#!/bin/bash
CHPL_VERSION=1.30.0
CHPL_LLVM_OVERRIDE=system

#Get tarball
mkdir -p src_tarballs
if [ ! -f src_tarballs/chapel-$CHPL_VERSION.tar.gz ]; then
wget -P src_tarballs https://github.com/chapel-lang/chapel/releases/download/$CHPL_VERSION/chapel-$CHPL_VERSION.tar.gz
fi

#Unpack it
if [ ! -d chapel-$CHPL_VERSION-src-$HOSTNAME ]; then
tar -xzf src_tarballs/chapel-$CHPL_VERSION.tar.gz && mv chapel-$CHPL_VERSION chapel-$CHPL_VERSION-src-$HOSTNAME
fi

#set it up and build it
pushd chapel-$CHPL_VERSION-src-$HOSTNAME
source util/setchplenv.bash
#if hostname == talos
export CHPL_CUDA_PATH=`pwd`/../cuda-$HOSTNAME
export CHPL_LOCALE_MODEL=gpu
export CHPL_LLVM=$CHPL_LLVM_OVERRIDE
export CC=clang
export CXX=clang++
#traditional build
make clean
#./configure --prefix=`pwd`/../../build_dirs/$HOSTNAME/chapel-$CHPL_VERSION
./configure --prefix=`pwd`/../chapel-$CHPL_VERSION-build-$HOSTNAME
make -j `nproc`
make install
#debug build
make clean
./configure --prefix=`pwd`/../chapel-$CHPL_VERSION-build.gdb-$HOSTNAME
make -j `nproc` DEBUG=1 OPTIMIZE=0
make install DEBUG=1 OPTIMIZE=0
popd

#check for previous symbolic link
if [ -L ./chapel-latest-$HOSTNAME ]; then
  rm ./chapel-latest-$HOSTNAME
fi
if [ -L ./chapel-latest.gdb-$HOSTNAME ]; then
  rm ./chapel-latest.gdb-$HOSTNAME
fi
#Make a "latest" link
ln -s ./chapel-$CHPL_VERSION-build-$HOSTNAME ./chapel-latest-$HOSTNAME
ln -s ./chapel-$CHPL_VERSION-build.gdb-$HOSTNAME ./chapel-latest.gdb-$HOSTNAME