#!/bin/bash

usage() {

    echo "usage: `basename $0` [OPTIONS]"

    echo "  --threads NUM         The number of threads to use for running tests."

    echo "  --multilib-arch ARCH  Use this option to test 32-bit libs/binaries on"

    echo "                        64-bit hosts."

}

threads_arg=''

while [ $# -gt 0 ]; do

    case $1 in

        --threads)

            shift

            threads_arg="--threads $1"

            ;;

	--multilib-arch)

            shift

	    ARCH=$1

	    ;;

        * )

            echo "unknown option: $1"

            echo ""

            usage

            exit 1

            ;;

    esac

    shift

done

set -xe

if [ -z "$ARCH" ]; then

    ARCH=`rpm --eval '%_arch'`

fi

case $ARCH in

    arm)

	;&

    i686)

        LIB_DIR="/usr/lib/"

        ;;

    *)

        LIB_DIR="/usr/lib64/"

        ;;

esac

cd $(mktemp -d)

ln -s /usr/include include

tar -xzf /usr/share/llvm/src/test.tar.gz

ln -s $ARCH.site.cfg.py test/lit.site.cfg.py

ln -s $ARCH.site.cfg.py test/Unit/lit.site.cfg.py

# llvm_obj_root is used to determine the directory the tests will run in.

# test/MC/MachO/gen-dwarf.s fails if llvm_obj_root is a parent directory

# of the source file.  To workaround this, we set llvm_obj_root to a

# different directory than the one used to store the test sources.

# This also matches better how tests are run from the llvm source tree.

lit -v -s $threads_arg test \

	-Dllvm_obj_root=$(mktemp -d) \

	-Dllvm_test_root=`pwd`/test \

	-Dllvm_unittest_bindir=$LIB_DIR/llvm \

	-Dllvm_shlib_dir=$LIB_DIR