1# SPDX-License-Identifier: GPL-2.0 2 3# When ARCH not overridden for crosscompiling, lookup machine 4ARCH ?= $(shell uname -m 2>/dev/null || echo not) 5 6ifneq (,$(filter $(ARCH),aarch64 arm64)) 7ARM64_SUBTARGETS ?= tags signal pauth fp mte bti abi gcs 8else 9ARM64_SUBTARGETS := 10endif 11 12CFLAGS := -Wall -O2 -g 13 14# A proper top_srcdir is needed by KSFT(lib.mk) 15top_srcdir = $(realpath ../../../../) 16 17# Additional include paths needed by kselftest.h and local headers 18CFLAGS += -I$(top_srcdir)/tools/testing/selftests/ 19 20CFLAGS += $(KHDR_INCLUDES) 21 22CFLAGS += -I$(top_srcdir)/tools/include 23 24OUTPUT ?= $(CURDIR) 25 26export CFLAGS 27export top_srcdir 28 29all: 30 @for DIR in $(ARM64_SUBTARGETS); do \ 31 BUILD_TARGET=$(OUTPUT)/$$DIR; \ 32 mkdir -p $$BUILD_TARGET; \ 33 make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ 34 done 35 36install: all 37 @for DIR in $(ARM64_SUBTARGETS); do \ 38 BUILD_TARGET=$(OUTPUT)/$$DIR; \ 39 make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ 40 done 41 42run_tests: all 43 @for DIR in $(ARM64_SUBTARGETS); do \ 44 BUILD_TARGET=$(OUTPUT)/$$DIR; \ 45 make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ 46 done 47 48# Avoid any output on non arm64 on emit_tests 49emit_tests: 50 @for DIR in $(ARM64_SUBTARGETS); do \ 51 BUILD_TARGET=$(OUTPUT)/$$DIR; \ 52 make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ 53 done 54 55clean: 56 @for DIR in $(ARM64_SUBTARGETS); do \ 57 BUILD_TARGET=$(OUTPUT)/$$DIR; \ 58 make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ 59 done 60 61.PHONY: all clean install run_tests emit_tests 62