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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),)
4ifneq ($(filter %/,$(LLVM)),)
5LLVM_PREFIX := $(LLVM)
6else ifneq ($(filter -%,$(LLVM)),)
7LLVM_SUFFIX := $(LLVM)
8endif
9
10CLANG_TARGET_FLAGS_arm := arm-linux-gnueabi
11CLANG_TARGET_FLAGS_arm64 := aarch64-linux-gnu
12CLANG_TARGET_FLAGS_hexagon := hexagon-linux-musl
13CLANG_TARGET_FLAGS_m68k := m68k-linux-gnu
14CLANG_TARGET_FLAGS_mips := mipsel-linux-gnu
15CLANG_TARGET_FLAGS_powerpc := powerpc64le-linux-gnu
16CLANG_TARGET_FLAGS_riscv := riscv64-linux-gnu
17CLANG_TARGET_FLAGS_s390 := s390x-linux-gnu
18CLANG_TARGET_FLAGS_x86 := x86_64-linux-gnu
19CLANG_TARGET_FLAGS := $(CLANG_TARGET_FLAGS_$(ARCH))
20
21ifeq ($(CROSS_COMPILE),)
22ifeq ($(CLANG_TARGET_FLAGS),)
23$(error Specify CROSS_COMPILE or add '--target=' option to lib.mk)
24else
25CLANG_FLAGS += --target=$(CLANG_TARGET_FLAGS)
26endif # CLANG_TARGET_FLAGS
27else
28CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%))
29endif # CROSS_COMPILE
30
31CC := $(LLVM_PREFIX)clang$(LLVM_SUFFIX) $(CLANG_FLAGS) -fintegrated-as
32else
33CC := $(CROSS_COMPILE)gcc
34endif # LLVM
35
36ifeq (0,$(MAKELEVEL))
37 ifeq ($(OUTPUT),)
38 OUTPUT := $(shell pwd)
39 DEFAULT_INSTALL_HDR_PATH := 1
40 endif
41endif
42selfdir = $(realpath $(dir $(filter %/lib.mk,$(MAKEFILE_LIST))))
43top_srcdir = $(selfdir)/../../..
44
45ifeq ($(KHDR_INCLUDES),)
46KHDR_INCLUDES := -isystem $(top_srcdir)/usr/include
47endif
48
49# The following are built by lib.mk common compile rules.
50# TEST_CUSTOM_PROGS should be used by tests that require
51# custom build rule and prevent common build rule use.
52# TEST_PROGS are for test shell scripts.
53# TEST_CUSTOM_PROGS and TEST_PROGS will be run by common run_tests
54# and install targets. Common clean doesn't touch them.
55TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS))
56TEST_GEN_PROGS_EXTENDED := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS_EXTENDED))
57TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES))
58
59all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
60
61define RUN_TESTS
62 BASE_DIR="$(selfdir)"; \
63 . $(selfdir)/kselftest/runner.sh; \
64 if [ "X$(summary)" != "X" ]; then \
65 per_test_logging=1; \
66 fi; \
67 run_many $(1)
68endef
69
70run_tests: all
71ifdef building_out_of_srctree
72 @if [ "X$(TEST_PROGS)$(TEST_PROGS_EXTENDED)$(TEST_FILES)" != "X" ]; then \
73 rsync -aLq $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(OUTPUT); \
74 fi
75 @if [ "X$(TEST_PROGS)" != "X" ]; then \
76 $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) \
77 $(addprefix $(OUTPUT)/,$(TEST_PROGS))) ; \
78 else \
79 $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS)); \
80 fi
81else
82 @$(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS))
83endif
84
85define INSTALL_SINGLE_RULE
86 $(if $(INSTALL_LIST),@mkdir -p $(INSTALL_PATH))
87 $(if $(INSTALL_LIST),rsync -aL $(INSTALL_LIST) $(INSTALL_PATH)/)
88endef
89
90define INSTALL_RULE
91 $(eval INSTALL_LIST = $(TEST_PROGS)) $(INSTALL_SINGLE_RULE)
92 $(eval INSTALL_LIST = $(TEST_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE)
93 $(eval INSTALL_LIST = $(TEST_FILES)) $(INSTALL_SINGLE_RULE)
94 $(eval INSTALL_LIST = $(TEST_GEN_PROGS)) $(INSTALL_SINGLE_RULE)
95 $(eval INSTALL_LIST = $(TEST_CUSTOM_PROGS)) $(INSTALL_SINGLE_RULE)
96 $(eval INSTALL_LIST = $(TEST_GEN_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE)
97 $(eval INSTALL_LIST = $(TEST_GEN_FILES)) $(INSTALL_SINGLE_RULE)
98 $(eval INSTALL_LIST = $(wildcard config settings)) $(INSTALL_SINGLE_RULE)
99endef
100
101install: all
102ifdef INSTALL_PATH
103 $(INSTALL_RULE)
104else
105 $(error Error: set INSTALL_PATH to use install)
106endif
107
108emit_tests:
109 for TEST in $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS); do \
110 BASENAME_TEST=`basename $$TEST`; \
111 echo "$(COLLECTION):$$BASENAME_TEST"; \
112 done
113
114# define if isn't already. It is undefined in make O= case.
115ifeq ($(RM),)
116RM := rm -f
117endif
118
119define CLEAN
120 $(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN)
121endef
122
123clean:
124 $(CLEAN)
125
126# Enables to extend CFLAGS and LDFLAGS from command line, e.g.
127# make USERCFLAGS=-Werror USERLDFLAGS=-static
128CFLAGS += $(USERCFLAGS)
129LDFLAGS += $(USERLDFLAGS)
130
131# When make O= with kselftest target from main level
132# the following aren't defined.
133#
134ifdef building_out_of_srctree
135LINK.c = $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
136COMPILE.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c
137LINK.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
138endif
139
140# Selftest makefiles can override those targets by setting
141# OVERRIDE_TARGETS = 1.
142ifeq ($(OVERRIDE_TARGETS),)
143LOCAL_HDRS += $(selfdir)/kselftest_harness.h $(selfdir)/kselftest.h
144$(OUTPUT)/%:%.c $(LOCAL_HDRS)
145 $(LINK.c) $(filter-out $(LOCAL_HDRS),$^) $(LDLIBS) -o $@
146
147$(OUTPUT)/%.o:%.S
148 $(COMPILE.S) $^ -o $@
149
150$(OUTPUT)/%:%.S
151 $(LINK.S) $^ $(LDLIBS) -o $@
152endif
153
154.PHONY: run_tests all clean install emit_tests