#!/bin/sh
set -eu

exec >config.mk

case "$(uname)" in
	(FreeBSD)
		if ! pkg info -e libressl || ! pkg info -e sqlite3; then
			echo 'LibreSSL & SQLite3 required' >&2
			exit 1
		fi
		prefix=$(pkg query '%p' sqlite3)
		cat <<-EOF
		CFLAGS += -I${prefix}/include
		CFLAGS += -D'SQLITE3_BIN="${prefix}/bin/sqlite3"'
		LDFLAGS += -L${prefix}/lib
		RCS = rc.d/litterbox
		EOF
		exit
		;;
	(Linux)
		echo 'CFLAGS += -D_GNU_SOURCE'
		;;
esac

libs='libtls sqlite3'
pkg-config --print-errors $libs

cat <<EOF
CFLAGS += $(pkg-config --cflags $libs)
CFLAGS += -D'SQLITE3_BIN="$(pkg-config --variable=prefix sqlite3)/bin/sqlite3"'
LDFLAGS += $(pkg-config --libs-only-L $libs)
LDLIBS = $(pkg-config --libs-only-l sqlite3)
LDLIBS.litterbox = $(pkg-config --libs-only-l libtls)
EOF