include ../premake.make
LDLIBS += -lboost_unit_test_framework

BIN := $(shell basename $$(pwd))

SRCS := $(notdir $(wildcard src/*.cpp))
SRCS += $(notdir $(filter-out ../src/main.cpp,$(wildcard ../src/*.cpp)))
OBJS := $(SRCS:.cpp=.o)
DEPS := $(SRCS:.cpp=.d)

BUILDDIR := build/intermediates/

CXX ?= g++
RM := /bin/rm -rf
INSTALL := /usr/bin/install -c

CXXFLAGS := $(CXXFLAGS) -Wshadow -Wall -Wpedantic -Wextra -g -fno-strict-aliasing -std=c++17 -pthread -I../src
ifeq ($(DEBUG),1)
	CXXFLAGS += -D DEBUG -O0
	CONFIG := debug
else
	CXXFLAGS += -D NDEBUG -O3
	CONFIG := release
endif
OUTDIR := build/$(CONFIG)/

vpath %.cpp src ../src
vpath %.d $(BUILDDIR)
vpath %.o $(BUILDDIR)

.PHONY: all clean prebuild

all: prebuild $(OUTDIR)$(BIN)

prebuild:
	@mkdir -p $(BUILDDIR) $(OUTDIR)

$(OUTDIR)$(BIN): $(OBJS) $(DEPS)
	$(CXX) $(addprefix $(BUILDDIR),$(OBJS)) $(LDFLAGS) $(LDLIBS) -o $(OUTDIR)$(BIN)
	@ln -sf $(OUTDIR)$(BIN) $(BIN)

%.o: %.cpp %.d
	$(CXX) $(CXXFLAGS) -MMD -MP -MT $@ -MF $*.d -c $<
	@mv $@ $*.d $(BUILDDIR)

-include $(BUILDDIR)*.d

%.d: ;

clean:
	$(RM) build $(BIN)