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 := $(shell sh -c "make -sC ../../.. kernelversion | grep -v make") 31DOCSRC := ../../../Documentation/tools/rtla/ 32 33FEATURE_TESTS := libtraceevent 34FEATURE_TESTS += libtracefs 35FEATURE_DISPLAY := libtraceevent 36FEATURE_DISPLAY += libtracefs 37 38ifeq ($(V),1) 39 Q = 40else 41 Q = @ 42endif 43 44all: $(RTLA) 45 46include $(srctree)/tools/build/Makefile.include 47include Makefile.rtla 48 49# check for dependencies only on required targets 50NON_CONFIG_TARGETS := clean install tarball doc doc_clean doc_install 51 52config := 1 53ifdef MAKECMDGOALS 54ifeq ($(filter-out $(NON_CONFIG_TARGETS),$(MAKECMDGOALS)),) 55 config := 0 56endif 57endif 58 59ifeq ($(config),1) 60 include $(srctree)/tools/build/Makefile.feature 61 include Makefile.config 62endif 63 64CFLAGS += $(INCLUDES) $(LIB_INCLUDES) 65 66export CFLAGS OUTPUT srctree 67 68$(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 FORCE 76 make -f $(srctree)/tools/build/Makefile.build dir=. $@ 77 78$(RTLA_IN): fixdep FORCE 79 make $(build)=rtla 80 81clean: doc_clean fixdep-clean 82 $(call QUIET_CLEAN, rtla) 83 $(Q)find . -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete 84 $(Q)rm -f rtla rtla-static fixdep FEATURE-DUMP rtla-* 85 $(Q)rm -rf feature 86.PHONY: FORCE clean 87