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=$$OUTPUT/usr \ 53 ARCH=$(ARCH) -C $(top_srcdir) headers_install 54endif 55endif 56 57all: khdr $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) 58else 59all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) 60endif 61 62.ONESHELL: 63define RUN_TESTS 64 @BASE_DIR="$(selfdir)"; \ 65 . $(selfdir)/kselftest/runner.sh; \ 66 if [ "X$(summary)" != "X" ]; then \ 67 per_test_logging=1; \ 68 fi; \ 69 run_many $(1) 70endef 71 72run_tests: all 73ifdef building_out_of_srctree 74 @if [ "X$(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES)" != "X" ]; then 75 @rsync -aq $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES) $(OUTPUT) 76 fi 77 @if [ "X$(TEST_PROGS)" != "X" ]; then 78 $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(OUTPUT)/$(TEST_PROGS)) 79 else 80 $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS)) 81 fi 82else 83 $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS)) 84endif 85 86define INSTALL_SINGLE_RULE 87 $(if $(INSTALL_LIST),@mkdir -p $(INSTALL_PATH)) 88 $(if $(INSTALL_LIST),@echo rsync -a $(INSTALL_LIST) $(INSTALL_PATH)/) 89 $(if $(INSTALL_LIST),@rsync -a $(INSTALL_LIST) $(INSTALL_PATH)/) 90endef 91 92define INSTALL_RULE 93 $(eval INSTALL_LIST = $(TEST_PROGS)) $(INSTALL_SINGLE_RULE) 94 $(eval INSTALL_LIST = $(TEST_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE) 95 $(eval INSTALL_LIST = $(TEST_FILES)) $(INSTALL_SINGLE_RULE) 96 $(eval INSTALL_LIST = $(TEST_GEN_PROGS)) $(INSTALL_SINGLE_RULE) 97 $(eval INSTALL_LIST = $(TEST_CUSTOM_PROGS)) $(INSTALL_SINGLE_RULE) 98 $(eval INSTALL_LIST = $(TEST_GEN_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE) 99 $(eval INSTALL_LIST = $(TEST_GEN_FILES)) $(INSTALL_SINGLE_RULE) 100endef 101 102install: all 103ifdef INSTALL_PATH 104 $(INSTALL_RULE) 105else 106 $(error Error: set INSTALL_PATH to use install) 107endif 108 109emit_tests: 110 for TEST in $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS); do \ 111 BASENAME_TEST=`basename $$TEST`; \ 112 echo " \\"; \ 113 echo -n " \"$$BASENAME_TEST\""; \ 114 done; \ 115 116# define if isn't already. It is undefined in make O= case. 117ifeq ($(RM),) 118RM := rm -f 119endif 120 121define CLEAN 122 $(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN) 123endef 124 125clean: 126 $(CLEAN) 127 128# When make O= with kselftest target from main level 129# the following aren't defined. 130# 131ifdef building_out_of_srctree 132LINK.c = $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH) 133COMPILE.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c 134LINK.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH) 135endif 136 137# Selftest makefiles can override those targets by setting 138# OVERRIDE_TARGETS = 1. 139ifeq ($(OVERRIDE_TARGETS),) 140LOCAL_HDRS := $(selfdir)/kselftest_harness.h $(selfdir)/kselftest.h 141$(OUTPUT)/%:%.c $(LOCAL_HDRS) 142 $(LINK.c) $^ $(LDLIBS) -o $@ 143 144$(OUTPUT)/%.o:%.S 145 $(COMPILE.S) $^ -o $@ 146 147$(OUTPUT)/%:%.S 148 $(LINK.S) $^ $(LDLIBS) -o $@ 149endif 150 151.PHONY: run_tests all clean install emit_tests 152