# A makefile that should work for any SSDL projects running on Unix
# Adapt as needed
#  -- from the SDL (Simple SDL) library, but no copyright is claimed

# Thanks https://stackoverflow.com/questions/50114325/capitalize-first-letter-of-string-in-makefile-using-bash-4-syntax
EXECUTABLE = $(shell basename $(CURDIR)) 

	#What are our source files, and where are they?  
	# All .c, .cpp, and .cc files
C_SOURCES 	= $(wildcard *.c)
CPP_SOURCES	= $(wildcard *.cpp)
CC_SOURCES 	= $(wildcard *.cc)

	#So what are our object files, and where are they?  
	# Anything we can make with those source files
C_OBJECTS 	= ${C_SOURCES:  .c  =.o}
CPP_OBJECTS	= ${CPP_SOURCES:.cpp=.o}
CC_OBJECTS 	= ${CC_SOURCES: .cc =.o}
ALL_OBJECTS	= $(notdir $(C_OBJECTS) $(CPP_OBJECTS) $(CC_OBJECTS))

	#Tell g++ where to find include files for SDL2, SSDL, {fmt}
INCLUDE_FLAGS	= `sdl2-config --cflags` -I${HOME}/external/SSDL/include \
				  -I${HOME}/external/fmt-master/include

LANGUAGE_FLAGS  = -std=gnu++2a  #Specify language standard: C++20
                                #MinGW can't do the fmt library
                                # unless we specify gnu++ to add gnu
                                # extensions, so I'll just use it throughout.

    #Tell g++ where to find library files for SDL2, SSDL
LIBRARIES       = ssdl SDL2_image SDL2_ttf SDL2_mixer
LIBRARY_DIRS    = ${HOME}/external/SSDL/unix
LIB_FLAGS       = -L$(LIBRARY_DIRS) `sdl2-config --libs` \
				  $(foreach library,$(LIBRARIES), -l$(library))

ALL_FLAGS   	= $(INCLUDE_FLAGS) $(LANGUAGE_FLAGS) $(LIB_FLAGS)

##########################################################################

all: $(EXECUTABLE)

.PHONY: all clean showvars 

showvars:  
	@ echo $(CPP_SOURCES) "-->" $(CPP_OBJECTS)
	@ echo ALL_FLAGS  $(ALL_FLAGS)
	
$(EXECUTABLE): $(ALL_OBJECTS)
#	@ echo 'ALL_FLAGS :' $(ALL_FLAGS)
	g++ -o $@ -g $^ $(ALL_FLAGS) 
#	@ # -g means: 	 support debugging
#	@ # $^ means:  	 use all the objects
#	@ # -o $@ means: let the output be called $(EXECUTABLE)

clean:
	rm -f $(EXECUTABLE)
	rm -f $(ALL_OBJECTS)
	rm -f core
	rm -f *.ncb *.sdf
	rm -r -f Debug Release .vs Backup	

$(C_OBJECTS): %.o : 	%.c
	g++ -g -c $(INCLUDE_FLAGS) $(LANGUAGE_FLAGS) $< -o $@

$(CC_OBJECTS): %.o : 	%.cc
	g++ -g -c $(INCLUDE_FLAGS) $(LANGUAGE_FLAGS) $< -o $@

$(CPP_OBJECTS): %.o : 	%.cpp
	g++ -g -c $(INCLUDE_FLAGS) $(LANGUAGE_FLAGS) $< -o $@