Makefile.sc-rpi-ux-all

# RPI makefile for UX systems that autodetects
#  - bitdepth of system
#  - RPi standard and CM models 3,4,5
# and applies optimal processor specific compiler options

SHELL := /bin/sh

bitd_s := $(shell getconf LONG_BIT)

#RPI5
CPART := $(shell cat /proc/cpuinfo | grep part | grep -q 0xd0b && echo cortex-a76)

#RPI4
ifndef CPART
   CPART := $(shell cat /proc/cpuinfo | grep part | grep -q 0xd08 && echo cortex-a72)
endif

#RPI3
ifndef CPART
   CPART := $(shell cat /proc/cpuinfo | grep part | grep -q 0xd03 && echo cortex-a53)
endif


ifndef CPART
   $(error "Problems identifiying RPi 3,4 or 5!")
endif

#RPI5
ifeq ($(CPART),cortex-a76)
    MARCH := -march=armv8.2-a+crypto+fp16+rcpc+dotprod
#RPI4
else ifeq ($(CPART),cortex-a72)
    MARCH := -march=armv8-a+crc
endif

MTUNE := -mtune=$(CPART)


ifeq ($(bitd_s),64)
   TUNEOPTS :=
else ifeq ($(bitd_s),32)
   TUNEOPTS := -mfpu=neon-fp-armv8 -mfloat-abi=hard
endif

# $(info bitd_s=$(bitd_s))
# $(info rpi_m=$(rpi_m))
# $(info TUNEOPTS=$(TUNEOPTS))
# $(info MARCH=$(MARCH))
# $(info MTUNE=$(MTUNE))

OPTS = -DLINKALL -DRESAMPLE -DDSD
CFLAGS = -Wall -fPIC -O3 $(MARCH) $(MTUNE) $(TUNEOPTS) -pipe

include Makefile.sc-rpi-ux