SHELL:=/bin/bash

caf:
	git clone https://github.com/lemire/FastPFor
	pushd FastPFor && git checkout 8030e3808f857cc12d1d09e264f1ad2a05b1964a # master at the time of writing
	patch FastPFor/CMakeLists.txt libcpp.patch
	bash ../ubuntu1804.sh make impl
	make package

impl:
	update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-9 40
	update-alternatives --install /usr/bin/cc cc /usr/bin/clang-9 40
	update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-9 40
	update-alternatives --install /usr/bin/clang clang /usr/bin/clang-9 40
	update-alternatives --install /usr/bin/ld ld /usr/bin/ld.lld-9 40
	pushd FastPFor && \
	CXX=$$(which c++) cmake . && \
	make -j $$(nproc)

package:
	rm -rf out
	mkdir -p out/opt/cppse/build/fastpfor/lib
	mkdir -p out/opt/cppse/build/fastpfor/include
	cp -prv ./FastPFor/libFastPFor.a out/opt/cppse/build/fastpfor/lib/
	cp -prv ./FastPFor/headers out/opt/cppse/build/fastpfor/include/
	rm -rf fastpfor_*_amd64.deb
	docker run -v "$$(pwd):/src/" rayburgemeestre/fpm-ubuntu:18.04 fpm -v 1.1 -s dir -t deb -n fastpfor --license MPL2 --maintainer "Ray Burgemeestre <ray@cppse.nl>" --description "fastpfor - build dependency" --url "https://github.com/rayburgemeestre/FastPFor" --deb-generate-changes -C /src/out

clean:
	rm -rf FastPFor
	rm -rf out

shell:
	FLAGS="-i --privileged" bash ../ubuntu1804.sh /bin/bash