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TOMOYO Linux Cross Reference
Linux/tools/testing/selftests/lib.mk

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

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