tools/testing/selftests/lib.mk

   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 := $(CROSS_COMPILE)gcc
   4
   5 ifeq (0,$(MAKELEVEL))
   6     ifneq ($(O),)
   7         OUTPUT := $(O)
   8     else
   9         ifneq ($(KBUILD_OUTPUT),)
  10                 OUTPUT := $(KBUILD_OUTPUT)
  11         else
  12                 OUTPUT := $(shell pwd)
  13                 DEFAULT_INSTALL_HDR_PATH := 1
  14         endif
  15     endif
  16 endif
  17
  18 # The following are built by lib.mk common compile rules.
  19 # TEST_CUSTOM_PROGS should be used by tests that require
  20 # custom build rule and prevent common build rule use.
  21 # TEST_PROGS are for test shell scripts.
  22 # TEST_CUSTOM_PROGS and TEST_PROGS will be run by common run_tests
  23 # and install targets. Common clean doesn't touch them.
  24 TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS))
  25 TEST_GEN_PROGS_EXTENDED := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS_EXTENDED))
  26 TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES))
  27
  28 ifdef KSFT_KHDR_INSTALL
  29 top_srcdir ?= ../../../..
  30 include $(top_srcdir)/scripts/subarch.include
  31 ARCH            ?= $(SUBARCH)
  32
  33 # set default goal to all, so make without a target runs all, even when
  34 # all isn't the first target in the file.
  35 .DEFAULT_GOAL := all
  36
  37 # Invoke headers install with --no-builtin-rules to avoid circular
  38 # dependency in "make kselftest" case. In this case, second level
  39 # make inherits builtin-rules which will use the rule generate
  40 # Makefile.o and runs into
  41 # "Circular Makefile.o <- prepare dependency dropped."
  42 # and headers_install fails and test compile fails.
  43 # O= KBUILD_OUTPUT cases don't run into this error, since main Makefile
  44 # invokes them as sub-makes and --no-builtin-rules is not necessary,
  45 # but doesn't cause any failures. Keep it simple and use the same
  46 # flags in both cases.
  47 # Note that the support to install headers from lib.mk is necessary
  48 # when test Makefile is run directly with "make -C".
  49 # When local build is done, headers are installed in the default
  50 # INSTALL_HDR_PATH usr/include.
  51 .PHONY: khdr
  52 khdr:
  53 ifndef KSFT_KHDR_INSTALL_DONE
  54 ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
  55         make --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
  56 else
  57         make --no-builtin-rules INSTALL_HDR_PATH=$$OUTPUT/usr \
  58                 ARCH=$(ARCH) -C $(top_srcdir) headers_install
  59 endif
  60 endif
  61
  62 all: khdr $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
  63 else
  64 all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
  65 endif
  66
  67 .ONESHELL:
  68 define RUN_TEST_PRINT_RESULT
  69         TEST_HDR_MSG="selftests: "`basename $$PWD`:" $$BASENAME_TEST";  \
  70         echo $$TEST_HDR_MSG;                                    \
  71         echo "========================================";        \
  72         if [ ! -x $$TEST ]; then        \
  73                 echo "$$TEST_HDR_MSG: Warning: file $$BASENAME_TEST is not executable, correct this.";\
  74                 echo "not ok 1..$$test_num $$TEST_HDR_MSG [FAIL]"; \
  75         else                                    \
  76                 cd `dirname $$TEST` > /dev/null; \
  77                 if [ "X$(summary)" != "X" ]; then       \
  78                         (./$$BASENAME_TEST > /tmp/$$BASENAME_TEST 2>&1 && \
  79                         echo "ok 1..$$test_num $$TEST_HDR_MSG [PASS]") || \
  80                         (if [ $$? -eq $$skip ]; then    \
  81                                 echo "not ok 1..$$test_num $$TEST_HDR_MSG [SKIP]";                              \
  82                         else echo "not ok 1..$$test_num $$TEST_HDR_MSG [FAIL]";                                 \
  83                         fi;)                    \
  84                 else                            \
  85                         (./$$BASENAME_TEST &&   \
  86                         echo "ok 1..$$test_num $$TEST_HDR_MSG [PASS]") ||                                               \
  87                         (if [ $$? -eq $$skip ]; then \
  88                                 echo "not ok 1..$$test_num $$TEST_HDR_MSG [SKIP]"; \
  89                         else echo "not ok 1..$$test_num $$TEST_HDR_MSG [FAIL]";                         \
  90                         fi;)            \
  91                 fi;                             \
  92                 cd - > /dev/null;               \
  93         fi;
  94 endef
  95
  96 define RUN_TESTS
  97         @export KSFT_TAP_LEVEL=`echo 1`;                \
  98         test_num=`echo 0`;                              \
  99         skip=`echo 4`;                                  \
 100         echo "TAP version 13";                          \
 101         for TEST in $(1); do                            \
 102                 BASENAME_TEST=`basename $$TEST`;        \
 103                 test_num=`echo $$test_num+1 | bc`;      \
 104                 $(call RUN_TEST_PRINT_RESULT,$(TEST),$(BASENAME_TEST),$(test_num),$(skip))                                              \
 105         done;
 106 endef
 107
 108 run_tests: all
 109 ifneq ($(KBUILD_SRC),)
 110         @if [ "X$(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES)" != "X" ]; then
 111                 @rsync -aq $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(OUTPUT)
 112         fi
 113         @if [ "X$(TEST_PROGS)" != "X" ]; then
 114                 $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(OUTPUT)/$(TEST_PROGS))
 115         else
 116                 $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS))
 117         fi
 118 else
 119         $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS))
 120 endif
 121
 122 define INSTALL_RULE
 123         @if [ "X$(TEST_PROGS)$(TEST_PROGS_EXTENDED)$(TEST_FILES)" != "X" ]; then                                        \
 124                 mkdir -p ${INSTALL_PATH};                                                                               \
 125                 echo "rsync -a $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(INSTALL_PATH)/";    \
 126                 rsync -a $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(INSTALL_PATH)/;           \
 127         fi
 128         @if [ "X$(TEST_GEN_PROGS)$(TEST_CUSTOM_PROGS)$(TEST_GEN_PROGS_EXTENDED)$(TEST_GEN_FILES)" != "X" ]; then                                        \
 129                 mkdir -p ${INSTALL_PATH};                                                                               \
 130                 echo "rsync -a $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(INSTALL_PATH)/";   \
 131                 rsync -a $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(INSTALL_PATH)/;          \
 132         fi
 133 endef
 134
 135 install: all
 136 ifdef INSTALL_PATH
 137         $(INSTALL_RULE)
 138 else
 139         $(error Error: set INSTALL_PATH to use install)
 140 endif
 141
 142 define EMIT_TESTS
 143         @test_num=`echo 0`;                             \
 144         for TEST in $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS); do \
 145                 BASENAME_TEST=`basename $$TEST`;        \
 146                 test_num=`echo $$test_num+1 | bc`;      \
 147                 TEST_HDR_MSG="selftests: "`basename $$PWD`:" $$BASENAME_TEST";  \
 148                 echo "echo $$TEST_HDR_MSG";     \
 149                 if [ ! -x $$TEST ]; then        \
 150                         echo "echo \"$$TEST_HDR_MSG: Warning: file $$BASENAME_TEST is not executable, correct this.\"";         \
 151                         echo "echo \"not ok 1..$$test_num $$TEST_HDR_MSG [FAIL]\""; \
 152                 else
 153                         echo "(./$$BASENAME_TEST >> \$$OUTPUT 2>&1 && echo \"ok 1..$$test_num $$TEST_HDR_MSG [PASS]\") || (if [ \$$? -eq \$$skip ]; then echo \"not ok 1..$$test_num $$TEST_HDR_MSG [SKIP]\"; else echo \"not ok 1..$$test_num $$TEST_HDR_MSG [FAIL]\"; fi;)"; \
 154                 fi;             \
 155         done;
 156 endef
 157
 158 emit_tests:
 159         $(EMIT_TESTS)
 160
 161 # define if isn't already. It is undefined in make O= case.
 162 ifeq ($(RM),)
 163 RM := rm -f
 164 endif
 165
 166 define CLEAN
 167         $(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN)
 168 endef
 169
 170 clean:
 171         $(CLEAN)
 172
 173 # When make O= with kselftest target from main level
 174 # the following aren't defined.
 175 #
 176 ifneq ($(KBUILD_SRC),)
 177 LINK.c = $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
 178 COMPILE.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c
 179 LINK.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
 180 endif
 181
 182 # Selftest makefiles can override those targets by setting
 183 # OVERRIDE_TARGETS = 1.
 184 ifeq ($(OVERRIDE_TARGETS),)
 185 $(OUTPUT)/%:%.c
 186         $(LINK.c) $^ $(LDLIBS) -o $@
 187
 188 $(OUTPUT)/%.o:%.S
 189         $(COMPILE.S) $^ -o $@
 190
 191 $(OUTPUT)/%:%.S
 192         $(LINK.S) $^ $(LDLIBS) -o $@
 193 endif
 194
 195 .PHONY: run_tests all clean install emit_tests