1# SPDX-License-Identifier: GPL-2.0-only 2 3ifeq ($(srctree),) 4 srctree := $(patsubst %/,%,$(dir $(CURDIR))) 5 srctree := $(patsubst %/,%,$(dir $(srctree))) 6 srctree := $(patsubst %/,%,$(dir $(srctree))) 7endif 8 9include $(srctree)/tools/scripts/Makefile.include 10 11# O is an alias for OUTPUT 12OUTPUT := $(O) 13 14ifeq ($(OUTPUT),) 15 OUTPUT := $(CURDIR) 16else 17 # subdir is used by the ../Makefile in $(call descend,) 18 ifneq ($(subdir),) 19 OUTPUT := $(OUTPUT)/$(subdir) 20 endif 21endif 22 23ifneq ($(patsubst %/,,$(lastword $(OUTPUT))),) 24 OUTPUT := $(OUTPUT)/ 25endif 26 27RTLA := $(OUTPUT)rtla 28RTLA_IN := $(RTLA)-in.o 29 30VERSION := $(shell sh -c "make -sC ../../.. kernelversion | grep -v make") 31DOCSRC := ../../../Documentation/tools/rtla/ 32 33FEATURE_TESTS := libtraceevent 34FEATURE_TESTS += libtracefs 35FEATURE_TESTS += libcpupower 36FEATURE_DISPLAY := libtraceevent 37FEATURE_DISPLAY += libtracefs 38FEATURE_DISPLAY += libcpupower 39 40ifeq ($(V),1) 41 Q = 42else 43 Q = @ 44endif 45 46all: $(RTLA) 47 48include $(srctree)/tools/build/Makefile.include 49include Makefile.rtla 50 51# check for dependencies only on required targets 52NON_CONFIG_TARGETS := clean install tarball doc doc_clean doc_install 53 54config := 1 55ifdef MAKECMDGOALS 56ifeq ($(filter-out $(NON_CONFIG_TARGETS),$(MAKECMDGOALS)),) 57 config := 0 58endif 59endif 60 61ifeq ($(config),1) 62 include $(srctree)/tools/build/Makefile.feature 63 include Makefile.config 64endif 65 66CFLAGS += $(INCLUDES) $(LIB_INCLUDES) 67 68export CFLAGS OUTPUT srctree 69 70$(RTLA): $(RTLA_IN) 71 $(QUIET_LINK)$(CC) $(LDFLAGS) -o $(RTLA) $(RTLA_IN) $(EXTLIBS) 72 73static: $(RTLA_IN) 74 $(eval LDFLAGS += -static) 75 $(QUIET_LINK)$(CC) -static $(LDFLAGS) -o $(RTLA)-static $(RTLA_IN) $(EXTLIBS) 76 77rtla.%: fixdep FORCE 78 make -f $(srctree)/tools/build/Makefile.build dir=. $@ 79 80$(RTLA_IN): fixdep FORCE 81 make $(build)=rtla 82 83clean: doc_clean fixdep-clean 84 $(call QUIET_CLEAN, rtla) 85 $(Q)find . -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete 86 $(Q)rm -f rtla rtla-static fixdep FEATURE-DUMP rtla-* 87 $(Q)rm -rf feature 88.PHONY: FORCE clean 89