGS_RELEASE+=-O1"
        ;;
    --O2|-O2)
        QMAKEARGS="$QMAKEARGS QMAKE_CXXFLAGS_RELEASE-=-O2 QMAKE_CXXFLAGS_RELEASE+=-O2"
        ;;
    --O3|-O3)
        QMAKEARGS="$QMAKEARGS QMAKE_CXXFLAGS_RELEASE-=-O2 QMAKE_CXXFLAGS_RELEASE+=-O3"
        ;;
    --Os|-Os)
        QMAKEARGS="$QMAKEARGS QMAKE_CXXFLAGS_RELEASE-=-O2 QMAKE_CXXFLAGS_RELEASE+=-Os"
        ;;
    *)
	QMAKEARGS="$QMAKEARGS $1"
    ;;
    esac
    shift
done

if test "x$MODE" == "xDebug"
then
        QMAKEARGS="$QMAKEARGS CONFIG-=release CONFIG+=debug"
else
        QMAKEARGS="$QMAKEARGS CONFIG+=release CONFIG-=debug"
fi

if test "x$JIT" == "x"
then
	QMAKEARGS="$QMAKEARGS DEFINES+=ENABLE_JIT=1 DEFINES+=ENABLE_YARR=1 DEFINES+=ENABLE_YARR_JIT=1"
fi

BDIR=WebKitBuild/$MODE/JavaScriptCore

if test "x$CLEAN" == "x"
then
        rm -rf $BDIR
fi

mkdir -p $BDIR
cd $BDIR
if !(qmake -r ../../../JavaScriptCore/DerivedSources.pro -o Makefile.generated \
     $QMAKEARGS)
then
	exit 1
fi

if !(make -f Makefile.generated $JOBS)
then
	exit 1
fi

if !(qmake -r ../../../JavaScriptCore/jsc.pro \
     $QMAKEARGS)
then
	exit 1
fi

if !(make $JOBS)
then
	exit 1
fi