# makefile to fail if any command in pipe is failed.
SHELL = /bin/bash -o pipefail

# using gcc version 5.4.1 20161213 (Linaro GCC 5.4-2017.01-rc2)
BASE    = arm-linux-gnueabihf

CC      = $(BASE)-gcc
LD      = $(BASE)-ld
STRIP   = $(BASE)-strip

ifeq ($(V),1)
	Q :=
else
	Q := @
endif

INCLUDE	= -I./
INCLUDE	+= -I./support/minimig
INCLUDE	+= -I./lib/libco
INCLUDE	+= -I./lib/miniz
INCLUDE	+= -I./lib/md5

PRJ = MiSTer
C_SRC =   $(wildcard *.c) \
          $(wildcard ./lib/miniz/*.c) \
          $(wildcard ./lib/md5/*.c) \
          lib/libco/arm.c 

CPP_SRC = $(wildcard *.cpp) \
          $(wildcard ./support/minimig/*.cpp) \
          $(wildcard ./support/sharpmz/*.cpp) \
          $(wildcard ./support/archie/*.cpp) \
          $(wildcard ./support/st/*.cpp) \
          $(wildcard ./support/x86/*.cpp) \
          $(wildcard ./support/snes/*.cpp) \
          $(wildcard ./support/neogeo/*.cpp) \
          $(wildcard ./support/arcade/*.cpp) \
          $(wildcard ./support/megacd/*.cpp) \
          $(wildcard ./support/pcecd/*.cpp) \
          $(wildcard ./support/c64/*.cpp) \
          lib/lodepng/lodepng.cpp

IMG =     $(wildcard *.png)

IMLIB2_LIB  = -Llib/imlib2 -lfreetype -lbz2 -lpng16 -lz -lImlib2

OBJ	= $(C_SRC:.c=.c.o) $(CPP_SRC:.cpp=.cpp.o) $(IMG:.png=.png.o)
DEP	= $(C_SRC:.c=.c.d) $(CPP_SRC:.cpp=.cpp.d)

DFLAGS	= $(INCLUDE) -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -DVDATE=\"`date +"%y%m%d"`\"
CFLAGS	= $(DFLAGS) -Wall -Wextra -Wno-strict-aliasing -c -O3
LFLAGS	= -lc -lstdc++ -lrt $(IMLIB2_LIB)

$(PRJ): $(OBJ)
	$(Q)$(info $@)
	$(Q)$(CC) -o $@ $+ $(LFLAGS)
	$(Q)cp $@ $@.elf
	$(Q)$(STRIP) $@

clean:
	$(Q)rm -f *.elf *.map *.lst *.user *~ $(PRJ)
	$(Q)rm -rf obj DTAR* x64
	$(Q)find . \( -name '*.o' -o -name '*.d' -o -name '*.bak' -o -name '*.rej' -o -name '*.org' \) -exec rm -f {} \;

cleanall:
	$(Q)rm -rf $(OBJ) $(DEP) *.elf *.map *.lst *.bak *.rej *.org *.user *~ $(PRJ)
	$(Q)rm -rf obj DTAR* x64
	$(Q)find . -name '*.o' -delete
	$(Q)find . -name '*.d' -delete

%.c.o: %.c
	$(Q)$(info $<)
	$(Q)$(CC) $(CFLAGS) -std=gnu99 -o $@ -c $< 2>&1 | sed -e 's/\(.[a-zA-Z]\+\):\([0-9]\+\):\([0-9]\+\):/\1(\2,\ \3):/g'

%.cpp.o: %.cpp
	$(Q)$(info $<)
	$(Q)$(CC) $(CFLAGS) -std=gnu++14 -o $@ -c $< 2>&1 | sed -e 's/\(.[a-zA-Z]\+\):\([0-9]\+\):\([0-9]\+\):/\1(\2,\ \3):/g'

%.png.o: %.png
	$(Q)$(info $<)
	$(Q)$(LD) -r -b binary -o $@ $< 2>&1 | sed -e 's/\(.[a-zA-Z]\+\):\([0-9]\+\):\([0-9]\+\):/\1(\2,\ \3):/g'

-include $(DEP)
%.c.d: %.c
	$(Q)$(CC) $(DFLAGS) -MM $< -MT $@ -MT $*.c.o -MF $@ 2>&1 | sed -e 's/\(.[a-zA-Z]\+\):\([0-9]\+\):\([0-9]\+\):/\1(\2,\ \3):/g'

%.cpp.d: %.cpp
	$(Q)$(CC) $(DFLAGS) -MM $< -MT $@ -MT $*.cpp.o -MF $@ 2>&1 | sed -e 's/\(.[a-zA-Z]\+\):\([0-9]\+\):\([0-9]\+\):/\1(\2,\ \3):/g'

# Ensure correct time stamp
main.cpp.o: $(filter-out main.cpp.o, $(OBJ))