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67 lines
1.6 KiB
67 lines
1.6 KiB
4 months ago
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# SPDX-License-Identifier: GPL-2.0
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# When ARCH not overridden for crosscompiling, lookup machine
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ARCH ?= $(shell uname -m 2>/dev/null || echo not)
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ifneq (,$(filter $(ARCH),aarch64 arm64))
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ARM64_SUBTARGETS ?= tags signal
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else
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ARM64_SUBTARGETS :=
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endif
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CFLAGS := -Wall -O2 -g
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# A proper top_srcdir is needed by KSFT(lib.mk)
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top_srcdir = $(realpath ../../../../)
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# Additional include paths needed by kselftest.h and local headers
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CFLAGS += -I$(top_srcdir)/tools/testing/selftests/
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# Guessing where the Kernel headers could have been installed
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# depending on ENV config
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ifeq ($(KBUILD_OUTPUT),)
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khdr_dir = $(top_srcdir)/usr/include
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else
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# the KSFT preferred location when KBUILD_OUTPUT is set
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khdr_dir = $(KBUILD_OUTPUT)/kselftest/usr/include
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endif
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CFLAGS += -I$(khdr_dir)
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export CFLAGS
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export top_srcdir
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all:
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@for DIR in $(ARM64_SUBTARGETS); do \
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BUILD_TARGET=$(OUTPUT)/$$DIR; \
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mkdir -p $$BUILD_TARGET; \
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make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \
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done
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install: all
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@for DIR in $(ARM64_SUBTARGETS); do \
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BUILD_TARGET=$(OUTPUT)/$$DIR; \
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make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \
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done
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run_tests: all
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@for DIR in $(ARM64_SUBTARGETS); do \
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BUILD_TARGET=$(OUTPUT)/$$DIR; \
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make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \
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done
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# Avoid any output on non arm64 on emit_tests
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emit_tests: all
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@for DIR in $(ARM64_SUBTARGETS); do \
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BUILD_TARGET=$(OUTPUT)/$$DIR; \
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make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \
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done
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clean:
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@for DIR in $(ARM64_SUBTARGETS); do \
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BUILD_TARGET=$(OUTPUT)/$$DIR; \
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make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \
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done
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.PHONY: all clean install run_tests emit_tests
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