# Author Yannis Gerlach
# Hochschule Osnabrück
# 13.11.2020

# `make clean all` nicht mit -j verwenden! -> race condition im make file
# statdessen: `make clean; make all -j` verwenden

NAME = libBeatsaber.a
NAMETEST = test
CFLAGS = -std=c++17 -O2 -pipe -Wall -Wextra -Wno-unused-parameter -Wpedantic -rdynamic -g
CXX = g++
SRCF = src/
BUILDDIR = build/
TESTF = tests/
DEPF = $(BUILDDIR)deps/
INCF = ./include/
INCFS = $(shell find $(INCF) -type d)

INCLUDES = $(addprefix -I, $(INCFS))
LDFLAGS = 

SRCFILES = $(shell find $(SRCF) -name "*.cpp")
OBJFILES = $(patsubst $(SRCF)%, $(BUILDDIR)%, $(patsubst %.cpp, %.o, $(SRCFILES)))
DEPFILES = $(wildcard $(DEPF)*.d)

SOURCEDIRS = $(shell find $(SRCF) -type d -printf "%p/\n")
BUILDDIRS = $(patsubst $(SRCF)%, $(BUILDDIR)%, $(SOURCEDIRS))

INCLUDES += $(addprefix -I, $(SOURCEDIRS))

# FEATURES

# zipFile support
DEFINES += -DBEATSABERZIPSUPPORT=1

# link zipios dynamic
LDFLAGS += -lzipios

# OR link zipios static (path to static lib)
#OBJFILES += /usr/local/lib/libzipios.a
#LDFLAGS += -lz #libzlib is still required dynamic


OBJFILESTEST = $(OBJFILES)

all: $(NAME) runtest

$(NAME): $(OBJFILES) | $(BUILDDIRS) $(DEPF)
	@$(AR) rvs $@ $(filter %.o, $^)

$(BUILDDIR)%.o: $(SRCF)%.cpp | $(BUILDDIRS) $(DEPF)
	@echo "Compiling: $@"
	@$(CXX) $(CFLAGS) $(DEFINES) $(INCLUDES) $< -MM -MT $@ > $(DEPF)$(subst /,_,$*).d
	@$(CXX) -c -o $@ $(CFLAGS) $(DEFINES) $(INCLUDES) $<

%/:
	mkdir -p $@

clean-depends:
	$(RM) -r $(DEPF)

clean:
	$(RM) -r $(NAME) $(BUILDDIR) $(NAMETEST)

$(NAMETEST): $(BUILDDIRS) $(DEPF) $(TESTF)*.cpp $(OBJFILESTEST) $(NAME)
	@echo "Compiling tests"
	@$(CXX) -o $@ $(filter %.o, $^) $(filter %.cpp, $^) $(filter %.a, $^) $(CFLAGS) $(DEFINES) $(INCLUDES) $(LDFLAGS)

runtest: $(NAMETEST)
	@echo "Running tests"
	./$<

.PHONY: clean all $(NAMETEST) clean-depends runtest

include $(DEPFILES)