# 4k intro Makefile
# Windows, OS X and Linux

CHECK_OS = $(shell uname)
ifeq ($(CHECK_OS),)
PLATFORM = WIN32
endif
ifeq ($(CHECK_OS),Linux)
PLATFORM = LINUX
endif
ifeq ($(CHECK_OS),Darwin)
PLATFORM = OS_X
endif

#debuggie thingie
DEBUG = TRUE
#to use SDL under Windows or OS X
USESDL = TRUE

#compiler we're using
CC = gcc
CXX = g++

#sourcefiles in use
OBJ = main.o
# play.o synth.o

TARGET = main
LDFLAGS = -L./ -LC:\Dev-Cpp\lib
INCLUDES = -Iinclude
CFLAGS=

#-fno-strict-aliasing
CXXFLAGS =
CCFLAGS =
#-msse -ftree-vectorize your friends
#CFLAGS = -Os -fno-exceptions -fno-rtti $(INCLUDES)
RELEASES = 

ifeq ($(DEBUG),TRUE)
CFLAGS += -D__DEBUG -ggdb -Wall
#CFLAGS += -D__DEBUG -Wall
CXXFLAGS += -pedantic -Wextra
endif

#Linux Makefile setup
ifeq ($(PLATFORM), LINUX)
CFLAGS += -DSDL
ifeq ($(DEBUG),TRUE)
CFLAGS += -ggdb -DDEBUG -fno-strict-aliasing -DX86_ASM -std=c99 -march=i686 $(shell sdl-config --cflags) $(INCLUDES)
LDFLAGS += -lm `sdl-config --libs` -lGL -lGLU -L/usr/lib/ -L/usr/X11R6/lib/
else
CFLAGS += -Os -fmodulo-sched -fno-toplevel-reorder -fno-inline -fno-defer-pop -fno-keep-static-consts -fmerge-all-constants -fstrength-reduce -ffast-math -fomit-frame-pointer \
	-fno-builtin -D__X11__ -DSDL -I/usr/include/GL/ $(shell sdl-config --cflags) -DX86_ASM -std=c99 -march=i386 $(INCLUDES)
CFLAGS += $(ADDFLAGS)
LDFLAGS += -nostdlib -nostartfiles -ldl -L/usr/lib/ -L/usr/X11R6/lib/
endif
INCLUDES += -Iinclude/GL -Iinclude/SDL



endif

#Mac OS X Makefile setup
ifeq ($(PLATFORM), OS_X)
CFLAGS += -Os -fno-strict-aliasing -DX86_ASM -std=c99 -march=i686 $(INCLUDES)

ifeq ($(DEBUG),TRUE)
CFLAGS += `sdl-config --cflags`
LDFLAGS += `sdl-config --libs` -lpng -lz -lSDL_mixer
else
OBJ += SDLMain.o
CFLAGS += -isysroot /Developer/SDKs/MacOSX10.4u.sdk -arch ppc -arch i386
LDFLAGS += -Wl,-syslibroot,/Developer/SDKs/MacOSX10.4u.sdk -arch ppc -arch i386 -framework SDL -framework Cocoa -framework OpenGL
endif

CFLAGS += -DOS_X -DSDL -I/System/Library/Frameworks/AGL.framework/Headers
#for PowerPC - Intel crosscompilation use -arch switch
#lipo tool can merge the binaries easily
#CC = gcc-3.3
#CXX = g++-3.3
ENDIAN = $(shell uname -m)

endif

#Windows Makefile setup
ifeq ($(PLATFORM), WIN32)
INCLUDES += -Iinclude/GL
ifeq ($(USESDL), TRUE)
CFLAGS += -Os -fno-strict-aliasing -DX86_ASM -std=c99 -march=i686 $(shell sdl-config --cflags) $(INCLUDES)
INCLUDES += -Iinclude/SDL
CFLAGS += -DSDL
LDFLAGS += -lmingw32 -liberty -lglu32 -lopengl32 -lgdi32 -lm
#ifeq ($(DEBUG),FALSE)
CFLAGS += -Dmain=SDL_main
LDFLAGS += -mwindows -lSDLmain
#endif
LDFLAGS += -lSDL
else
#CFLAGS += -Os -fno-strict-aliasing -DX86_ASM -std=c99 -march=i686 $(shell sdl-config --cflags) $(INCLUDES)
#CFLAGS += -DWIN32 -Os -std=c99 $(INCLUDES)

#CFLAGS += -DWIN32 -ffast-math -fexpensive-optimizations -fno-peephole -fno-defer-pop -Os -std=c99 $(INCLUDES)

CFLAGS += -DWIN32 -Os -ffast-math -fexpensive-optimizations -fno-peephole -fno-defer-pop \
	-fno-keep-static-consts -fmerge-all-constants -fstrength-reduce -fno-builtin \
	-fno-strict-aliasing -DX86_ASM -std=c99 -march=i686 $(INCLUDES)


LDFLAGS += -s -lmingw32 -lopengl32 -lglu32 -lgdi32 -lkernel32 -luser32 -lm -lwinmm -mwindows -mno-cygwin -nostdlib -lmsvcrt
endif

TARGET = main.exe
endif

.PHONY: all all-before all-after clean clean-custom
all: all-before $(TARGET) all-after
#define some system utilities
RM = rm -f
CP = cp -R
MKDIR = mkdir

clean:
	 $(RM) $(OBJ) $(TARGET)

%.o: %.m $(HEADERS)
	$(CC) $(CFLAGS) $(CCFLAGS) -c $<

%.o: %.c $(HEADERS)
	$(CC) $(CFLAGS) $(CCFLAGS) -c $<

$(TARGET): $(OBJ)
	$(CC) -o $@ $(OBJ) $(LDFLAGS)