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.
3 CC := $(CROSS_COMPILE)gcc
8 DEFAULT_INSTALL_HDR_PATH := 1
11 selfdir = $(realpath $(dir $(filter %/lib.mk,$(MAKEFILE_LIST))))
13 # The following are built by lib.mk common compile rules.
14 # TEST_CUSTOM_PROGS should be used by tests that require
15 # custom build rule and prevent common build rule use.
16 # TEST_PROGS are for test shell scripts.
17 # TEST_CUSTOM_PROGS and TEST_PROGS will be run by common run_tests
18 # and install targets. Common clean doesn't touch them.
19 TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS))
20 TEST_GEN_PROGS_EXTENDED := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS_EXTENDED))
21 TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES))
23 ifdef KSFT_KHDR_INSTALL
24 top_srcdir ?= ../../../..
25 include $(top_srcdir)/scripts/subarch.include
28 # set default goal to all, so make without a target runs all, even when
29 # all isn't the first target in the file.
32 # Invoke headers install with --no-builtin-rules to avoid circular
33 # dependency in "make kselftest" case. In this case, second level
34 # make inherits builtin-rules which will use the rule generate
35 # Makefile.o and runs into
36 # "Circular Makefile.o <- prepare dependency dropped."
37 # and headers_install fails and test compile fails.
38 # O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
39 # invokes them as sub-makes and --no-builtin-rules is not necessary,
40 # but doesn't cause any failures. Keep it simple and use the same
41 # flags in both cases.
42 # Note that the support to install headers from lib.mk is necessary
43 # when test Makefile is run directly with "make -C".
44 # When local build is done, headers are installed in the default
45 # INSTALL_HDR_PATH usr/include.
48 ifndef KSFT_KHDR_INSTALL_DONE
49 ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
50 make --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
52 make --no-builtin-rules INSTALL_HDR_PATH=$$OUTPUT/usr \
53 ARCH=$(ARCH) -C $(top_srcdir) headers_install
57 all: khdr $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
59 all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
64 @BASE_DIR="$(selfdir)"; \
65 . $(selfdir)/kselftest/runner.sh; \
66 if [ "X$(summary)" != "X" ]; then \
73 ifdef building_out_of_srctree
74 @if [ "X$(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES)" != "X" ]; then
75 @rsync -aq $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(OUTPUT)
77 @if [ "X$(TEST_PROGS)" != "X" ]; then
78 $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(OUTPUT)/$(TEST_PROGS))
80 $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS))
83 $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS))
86 define INSTALL_SINGLE_RULE
87 $(if $(INSTALL_LIST),@mkdir -p $(INSTALL_PATH))
88 $(if $(INSTALL_LIST),@echo rsync -a $(INSTALL_LIST) $(INSTALL_PATH)/)
89 $(if $(INSTALL_LIST),@rsync -a $(INSTALL_LIST) $(INSTALL_PATH)/)
93 $(eval INSTALL_LIST = $(TEST_PROGS)) $(INSTALL_SINGLE_RULE)
94 $(eval INSTALL_LIST = $(TEST_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE)
95 $(eval INSTALL_LIST = $(TEST_FILES)) $(INSTALL_SINGLE_RULE)
96 $(eval INSTALL_LIST = $(TEST_GEN_PROGS)) $(INSTALL_SINGLE_RULE)
97 $(eval INSTALL_LIST = $(TEST_CUSTOM_PROGS)) $(INSTALL_SINGLE_RULE)
98 $(eval INSTALL_LIST = $(TEST_GEN_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE)
99 $(eval INSTALL_LIST = $(TEST_GEN_FILES)) $(INSTALL_SINGLE_RULE)
106 $(error Error: set INSTALL_PATH to use install)
110 for TEST in $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS); do \
111 BASENAME_TEST=`basename $$TEST`; \
113 echo -n " \"$$BASENAME_TEST\""; \
116 # define if isn't already. It is undefined in make O= case.
122 $(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN)
128 # When make O= with kselftest target from main level
129 # the following aren't defined.
131 ifdef building_out_of_srctree
132 LINK.c = $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
133 COMPILE.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c
134 LINK.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
137 # Selftest makefiles can override those targets by setting
138 # OVERRIDE_TARGETS = 1.
139 ifeq ($(OVERRIDE_TARGETS),)
141 $(LINK.c) $^ $(LDLIBS) -o $@
144 $(COMPILE.S) $^ -o $@
147 $(LINK.S) $^ $(LDLIBS) -o $@
150 .PHONY: run_tests all clean install emit_tests