Commit | Line | Data |
---|---|---|
84f887bf ME |
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. | |
26e6dd10 | 3 | ifneq ($(LLVM),) |
e9c28192 NC |
4 | ifneq ($(filter %/,$(LLVM)),) |
5 | LLVM_PREFIX := $(LLVM) | |
6 | else ifneq ($(filter -%,$(LLVM)),) | |
7 | LLVM_SUFFIX := $(LLVM) | |
8 | endif | |
9 | ||
795285ef MB |
10 | CLANG_TARGET_FLAGS_arm := arm-linux-gnueabi |
11 | CLANG_TARGET_FLAGS_arm64 := aarch64-linux-gnu | |
12 | CLANG_TARGET_FLAGS_hexagon := hexagon-linux-musl | |
624c60f3 | 13 | CLANG_TARGET_FLAGS_i386 := i386-linux-gnu |
795285ef MB |
14 | CLANG_TARGET_FLAGS_m68k := m68k-linux-gnu |
15 | CLANG_TARGET_FLAGS_mips := mipsel-linux-gnu | |
16 | CLANG_TARGET_FLAGS_powerpc := powerpc64le-linux-gnu | |
17 | CLANG_TARGET_FLAGS_riscv := riscv64-linux-gnu | |
18 | CLANG_TARGET_FLAGS_s390 := s390x-linux-gnu | |
19 | CLANG_TARGET_FLAGS_x86 := x86_64-linux-gnu | |
624c60f3 | 20 | CLANG_TARGET_FLAGS_x86_64 := x86_64-linux-gnu |
795285ef MB |
21 | CLANG_TARGET_FLAGS := $(CLANG_TARGET_FLAGS_$(ARCH)) |
22 | ||
23 | ifeq ($(CROSS_COMPILE),) | |
24 | ifeq ($(CLANG_TARGET_FLAGS),) | |
9fdaca2c | 25 | $(error Specify CROSS_COMPILE or add '--target=' option to lib.mk) |
795285ef MB |
26 | else |
27 | CLANG_FLAGS += --target=$(CLANG_TARGET_FLAGS) | |
28 | endif # CLANG_TARGET_FLAGS | |
29 | else | |
30 | CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%)) | |
31 | endif # CROSS_COMPILE | |
32 | ||
33 | CC := $(LLVM_PREFIX)clang$(LLVM_SUFFIX) $(CLANG_FLAGS) -fintegrated-as | |
26e6dd10 | 34 | else |
84f887bf | 35 | CC := $(CROSS_COMPILE)gcc |
795285ef | 36 | endif # LLVM |
84f887bf | 37 | |
e53aff45 | 38 | ifeq (0,$(MAKELEVEL)) |
27d79a2b SK |
39 | ifeq ($(OUTPUT),) |
40 | OUTPUT := $(shell pwd) | |
41 | DEFAULT_INSTALL_HDR_PATH := 1 | |
8ce72dc3 | 42 | endif |
e53aff45 | 43 | endif |
42d46e57 | 44 | selfdir = $(realpath $(dir $(filter %/lib.mk,$(MAKEFILE_LIST)))) |
bdbf0617 | 45 | top_srcdir = $(selfdir)/../../.. |
e53aff45 | 46 | |
9fc96c7c JH |
47 | ifeq ("$(origin O)", "command line") |
48 | KBUILD_OUTPUT := $(O) | |
a5254052 MS |
49 | endif |
50 | ||
9fc96c7c JH |
51 | ifneq ($(KBUILD_OUTPUT),) |
52 | # Make's built-in functions such as $(abspath ...), $(realpath ...) cannot | |
53 | # expand a shell special character '~'. We use a somewhat tedious way here. | |
54 | abs_objtree := $(shell cd $(top_srcdir) && mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) && pwd) | |
55 | $(if $(abs_objtree),, \ | |
56 | $(error failed to create output directory "$(KBUILD_OUTPUT)")) | |
57 | # $(realpath ...) resolves symlinks | |
58 | abs_objtree := $(realpath $(abs_objtree)) | |
59 | KHDR_DIR := ${abs_objtree}/usr/include | |
60 | else | |
61 | abs_srctree := $(shell cd $(top_srcdir) && pwd) | |
62 | KHDR_DIR := ${abs_srctree}/usr/include | |
63 | endif | |
64 | ||
65 | KHDR_INCLUDES := -isystem $(KHDR_DIR) | |
66 | ||
be16a244 SK |
67 | # The following are built by lib.mk common compile rules. |
68 | # TEST_CUSTOM_PROGS should be used by tests that require | |
69 | # custom build rule and prevent common build rule use. | |
70 | # TEST_PROGS are for test shell scripts. | |
71 | # TEST_CUSTOM_PROGS and TEST_PROGS will be run by common run_tests | |
72 | # and install targets. Common clean doesn't touch them. | |
d83c3ba0 | 73 | TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS)) |
8050ef2b | 74 | TEST_GEN_PROGS_EXTENDED := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS_EXTENDED)) |
d83c3ba0 ME |
75 | TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES)) |
76 | ||
9fc96c7c JH |
77 | all: kernel_header_files $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) \ |
78 | $(TEST_GEN_FILES) | |
79 | ||
80 | kernel_header_files: | |
81 | @ls $(KHDR_DIR)/linux/*.h >/dev/null 2>/dev/null; \ | |
82 | if [ $$? -ne 0 ]; then \ | |
83 | RED='\033[1;31m'; \ | |
84 | NOCOLOR='\033[0m'; \ | |
85 | echo; \ | |
86 | echo -e "$${RED}error$${NOCOLOR}: missing kernel header files."; \ | |
87 | echo "Please run this and try again:"; \ | |
88 | echo; \ | |
89 | echo " cd $(top_srcdir)"; \ | |
90 | echo " make headers"; \ | |
91 | echo; \ | |
92 | exit 1; \ | |
93 | fi | |
94 | ||
95 | .PHONY: kernel_header_files | |
b2d35fa5 | 96 | |
5e29a910 | 97 | define RUN_TESTS |
99aacebe | 98 | BASE_DIR="$(selfdir)"; \ |
5c069b6d | 99 | . $(selfdir)/kselftest/runner.sh; \ |
bf660782 KC |
100 | if [ "X$(summary)" != "X" ]; then \ |
101 | per_test_logging=1; \ | |
102 | fi; \ | |
103 | run_many $(1) | |
5e29a910 ME |
104 | endef |
105 | ||
106 | run_tests: all | |
051f278e | 107 | ifdef building_out_of_srctree |
c9f75047 | 108 | @if [ "X$(TEST_PROGS)$(TEST_PROGS_EXTENDED)$(TEST_FILES)" != "X" ]; then \ |
3f3f3841 | 109 | rsync -aq --copy-unsafe-links $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(OUTPUT); \ |
1a940687 | 110 | fi |
99aacebe | 111 | @if [ "X$(TEST_PROGS)" != "X" ]; then \ |
cb4969e6 IL |
112 | $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) \ |
113 | $(addprefix $(OUTPUT)/,$(TEST_PROGS))) ; \ | |
99aacebe YK |
114 | else \ |
115 | $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS)); \ | |
1a940687 SK |
116 | fi |
117 | else | |
99aacebe | 118 | @$(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS)) |
1a940687 | 119 | endif |
5e29a910 | 120 | |
c363eb48 JB |
121 | define INSTALL_SINGLE_RULE |
122 | $(if $(INSTALL_LIST),@mkdir -p $(INSTALL_PATH)) | |
3f3f3841 | 123 | $(if $(INSTALL_LIST),rsync -a --copy-unsafe-links $(INSTALL_LIST) $(INSTALL_PATH)/) |
c363eb48 JB |
124 | endef |
125 | ||
32dcfba6 | 126 | define INSTALL_RULE |
c363eb48 JB |
127 | $(eval INSTALL_LIST = $(TEST_PROGS)) $(INSTALL_SINGLE_RULE) |
128 | $(eval INSTALL_LIST = $(TEST_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE) | |
129 | $(eval INSTALL_LIST = $(TEST_FILES)) $(INSTALL_SINGLE_RULE) | |
130 | $(eval INSTALL_LIST = $(TEST_GEN_PROGS)) $(INSTALL_SINGLE_RULE) | |
131 | $(eval INSTALL_LIST = $(TEST_CUSTOM_PROGS)) $(INSTALL_SINGLE_RULE) | |
132 | $(eval INSTALL_LIST = $(TEST_GEN_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE) | |
133 | $(eval INSTALL_LIST = $(TEST_GEN_FILES)) $(INSTALL_SINGLE_RULE) | |
de53fa9b | 134 | $(eval INSTALL_LIST = $(wildcard config settings)) $(INSTALL_SINGLE_RULE) |
32dcfba6 ME |
135 | endef |
136 | ||
137 | install: all | |
138 | ifdef INSTALL_PATH | |
139 | $(INSTALL_RULE) | |
140 | else | |
141 | $(error Error: set INSTALL_PATH to use install) | |
142 | endif | |
143 | ||
d4e59a53 | 144 | emit_tests: |
3df6131f | 145 | for TEST in $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS); do \ |
a8ba798b | 146 | BASENAME_TEST=`basename $$TEST`; \ |
f0f0a5df KC |
147 | echo "$(COLLECTION):$$BASENAME_TEST"; \ |
148 | done | |
32dcfba6 | 149 | |
8050ef2b SK |
150 | # define if isn't already. It is undefined in make O= case. |
151 | ifeq ($(RM),) | |
152 | RM := rm -f | |
153 | endif | |
154 | ||
df6438f9 | 155 | define CLEAN |
80d443e8 | 156 | $(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN) |
df6438f9 SK |
157 | endef |
158 | ||
159 | clean: | |
160 | $(CLEAN) | |
88baa78d | 161 | |
de3ee3f6 MS |
162 | # Enables to extend CFLAGS and LDFLAGS from command line, e.g. |
163 | # make USERCFLAGS=-Werror USERLDFLAGS=-static | |
164 | CFLAGS += $(USERCFLAGS) | |
165 | LDFLAGS += $(USERLDFLAGS) | |
166 | ||
8050ef2b SK |
167 | # When make O= with kselftest target from main level |
168 | # the following aren't defined. | |
169 | # | |
051f278e | 170 | ifdef building_out_of_srctree |
8050ef2b SK |
171 | LINK.c = $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH) |
172 | COMPILE.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c | |
173 | LINK.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH) | |
174 | endif | |
175 | ||
4e49ed2f MD |
176 | # Selftest makefiles can override those targets by setting |
177 | # OVERRIDE_TARGETS = 1. | |
178 | ifeq ($(OVERRIDE_TARGETS),) | |
a738a4ce | 179 | LOCAL_HDRS += $(selfdir)/kselftest_harness.h $(selfdir)/kselftest.h |
1056d3d2 | 180 | $(OUTPUT)/%:%.c $(LOCAL_HDRS) |
f825d3f7 | 181 | $(LINK.c) $(filter-out $(LOCAL_HDRS),$^) $(LDLIBS) -o $@ |
a8ba798b | 182 | |
183 | $(OUTPUT)/%.o:%.S | |
634ce97c | 184 | $(COMPILE.S) $^ -o $@ |
a8ba798b | 185 | |
186 | $(OUTPUT)/%:%.S | |
634ce97c | 187 | $(LINK.S) $^ $(LDLIBS) -o $@ |
4e49ed2f | 188 | endif |
7d758af2 | 189 | |
32dcfba6 | 190 | .PHONY: run_tests all clean install emit_tests |