makefile

# https://stackoverflow.com/questions/5178125/how-to-place-object-files-in-separate-subdirectory

# Compiler and Linker
CC		  := ccache g++

#The Target Binary Program
TARGET	  := program

#The Directories, Source, Includes, Objects, Binary and Resources
SRCDIR	  := src
INCDIR	  := inc
BUILDDIR	:= obj
TARGETDIR   := bin
RESDIR	  := res
SRCEXT	  := cpp
DEPEXT	  := d
OBJEXT	  := o

#Flags, Libraries and Includes

# pkg-config --cflags freetype2
FREETYPE_FLAGS = -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/harfbuzz -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/sysprof-6 -pthread
CFLAGS	  := -std=c++17 -Wall $(FREETYPE_FLAGS)
LIB		 := -llua -lglfw -lGL -lX11 -lpthread -lXrandr -lXi -ldl -lassimp -lfreetype
INC		 := -I$(INCDIR) -I/usr/local/include
INCDEP	  := -I$(INCDIR)

#---------------------------------------------------------------------------------
#DO NOT EDIT BELOW THIS LINE
#---------------------------------------------------------------------------------
SOURCES	 := $(shell find $(SRCDIR) -type f -name *.$(SRCEXT))
OBJECTS	 := $(patsubst $(SRCDIR)/%,$(BUILDDIR)/%,$(SOURCES:.$(SRCEXT)=.$(OBJEXT)))

#Defauilt Make
all: resources $(TARGET)

#Remake
remake: cleaner all

#Copy Resources from Resources Directory to Target Directory
resources: directories
	@cp $(RESDIR)/* $(TARGETDIR)/

#Make the Directories
directories:
	@mkdir -p $(TARGETDIR)
	@mkdir -p $(BUILDDIR)

#Clean only Objecst
clean:
	@$(RM) -rf $(BUILDDIR)

#Full Clean, Objects and Binaries
cleaner: clean
	@$(RM) -rf $(TARGETDIR)

#Pull in dependency info for *existing* .o files
-include $(OBJECTS:.$(OBJEXT)=.$(DEPEXT))

#Link
$(TARGET): $(OBJECTS)
	$(CC) -o $(TARGETDIR)/$(TARGET) $^ $(LIB)

#Compile
$(BUILDDIR)/%.$(OBJEXT): $(SRCDIR)/%.$(SRCEXT)
	@mkdir -p $(dir $@)
	$(CC) $(CFLAGS) $(INC) -c -o $@ $<
	@$(CC) $(CFLAGS) $(INCDEP) -MM $(SRCDIR)/$*.$(SRCEXT) > $(BUILDDIR)/$*.$(DEPEXT)
	@cp -f $(BUILDDIR)/$*.$(DEPEXT) $(BUILDDIR)/$*.$(DEPEXT).tmp
	@sed -e 's|.*:|$(BUILDDIR)/$*.$(OBJEXT):|' < $(BUILDDIR)/$*.$(DEPEXT).tmp > $(BUILDDIR)/$*.$(DEPEXT)
	@sed -e 's/.*://' -e 's/\\$$//' < $(BUILDDIR)/$*.$(DEPEXT).tmp | fmt -1 | sed -e 's/^ *//' -e 's/$$/:/' >> $(BUILDDIR)/$*.$(DEPEXT)
	@rm -f $(BUILDDIR)/$*.$(DEPEXT).tmp

#Non-File Targets
.PHONY: all remake clean cleaner resources