# This build was put together and is maintained by ModMyClassic.com for Libretro.
# The purpose is to give Libretro a proper "official" build platform for classic consoles.
# If you need any help in building for the classics or have any questions then please visit
# https://modmyclassic.com/comp and we will help in any way possible!

# Building Prerequisites ##############
# arm-linux-gnueabihf-strip
# patchelf
# bc

include version.all

# Classic Readme Variables ############
CLASSIC_ALT_VER := $(shell echo $(RARCH_VERSION) | tr . _)
CLASSIC_MODS_VER := Official_Retroarch_v$(CLASSIC_ALT_VER)
CLASSIC_MODS_NAME := RetroArch v$(RARCH_VERSION) (Official Optimised)
CLASSIC_VERSION := $(RARCH_VERSION)
MOD_CREATOR := Libretro + ModMyClassic
MOD_CATEGORY := RetroArch
GIT_COMMIT := $(shell echo "`git rev-parse --short HEAD``git diff-index --quiet HEAD -- || echo '-dirty'`")

# Platform dependant Variables ########
HAKCHI_DIR := RA_Platform-Hakchi
HAKCHI_GIT := https://github.com/Classicmods/RA_Platform-Hakchi

# General Shared Variables ############
TARGET := retroarch

# Libretro Defines ####################
#HAVE_CLASSIC = Classic Hook, disable some features
#HAVE_C_A7A7 = Classic Armv7 Cortex A7 optimisation override
#HAVE_HAKCHI = Hakchi Hook, change default configurations etc (TODO)

all: $(TARGET)

retroarch:
	#Build the RetroArch Binary for cross platform classics (ARMv7 Cortex A7)
	patchelf --version #Check if you have patchelf installed... (sudo apt-get install patchelf)
	CFLAGS="-marm -mtune=cortex-a7 -mfpu=neon-vfpv4 -mfloat-abi=hard" ./configure --host=arm-linux-gnueabihf --enable-mali_fbdev --disable-freetype --enable-opengles --enable-udev --enable-alsa --enable-neon --enable-floathard --disable-discord
	make HAVE_CLASSIC=1 HAVE_C_A7A7=1 HAVE_HAKCHI=1 -j #Cook it
	arm-linux-gnueabihf-strip -v retroarch
	patchelf --replace-needed libSDL2-2.0.so.0 libSDL2.so retroarch #libSDL2-2.0.so.0 sym link doesn't exist on native build. Just patch the binary...

	#HAKCHI BUILD (NESC, SNESC)
	#FYI this build was originally known as RetroArch 'Neo' for Hakchi.
	@echo "** BUILDING CLASSIC_MODS HAKCHI - $(CLASSIC_MODS_VER) HMOD PACKAGE **"
	rm -fr /tmp/$(HAKCHI_DIR)
	cd /tmp/; git clone $(HAKCHI_GIT)
	cp retroarch /tmp/$(HAKCHI_DIR)/bin/retroarch
	echo $$(echo "Built by: " $$USER @ $$(date) \\\\\\ Git Commit: $(GIT_COMMIT)) > /tmp/$(HAKCHI_DIR)/etc/libretro/retroarch_version
	cp /tmp/$(HAKCHI_DIR)/readme.md /tmp/$(HAKCHI_DIR)/readme_COPY.md
	printf "%s\n" \
	"---" \
	"Name: $(CLASSIC_MODS_NAME)" \
	"Creator: $(MOD_CREATOR)" \
	"Category: $(MOD_CATEGORY)" \
	"Version: $(CLASSIC_MODS_VER)" \
	"Built on: $(shell date)" \
	"Git commit: $(GIT_COMMIT)" \
	"---" > /tmp/$(HAKCHI_DIR)/readme.md
	cat /tmp/$(HAKCHI_DIR)/readme_COPY.md >> /tmp/$(HAKCHI_DIR)/readme.md
	rm /tmp/$(HAKCHI_DIR)/readme_COPY.md
	@echo "** COMPRESSING $(CLASSIC_MODS_VER) HMOD PACKAGE **"
	cd /tmp/$(HAKCHI_DIR)/; tar -czvf "$(CLASSIC_MODS_VER).hmod" *
	mv /tmp/$(HAKCHI_DIR)/$(CLASSIC_MODS_VER).hmod .
	@echo "** BUILT CLASSIC_MODS HAKCHI - $(CLASSIC_MODS_VER) HMOD PACKAGE **"
	rm -fr /tmp/$(HAKCHI_DIR) #clean up tmp

	@echo "*********************************************************************"
	@echo "*** Classic ARM7 Cortex A7 build and packages built successfully! ***"
	@echo "****************** Winner, Winner, Chicken Dinner! ******************"
	@echo "*********************************************************************"
clean:
	rm -rf obj-unix
	rm -f *.d
	rm -f *.o
	rm -f audio/*.o
	rm -f conf/*.o
	rm -f gfx/*.o
	rm -f gfx/drivers_font/*.o
	rm -f gfx/drivers_font_renderer/*.o
	rm -f gfx/drivers_context/*.o
	rm -f gfx/py_state/*.o
	rm -f compat/*.o
	rm -f record/*.o
	rm -f input/*.o
	rm -f tools/*.o
	rm -f $(BINDIR)/retroarch
	rm -f $(BINDIR)/retroarch-joyconfig
	rm -f $(PNDDIR)/readme.html
	rm -f retroarch
	rm -f $(CLASSIC_MODS_VER).hmod