.include "config.mk"

PREFIX      ?= /usr/local
LIBDIR      ?= ${PREFIX}/lib
INCDIR      ?= ${PREFIX}/include

STATIC_LIB   = lib${LIB_NAME}.a
CFLAGS_BASE  = -Wall -Wpedantic -I${.CURDIR}/${INC_DIR} -std=c89

.PHONY: all debug release tools clean test install uninstall

all: debug tools

OBJS_DEBUG   = ${SRCS:S|^src/|${.CURDIR}/obj/debug/|:S/.c$/.o/}
OBJS_RELEASE = ${SRCS:S|^src/|${.CURDIR}/obj/release/|:S/.c$/.o/}

TOOL_DEBUG_BINS   = ${TOOL_SRCS:S|^tools/|${.CURDIR}/${BIN_DIR}/debug/tools/|:S/.c$//}
TOOL_RELEASE_BINS = ${TOOL_SRCS:S|^tools/|${.CURDIR}/${BIN_DIR}/release/tools/|:S/.c$//}

debug: ${.CURDIR}/${BIN_DIR}/debug/${STATIC_LIB}
release: ${.CURDIR}/${BIN_DIR}/release/${STATIC_LIB} ${TOOL_RELEASE_BINS}

tools: ${TOOL_DEBUG_BINS}

${.CURDIR}/${BIN_DIR}/debug/${STATIC_LIB}: ${OBJS_DEBUG}
	@mkdir -p ${.TARGET:H}
	ar rcs ${.TARGET} ${.ALLSRC}

${.CURDIR}/${BIN_DIR}/release/${STATIC_LIB}: ${OBJS_RELEASE}
	@mkdir -p ${.TARGET:H}
	ar rcs ${.TARGET} ${.ALLSRC}

.for _src in ${SRCS}
${.CURDIR}/obj/debug/${_src:S|^src/||:S/.c$/.o/}: ${.CURDIR}/${_src}
	@mkdir -p ${.TARGET:H}
	${CC} ${CFLAGS_BASE} -g -O0 -MMD -MP -MT ${.TARGET} -MF ${.TARGET:S/.o$/.d/} -c ${.ALLSRC} -o ${.TARGET}

${.CURDIR}/obj/release/${_src:S|^src/||:S/.c$/.o/}: ${.CURDIR}/${_src}
	@mkdir -p ${.TARGET:H}
	${CC} ${CFLAGS_BASE} -O2 -MMD -MP -MT ${.TARGET} -MF ${.TARGET:S/.o$/.d/} -c ${.ALLSRC} -o ${.TARGET}
.endfor

.for _src in ${TOOL_SRCS}
${.CURDIR}/obj/debug/tools/${_src:S|^tools/||:S/.c$/.o/}: ${.CURDIR}/${_src}
	@mkdir -p ${.TARGET:H}
	${CC} ${CFLAGS_BASE} -g -O0 -MMD -MP -MT ${.TARGET} -MF ${.TARGET:S/.o$/.d/} -c ${.ALLSRC} -o ${.TARGET}

${.CURDIR}/${BIN_DIR}/debug/tools/${_src:S|^tools/||:S/.c$//}: ${.CURDIR}/obj/debug/tools/${_src:S|^tools/||:S/.c$/.o/} ${.CURDIR}/${BIN_DIR}/debug/${STATIC_LIB}
	@mkdir -p ${.TARGET:H}
	${CC} -o ${.TARGET} ${.CURDIR}/obj/debug/tools/${_src:S|^tools/||:S/.c$/.o/} -L${.CURDIR}/${BIN_DIR}/debug -l${LIB_NAME}

${.CURDIR}/obj/release/tools/${_src:S|^tools/||:S/.c$/.o/}: ${.CURDIR}/${_src}
	@mkdir -p ${.TARGET:H}
	${CC} ${CFLAGS_BASE} -O2 -MMD -MP -MT ${.TARGET} -MF ${.TARGET:S/.o$/.d/} -c ${.ALLSRC} -o ${.TARGET}

${.CURDIR}/${BIN_DIR}/release/tools/${_src:S|^tools/||:S/.c$//}: ${.CURDIR}/obj/release/tools/${_src:S|^tools/||:S/.c$/.o/} ${.CURDIR}/${BIN_DIR}/release/${STATIC_LIB}
	@mkdir -p ${.TARGET:H}
	${CC} -O2 -s -o ${.TARGET} ${.CURDIR}/obj/release/tools/${_src:S|^tools/||:S/.c$/.o/} -L${.CURDIR}/${BIN_DIR}/release -l${LIB_NAME}
.endfor

clean:
	rm -rf ${.CURDIR}/${OBJ_DIR} ${.CURDIR}/${BIN_DIR}

test: debug
	@echo "=== Building and running fpk tests ==="
	cd ${.CURDIR}/test && ${MAKE} -f bmake.mk

install:
	@test -f ${.CURDIR}/${BIN_DIR}/release/${STATIC_LIB} || { echo "Run 'make -f bmake.mk release' before installing."; exit 1; }
	install -d ${LIBDIR} ${INCDIR}/fpk
	install -m 644 ${.CURDIR}/${BIN_DIR}/release/${STATIC_LIB} ${LIBDIR}/
	install -m 644 ${.CURDIR}/${INC_DIR}/fpk.h ${INCDIR}/fpk/
	install -m 644 ${.CURDIR}/${INC_DIR}/fpk_version.h ${INCDIR}/fpk/

uninstall:
	rm -f ${LIBDIR}/${STATIC_LIB}
	rm -rf ${INCDIR}/fpk