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PREFIX ?= /usr/local
LIBDIR ?= /lib
INCLDIR ?= /include

CFLAGS = -I include -I lib/liballoc/include -I lib/libdvec/include
CFLAGS += -Wunused-function -Wunused-variable -Wno-prototype
CFLAGS += -Wconversion -Wsign-compare -Werror

ifeq "$(DEBUG)" "1"
CFLAGS += -Og -g
else
CFLAGS += -O2
endif

ifeq "$(ASSERT_ARGS)" "1"
CFLAGS += -Dlibstrvec_ASSERT_ARGS=1
endif

ifeq "$(ASSERT_ALLOC)" "1"
CFLAGS += -Dlibstrvec_ASSERT_ALLOC=1
endif

all: build/libstrvec.so build/libstrvec.a build/test

clean:
	rm -rf build

cleanall: clean
	make -C lib/liballoc cleanall
	make -C lib/libdvec cleanall

build:
	mkdir build

lib/liballoc/build/liballoc.a:
	make -C lib/liballoc build/liballoc.a

lib/libdvec/build/libdvec.a:
	make -C lib/libdvec build/libdvec.a

build/libstrvec.a: src/strvec.c lib/libdvec/build/libdvec.a \
		include/strvec.h libstrvec.api | build
	$(CC) -o build/tmp.o src/strvec.c lib/libdvec/build/libdvec.a $(CFLAGS) -r
	objcopy --keep-global-symbols=libstrvec.api build/tmp.o build/fixed.o
	ar rcs $@ build/fixed.o

build/libstrvec.so: src/strvec.c include/strvec.h libstrvec.lds | build
	$(CC) -o $@ src/strvec.c -fPIC $(CFLAGS) \
		-shared -Wl,-version-script libstrvec.lds

build/test: src/test.c build/libstrvec.a lib/liballoc/build/liballoc.a
	$(CC) -o $@ $^ -g -I include -I lib/libdvec/include -I lib/liballoc/include

install:
	install -m644 include/strvec.h -t "$(DESTDIR)$(PREFIX)$(INCLDIR)"
	install -m755 build/libstrvec.so -t "$(DESTDIR)$(PREFIX)$(LIBDIR)"
	install -m755 build/libstrvec.a -t "$(DESTDIR)$(PREFIX)$(LIBDIR)"

uninstall:
	rm -f "$(DESTDIR)$(PREFIX)$(INCLDIR)/strvec.h"
	rm -f "$(DESTDIR)$(PREFIX)$(LIBDIR)/libstrvec.so"
	rm -f "$(DESTDIR)$(PREFIX)$(LIBDIR)/libstrvec.a"

.PHONY: all clean cleanall install uninstall