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051f278e9d
Commit 25b146c5b8 ("kbuild: allow Kbuild to start from any directory")
deprecated KBUILD_SRCTREE.
It is only used in tools/testing/selftest/ to distinguish out-of-tree
build. Replace it with a new boolean flag, building_out_of_srctree.
I also replaced the conditional ($(srctree),.) because the next commit
will allow an absolute path to be used for $(srctree) even when building
in the source tree.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
148 lines
4.8 KiB
Makefile
148 lines
4.8 KiB
Makefile
# This mimics the top-level Makefile. We do it explicitly here so that this
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# Makefile can operate with or without the kbuild infrastructure.
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CC := $(CROSS_COMPILE)gcc
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ifeq (0,$(MAKELEVEL))
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ifeq ($(OUTPUT),)
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OUTPUT := $(shell pwd)
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DEFAULT_INSTALL_HDR_PATH := 1
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endif
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endif
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selfdir = $(realpath $(dir $(filter %/lib.mk,$(MAKEFILE_LIST))))
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# The following are built by lib.mk common compile rules.
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# TEST_CUSTOM_PROGS should be used by tests that require
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# custom build rule and prevent common build rule use.
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# TEST_PROGS are for test shell scripts.
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# TEST_CUSTOM_PROGS and TEST_PROGS will be run by common run_tests
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# and install targets. Common clean doesn't touch them.
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TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS))
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TEST_GEN_PROGS_EXTENDED := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS_EXTENDED))
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TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES))
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ifdef KSFT_KHDR_INSTALL
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top_srcdir ?= ../../../..
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include $(top_srcdir)/scripts/subarch.include
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ARCH ?= $(SUBARCH)
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# set default goal to all, so make without a target runs all, even when
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# all isn't the first target in the file.
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.DEFAULT_GOAL := all
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# Invoke headers install with --no-builtin-rules to avoid circular
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# dependency in "make kselftest" case. In this case, second level
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# make inherits builtin-rules which will use the rule generate
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# Makefile.o and runs into
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# "Circular Makefile.o <- prepare dependency dropped."
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# and headers_install fails and test compile fails.
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# O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
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# invokes them as sub-makes and --no-builtin-rules is not necessary,
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# but doesn't cause any failures. Keep it simple and use the same
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# flags in both cases.
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# Note that the support to install headers from lib.mk is necessary
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# when test Makefile is run directly with "make -C".
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# When local build is done, headers are installed in the default
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# INSTALL_HDR_PATH usr/include.
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.PHONY: khdr
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khdr:
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ifndef KSFT_KHDR_INSTALL_DONE
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ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
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make --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
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else
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make --no-builtin-rules INSTALL_HDR_PATH=$$OUTPUT/usr \
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ARCH=$(ARCH) -C $(top_srcdir) headers_install
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endif
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endif
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all: khdr $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
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else
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all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
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endif
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.ONESHELL:
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define RUN_TESTS
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@BASE_DIR="$(selfdir)"; \
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. $(selfdir)/kselftest/runner.sh; \
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if [ "X$(summary)" != "X" ]; then \
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per_test_logging=1; \
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fi; \
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run_many $(1)
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endef
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run_tests: all
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ifdef building_out_of_srctree
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@if [ "X$(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES)" != "X" ]; then
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@rsync -aq $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(OUTPUT)
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fi
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@if [ "X$(TEST_PROGS)" != "X" ]; then
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$(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(OUTPUT)/$(TEST_PROGS))
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else
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$(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS))
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fi
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else
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$(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS))
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endif
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define INSTALL_RULE
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@if [ "X$(TEST_PROGS)$(TEST_PROGS_EXTENDED)$(TEST_FILES)" != "X" ]; then \
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mkdir -p ${INSTALL_PATH}; \
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echo "rsync -a $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(INSTALL_PATH)/"; \
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rsync -a $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(INSTALL_PATH)/; \
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fi
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@if [ "X$(TEST_GEN_PROGS)$(TEST_CUSTOM_PROGS)$(TEST_GEN_PROGS_EXTENDED)$(TEST_GEN_FILES)" != "X" ]; then \
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mkdir -p ${INSTALL_PATH}; \
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echo "rsync -a $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(INSTALL_PATH)/"; \
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rsync -a $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(INSTALL_PATH)/; \
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fi
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endef
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install: all
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ifdef INSTALL_PATH
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$(INSTALL_RULE)
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else
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$(error Error: set INSTALL_PATH to use install)
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endif
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emit_tests:
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for TEST in $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS); do \
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BASENAME_TEST=`basename $$TEST`; \
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echo " \\"; \
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echo -n " \"$$BASENAME_TEST\""; \
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done; \
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# define if isn't already. It is undefined in make O= case.
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ifeq ($(RM),)
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RM := rm -f
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endif
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define CLEAN
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$(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN)
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endef
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clean:
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$(CLEAN)
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# When make O= with kselftest target from main level
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# the following aren't defined.
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#
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ifdef building_out_of_srctree
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LINK.c = $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
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COMPILE.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c
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LINK.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
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endif
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# Selftest makefiles can override those targets by setting
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# OVERRIDE_TARGETS = 1.
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ifeq ($(OVERRIDE_TARGETS),)
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$(OUTPUT)/%:%.c
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$(LINK.c) $^ $(LDLIBS) -o $@
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$(OUTPUT)/%.o:%.S
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$(COMPILE.S) $^ -o $@
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$(OUTPUT)/%:%.S
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$(LINK.S) $^ $(LDLIBS) -o $@
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endif
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.PHONY: run_tests all clean install emit_tests
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