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