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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.
3CC := $(CROSS_COMPILE)gcc
4
5define RUN_TESTS
6 @for TEST in $(TEST_PROGS); do \
7 (./$$TEST && echo "selftests: $$TEST [PASS]") || echo "selftests: $$TEST [FAIL]"; \
8 done;
9endef
10
11run_tests: all
12 $(RUN_TESTS)
13
14define INSTALL_RULE
15 @if [ "X$(TEST_PROGS)$(TEST_PROGS_EXTENDED)$(TEST_FILES)" != "X" ]; then \
16 mkdir -p ${INSTALL_PATH}; \
17 echo "rsync -a $(TEST_DIRS) $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(INSTALL_PATH)/"; \
18 rsync -a $(TEST_DIRS) $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(INSTALL_PATH)/; \
19 fi
20endef
21
22install: all
23ifdef INSTALL_PATH
24 $(INSTALL_RULE)
25else
26 $(error Error: set INSTALL_PATH to use install)
27endif
28
29define EMIT_TESTS
30 @for TEST in $(TEST_PROGS); do \
31 echo "(./$$TEST && echo \"selftests: $$TEST [PASS]\") || echo \"selftests: $$TEST [FAIL]\""; \
32 done;
33endef
34
35emit_tests:
36 $(EMIT_TESTS)
37
38.PHONY: run_tests all clean install emit_tests
1# This mimics the top-level Makefile. We do it explicitly here so that this
2# Makefile can operate with or without the kbuild infrastructure.
3ifneq ($(LLVM),)
4CC := clang
5else
6CC := $(CROSS_COMPILE)gcc
7endif
8
9ifeq (0,$(MAKELEVEL))
10 ifeq ($(OUTPUT),)
11 OUTPUT := $(shell pwd)
12 DEFAULT_INSTALL_HDR_PATH := 1
13 endif
14endif
15selfdir = $(realpath $(dir $(filter %/lib.mk,$(MAKEFILE_LIST))))
16
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.
23TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS))
24TEST_GEN_PROGS_EXTENDED := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS_EXTENDED))
25TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES))
26
27ifdef KSFT_KHDR_INSTALL
28top_srcdir ?= ../../../..
29include $(top_srcdir)/scripts/subarch.include
30ARCH ?= $(SUBARCH)
31
32# set default goal to all, so make without a target runs all, even when
33# all isn't the first target in the file.
34.DEFAULT_GOAL := all
35
36# Invoke headers install with --no-builtin-rules to avoid circular
37# dependency in "make kselftest" case. In this case, second level
38# make inherits builtin-rules which will use the rule generate
39# Makefile.o and runs into
40# "Circular Makefile.o <- prepare dependency dropped."
41# and headers_install fails and test compile fails.
42# O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
43# invokes them as sub-makes and --no-builtin-rules is not necessary,
44# but doesn't cause any failures. Keep it simple and use the same
45# flags in both cases.
46# Note that the support to install headers from lib.mk is necessary
47# when test Makefile is run directly with "make -C".
48# When local build is done, headers are installed in the default
49# INSTALL_HDR_PATH usr/include.
50.PHONY: khdr
51.NOTPARALLEL:
52khdr:
53ifndef KSFT_KHDR_INSTALL_DONE
54ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
55 $(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
56else
57 $(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$OUTPUT/usr \
58 ARCH=$(ARCH) -C $(top_srcdir) headers_install
59endif
60endif
61
62all: khdr $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
63else
64all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
65endif
66
67define RUN_TESTS
68 BASE_DIR="$(selfdir)"; \
69 . $(selfdir)/kselftest/runner.sh; \
70 if [ "X$(summary)" != "X" ]; then \
71 per_test_logging=1; \
72 fi; \
73 run_many $(1)
74endef
75
76run_tests: all
77ifdef building_out_of_srctree
78 @if [ "X$(TEST_PROGS)$(TEST_PROGS_EXTENDED)$(TEST_FILES)" != "X" ]; then \
79 rsync -aq $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(OUTPUT); \
80 fi
81 @if [ "X$(TEST_PROGS)" != "X" ]; then \
82 $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) \
83 $(addprefix $(OUTPUT)/,$(TEST_PROGS))) ; \
84 else \
85 $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS)); \
86 fi
87else
88 @$(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS))
89endif
90
91define INSTALL_SINGLE_RULE
92 $(if $(INSTALL_LIST),@mkdir -p $(INSTALL_PATH))
93 $(if $(INSTALL_LIST),rsync -a $(INSTALL_LIST) $(INSTALL_PATH)/)
94endef
95
96define INSTALL_RULE
97 $(eval INSTALL_LIST = $(TEST_PROGS)) $(INSTALL_SINGLE_RULE)
98 $(eval INSTALL_LIST = $(TEST_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE)
99 $(eval INSTALL_LIST = $(TEST_FILES)) $(INSTALL_SINGLE_RULE)
100 $(eval INSTALL_LIST = $(TEST_GEN_PROGS)) $(INSTALL_SINGLE_RULE)
101 $(eval INSTALL_LIST = $(TEST_CUSTOM_PROGS)) $(INSTALL_SINGLE_RULE)
102 $(eval INSTALL_LIST = $(TEST_GEN_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE)
103 $(eval INSTALL_LIST = $(TEST_GEN_FILES)) $(INSTALL_SINGLE_RULE)
104 $(eval INSTALL_LIST = $(wildcard config settings)) $(INSTALL_SINGLE_RULE)
105endef
106
107install: all
108ifdef INSTALL_PATH
109 $(INSTALL_RULE)
110else
111 $(error Error: set INSTALL_PATH to use install)
112endif
113
114emit_tests:
115 for TEST in $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS); do \
116 BASENAME_TEST=`basename $$TEST`; \
117 echo "$(COLLECTION):$$BASENAME_TEST"; \
118 done
119
120# define if isn't already. It is undefined in make O= case.
121ifeq ($(RM),)
122RM := rm -f
123endif
124
125define CLEAN
126 $(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN)
127endef
128
129clean:
130 $(CLEAN)
131
132# When make O= with kselftest target from main level
133# the following aren't defined.
134#
135ifdef building_out_of_srctree
136LINK.c = $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
137COMPILE.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c
138LINK.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
139endif
140
141# Selftest makefiles can override those targets by setting
142# OVERRIDE_TARGETS = 1.
143ifeq ($(OVERRIDE_TARGETS),)
144LOCAL_HDRS := $(selfdir)/kselftest_harness.h $(selfdir)/kselftest.h
145$(OUTPUT)/%:%.c $(LOCAL_HDRS)
146 $(LINK.c) $(filter-out $(LOCAL_HDRS),$^) $(LDLIBS) -o $@
147
148$(OUTPUT)/%.o:%.S
149 $(COMPILE.S) $^ -o $@
150
151$(OUTPUT)/%:%.S
152 $(LINK.S) $^ $(LDLIBS) -o $@
153endif
154
155.PHONY: run_tests all clean install emit_tests