#!/bin/sh
#
# Automatically build labwc
#

builddir=build
g_asan=
g_wlroots=

die () { printf '\033[31mfatal:\033[m %b\n' "$@" >&2 ; exit 1 ; }
warn () { printf '\033[31mwarn:\033[m %b\n' "$@" >&2 ; }
say () { printf '\033[32m%s\033[m' "$@" ; }

usage () {
	printf "%s\n" \
"Usage: ./tools/build [<options>]
Options:
-w             install wlroots as subproject
--asan         run with ASAN and UBSAN
--clang        run with clang
-h, --help     show help"
	exit 0
}

wlroots_subproject () {
	if ! [ -e subprojects/wlroots ]; then
		git clone https://github.com/swaywm/wlroots subprojects/wlroots
	fi
}

main () {
	[[ -e src/main.c ]] || die "must be run from top-level directory"

	for arg
	do
		opt=${arg%%=*}
		var=${arg#*=}
		case "$opt" in
		-w)
			wlroots_subproject
			g_wlroots="-Dwlroots:default_library=static"
			;;
		--asan)
			g_asan="-Db_sanitize=address,undefined" ;;
		--clang)
			export CC=clang
			;;
		-h|--help)
			usage ;;
		esac
	done

	[ -e ${builddir} ] && die "build directory already exists - delete and run again"
	meson ${g_asan} ${g_wlroots} ${builddir}
	ninja -C ${builddir}
	LSAN_OPTIONS=suppressions=../tools/asan_suppressions.txt ninja -C ${builddir} test
}

main "$@"