.SILENT:
.DEFAULT_GOAL := all

# ====== Configurations and Binaries ====== #
CC := clang
CXX := clang++
CMAKE := cmake
RM := rm -f
PRINTF := printf

# ====== Flags ====== #
CCXX_FLAGS := \
	-Wall -Wextra -Werror -pedantic \
	-MMD -MP -I$(SRC_DIR)

CXX_FLAGS := -std=c++14 \
	$(CCXX_FLAGS) -fno-rtti -fno-exceptions

LD_FLAGS := -lc -nostdlib++

MI_FLAGS := -G"Unix Makefiles" -DCMAKE_C_COMPILER=$(CC) \
	-DMI_BUILD_TESTS=OFF -DMI_BUILD_STATIC=OFF -DMI_BUILD_SHARED=OFF -DMI_BUILD_OBJECT=ON \
	-DMI_OVERRIDE=ON -DMI_NO_USE_CXX=ON -DMI_DEBUG=0

# ====== Sources ====== #
TOP_DIR := .
SRC_DIR := $(TOP_DIR)/src
MI_DIR := $(TOP_DIR)/mimalloc
MI_INCLUDE_DIR := $(MI_DIR)/include

MI_O := $(MI_DIR)/mimalloc.o

VOIDC_CXX := $(SRC_DIR)/voidc.cc
VOIDC_O := $(VOIDC_CXX:.cc=.o)
VOIDC_D := $(VOIDC_CXX:.cc=.d)
VOIDC := $(TOP_DIR)/voidc

# ====== Rules ====== #
.PHONY: all
all: $(VOIDC)

$(MI_O): $(MI_DIR)
	$(CMAKE) $(MI_FLAGS) -S $(MI_DIR) -B $(MI_DIR)
	$(MAKE) -C $(MI_DIR)

$(VOIDC_O): CCXX_FLAGS += -I$(MI_INCLUDE_DIR)

$(VOIDC): $(VOIDC_O) $(MI_O)
	$(PRINTF) " CXXLD %s\n" $<
	$(CXX) $^ -o $@ $(LD_FLAGS) 

%.o: %.cc
	$(PRINTF) " CXX %s\n" $<
	$(CXX) $< -o $@ -c $(CXX_FLAGS)

.PHONY: clean
clean:
	$(MAKE) -C $(MI_DIR) clean
	$(RM) $(VOIDC_O) $(VOIDC_D) $(VOIDC)

-include $(VOIDC_D)