# Either `debug` or `release`
BUILD_MODE ?= debug

CC   := gcc
LIB  := ../../target/$(BUILD_MODE)/libipl3checksum.a

CSTD       := -std=c11
ifeq ($(BUILD_MODE), debug)
	CFLAGS ?= -O0 -g3
else
	CFLAGS ?= -Os
endif
IINC       := -I include
WARNINGS   := -Wall -Wextra -Wshadow -Werror


C_BINDINGS_TESTS := $(wildcard tests/test_*.c)
C_BINDINGS_ELFS  := $(C_BINDINGS_TESTS:.c=.elf)

all: $(C_BINDINGS_ELFS)

clean:
	$(RM) -rf $(C_BINDINGS_ELFS) tests/*.elf

.PHONY: all clean
.DEFAULT_GOAL := all

CARGO_FLAGS ?=
ifneq ($(BUILD_MODE), debug)
    CARGO_FLAGS += --release
endif
$(shell cargo build --lib --features c_bindings $(CARGO_FLAGS))


%.elf: %.c $(LIB) tests/utils.c
	$(CC) $(CSTD) $(CFLAGS) $(IINC) $(WARNINGS) -o $@ tests/utils.c $< -L ../../target/$(BUILD_MODE) -Wl,-Bstatic -l ipl3checksum -Wl,-Bdynamic

# Print target for debugging
print-% : ; $(info $* is a $(flavor $*) variable set to [$($*)]) @true