Setup the LLVM compiler with the OpenMP extensions

llvm-omp-setup.sh

ROOT_DIR=${PWD}
BUILD_DIR=${ROOT_DIR}/omp-src
INSTALL_DIR=/usr/local/llvm-omp
LLVM_SRC_DIR=${BUILD_DIR}/llvm
LLVM_BUILD_DIR=${BUILD_DIR}/llvm-build

CLANG_INCLUDE=${LLVM_SRC_DIR}/include
CLANG_BIN=${LLVM_BUILD_DIR}/Release+Asserts/bin
CLANG_LIB=${LLVM_BUILD_DIR}/Release+Asserts/lib

echo "Checking out LLVM with OpenMP support source code"
mkdir -p ${BUILD_DIR}
cd ${BUILD_DIR}
if [ ! -d "${LLVM_SRC_DIR}" ]; then
   git clone https://github.com/clang-omp/llvm ${LLVM_SRC_DIR}
   git clone https://github.com/clang-omp/compiler-rt ${LLVM_SRC_DIR}/projects/compiler-rt
   git clone -b clang-omp https://github.com/clang-omp/clang ${LLVM_SRC_DIR}/tools/clang
fi 

echo "Compiling LLVM with OpenMP support"
mkdir -p ${LLVM_BUILD_DIR}
cd ${LLVM_BUILD_DIR}
../llvm/configure --enable-optimized --prefix=${INSTALL_DIR}
make -j2

#echo "Installing LLVM with OpenMP support to ${INSTALL_DIR}"
#make install

echo "LLVM+Clang Include Path : " ${CLANG_INCLUDE}
echo "LLVM+Clang Bin Path     : " ${CLANG_BIN}
echo "LLVM+Clang Lib Path     : " ${CLANG_LIB}

(echo 'export PATH='${CLANG_BIN}':${PATH}';
    echo 'export C_INCLUDE_PATH='${CLANG_INCLUDE}':${C_INCLUDE_PATH}'; 
    echo 'export CPLUS_INCLUDE_PATH='${CLANG_INCLUDE}':${CPLUS_INCLUDE_PATH}';
    echo 'export LIBRARY_PATH='${CLANG_LIB}':${LIBRARY_PATH}';
    echo 'export DYLD_LIBRARY_PATH='${CLANG_LIB}':${DYLD_LIBRARY_PATH}') >> ${ROOT_DIR}/llvm_bash_profile