1 # This mimics the top-level Makefile. We do it explicitly here so that this
2 # Makefile can operate with or without the kbuild infrastructure.
6 CC := $(CROSS_COMPILE)gcc
11 OUTPUT := $(shell pwd)
12 DEFAULT_INSTALL_HDR_PATH := 1
15 selfdir = $(realpath $(dir $(filter %/lib.mk,$(MAKEFILE_LIST))))
17 # The following are built by lib.mk common compile rules.
18 # TEST_CUSTOM_PROGS should be used by tests that require
19 # custom build rule and prevent common build rule use.
20 # TEST_PROGS are for test shell scripts.
21 # TEST_CUSTOM_PROGS and TEST_PROGS will be run by common run_tests
22 # and install targets. Common clean doesn't touch them.
23 TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS))
24 TEST_GEN_PROGS_EXTENDED := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS_EXTENDED))
25 TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES))
27 ifdef KSFT_KHDR_INSTALL
28 top_srcdir ?= ../../../..
29 include $(top_srcdir)/scripts/subarch.include
32 # set default goal to all, so make without a target runs all, even when
33 # all isn't the first target in the file.
36 # Invoke headers install with --no-builtin-rules to avoid circular
37 # dependency in "make kselftest" case. In this case, second level
38 # make inherits builtin-rules which will use the rule generate
39 # Makefile.o and runs into
40 # "Circular Makefile.o <- prepare dependency dropped."
41 # and headers_install fails and test compile fails.
42 # O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
43 # invokes them as sub-makes and --no-builtin-rules is not necessary,
44 # but doesn't cause any failures. Keep it simple and use the same
45 # flags in both cases.
46 # Note that the support to install headers from lib.mk is necessary
47 # when test Makefile is run directly with "make -C".
48 # When local build is done, headers are installed in the default
49 # INSTALL_HDR_PATH usr/include.
53 ifndef KSFT_KHDR_INSTALL_DONE
54 ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
55 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
57 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$OUTPUT/usr \
58 ARCH=$(ARCH) -C $(top_srcdir) headers_install
62 all: khdr $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
64 all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
68 BASE_DIR="$(selfdir)"; \
69 . $(selfdir)/kselftest/runner.sh; \
70 if [ "X$(summary)" != "X" ]; then \
77 ifdef building_out_of_srctree
78 @if [ "X$(TEST_PROGS)$(TEST_PROGS_EXTENDED)$(TEST_FILES)" != "X" ]; then \
79 rsync -aq $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(OUTPUT); \
81 @if [ "X$(TEST_PROGS)" != "X" ]; then \
82 $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) \
83 $(addprefix $(OUTPUT)/,$(TEST_PROGS))) ; \
85 $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS)); \
88 @$(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS))
91 define INSTALL_SINGLE_RULE
92 $(if $(INSTALL_LIST),@mkdir -p $(INSTALL_PATH))
93 $(if $(INSTALL_LIST),rsync -a $(INSTALL_LIST) $(INSTALL_PATH)/)
97 $(eval INSTALL_LIST = $(TEST_PROGS)) $(INSTALL_SINGLE_RULE)
98 $(eval INSTALL_LIST = $(TEST_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE)
99 $(eval INSTALL_LIST = $(TEST_FILES)) $(INSTALL_SINGLE_RULE)
100 $(eval INSTALL_LIST = $(TEST_GEN_PROGS)) $(INSTALL_SINGLE_RULE)
101 $(eval INSTALL_LIST = $(TEST_CUSTOM_PROGS)) $(INSTALL_SINGLE_RULE)
102 $(eval INSTALL_LIST = $(TEST_GEN_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE)
103 $(eval INSTALL_LIST = $(TEST_GEN_FILES)) $(INSTALL_SINGLE_RULE)
104 $(eval INSTALL_LIST = $(wildcard config settings)) $(INSTALL_SINGLE_RULE)
111 $(error Error: set INSTALL_PATH to use install)
115 for TEST in $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS); do \
116 BASENAME_TEST=`basename $$TEST`; \
117 echo "$(COLLECTION):$$BASENAME_TEST"; \
120 # define if isn't already. It is undefined in make O= case.
126 $(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN)
132 # Enables to extend CFLAGS and LDFLAGS from command line, e.g.
133 # make USERCFLAGS=-Werror USERLDFLAGS=-static
134 CFLAGS += $(USERCFLAGS)
135 LDFLAGS += $(USERLDFLAGS)
137 # When make O= with kselftest target from main level
138 # the following aren't defined.
140 ifdef building_out_of_srctree
141 LINK.c = $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
142 COMPILE.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c
143 LINK.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
146 # Selftest makefiles can override those targets by setting
147 # OVERRIDE_TARGETS = 1.
148 ifeq ($(OVERRIDE_TARGETS),)
149 LOCAL_HDRS := $(selfdir)/kselftest_harness.h $(selfdir)/kselftest.h
150 $(OUTPUT)/%:%.c $(LOCAL_HDRS)
151 $(LINK.c) $(filter-out $(LOCAL_HDRS),$^) $(LDLIBS) -o $@
154 $(COMPILE.S) $^ -o $@
157 $(LINK.S) $^ $(LDLIBS) -o $@
160 .PHONY: run_tests all clean install emit_tests