LIB=libcx

BUILD_DIR?=build

COM_FLAGS = -fPIC -Isrc/include
CC_FLAGS  = -std=c23 
CXX_FLAGS = -std=c++23 -nostdinc++ 
LD_FLAGS  = -nostdlib++ -lsupc++ 
CC=clang
CXX=clang
LD=clang
AR=ar

ifeq ($(DEBUG),true)
    CXX_FLAGS += -DDEBUG -ggdb
    CC_FLAGS += -DDEBUG -ggdb
    LD_FLAGS += -ggdb
endif

cxx_sources=$(wildcard src/*.cpp)
c_sources=$(wildcard src/*.c)
objects=$(patsubst src/%.cpp,$(BUILD_DIR)/obj/%.cpp.o,$(cxx_sources)) $(patsubst src/%.c,$(BUILD_DIR)/obj/%.c.o,$(c_sources))


all: shared static compile_commands.json

shared: $(BUILD_DIR)/$(LIB).so
static: $(BUILD_DIR)/$(LIB).a

install: shared static 
	cp -r src/include/cx /usr/local/include/
	cp $(BUILD_DIR)/libcx.a /usr/lib/
	cp $(BUILD_DIR)/libcx.so /usr/lib/
	ldconfig  # updates linker cache
	cp libcx.pc /usr/lib/pkgconfig/

$(BUILD_DIR)/$(LIB).a: $(objects)
	$(AR) rcs $@ $^  

$(BUILD_DIR)/$(LIB).so: $(objects)
	$(LD) -shared -o $@ $^

clean:
	rm -r $(BUILD_DIR)/obj/

$(BUILD_DIR)/obj/%.cpp.o: */%.cpp
	@mkdir -p $(dir $@)
	$(CXX) -c -o $@ $< $(CXX_FLAGS) $(COM_FLAGS)

$(BUILD_DIR)/obj/%.c.o: */%.c
	@mkdir -p $(dir $@)
	$(CC) -c -o $@ $< $(CC_FLAGS) $(COM_FLAGS)

compile_commands.json:
	compiledb -n make