#!/bin/bash -e

#
#	Copyright (c) 2024 Scott Duensing, scott@kangaroopunch.com
#
#	Permission is hereby granted, free of charge, to any person obtaining a copy
#	of this software and associated documentation files (the "Software"), to deal
#	in the Software without restriction, including without limitation the rights
#	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#	copies of the Software, and to permit persons to whom the Software is
#	furnished to do so, subject to the following conditions:
#
#	The above copyright notice and this permission notice shall be included in
#	all copies or substantial portions of the Software.
#
#	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
#	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
#	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
#	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
#	SOFTWARE.
#


ROOT=$(pwd)
INSTALL=${ROOT}/llvm-mos

if [[ ! -d llvm-mos-source ]] || [[ "${1,,}" == "all" ]]; then
	sudo apt-get install -y cmake ninja-build
	if [[ ! -d llvm-mos-source ]]; then
		git clone https://github.com/llvm-mos/llvm-mos.git llvm-mos-source
	fi

	pushd llvm-mos-source
		cmake \
			-C clang/cmake/caches/MOS.cmake \
			-G Ninja \
			-S llvm \
			-B build \
			-DCMAKE_INSTALL_PREFIX=${INSTALL}
		cmake --build build
		cmake --install build
	popd
fi

if [[ ! -d llvm-mos-sdk-source ]]; then
	git clone https://github.com/llvm-mos/llvm-mos-sdk.git llvm-mos-sdk-source
fi

LIST=llvm-mos-sdk-source/mos-platform/CMakeLists.txt
cp -Rf llvm-mos-sdk-patches/* llvm-mos-sdk-source/.
if [[ ! -e ${LIST}.original ]]; then
	cp -f ${LIST} ${LIST}.original
	echo "add_subdirectory(f256)" >> ${LIST}
fi

pushd llvm-mos-sdk-source
	if [[ -d .builddir ]]; then
		rm -rf .builddir
	fi
	mkdir -p .builddir
	pushd .builddir
		cmake \
			-G Ninja \
			-DCMAKE_INSTALL_PREFIX=${INSTALL} \
			..
		ninja install
	popd
popd