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1# SPDX-License-Identifier: GPL-2.0-only2 3ifeq ($(srctree),)4 srctree := $(patsubst %/,%,$(dir $(CURDIR)))5 srctree := $(patsubst %/,%,$(dir $(srctree)))6 srctree := $(patsubst %/,%,$(dir $(srctree)))7endif8 9include $(srctree)/tools/scripts/Makefile.include10 11# O is an alias for OUTPUT12OUTPUT := $(O)13 14ifeq ($(OUTPUT),)15 OUTPUT := $(CURDIR)16else17 # subdir is used by the ../Makefile in $(call descend,)18 ifneq ($(subdir),)19 OUTPUT := $(OUTPUT)/$(subdir)20 endif21endif22 23ifneq ($(patsubst %/,,$(lastword $(OUTPUT))),)24 OUTPUT := $(OUTPUT)/25endif26 27RTLA := $(OUTPUT)rtla28RTLA_IN := $(RTLA)-in.o29 30VERSION := $(shell sh -c "make -sC ../../.. kernelversion | grep -v make")31DOCSRC := ../../../Documentation/tools/rtla/32 33FEATURE_TESTS := libtraceevent34FEATURE_TESTS += libtracefs35FEATURE_DISPLAY := libtraceevent36FEATURE_DISPLAY += libtracefs37 38ifeq ($(V),1)39 Q =40else41 Q = @42endif43 44all: $(RTLA)45 46include $(srctree)/tools/build/Makefile.include47include Makefile.rtla48 49# check for dependencies only on required targets50NON_CONFIG_TARGETS := clean install tarball doc doc_clean doc_install51 52config := 153ifdef MAKECMDGOALS54ifeq ($(filter-out $(NON_CONFIG_TARGETS),$(MAKECMDGOALS)),)55 config := 056endif57endif58 59ifeq ($(config),1)60 include $(srctree)/tools/build/Makefile.feature61 include Makefile.config62endif63 64CFLAGS += $(INCLUDES) $(LIB_INCLUDES)65 66export CFLAGS OUTPUT srctree67 68$(RTLA): $(RTLA_IN)69 $(QUIET_LINK)$(CC) $(LDFLAGS) -o $(RTLA) $(RTLA_IN) $(EXTLIBS)70 71static: $(RTLA_IN)72 $(eval LDFLAGS += -static)73 $(QUIET_LINK)$(CC) -static $(LDFLAGS) -o $(RTLA)-static $(RTLA_IN) $(EXTLIBS)74 75rtla.%: fixdep FORCE76 make -f $(srctree)/tools/build/Makefile.build dir=. $@77 78$(RTLA_IN): fixdep FORCE79 make $(build)=rtla80 81clean: doc_clean fixdep-clean82 $(call QUIET_CLEAN, rtla)83 $(Q)find . -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete84 $(Q)rm -f rtla rtla-static fixdep FEATURE-DUMP rtla-*85 $(Q)rm -rf feature86.PHONY: FORCE clean87