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 27RV := $(OUTPUT)rv 28RV_IN := $(RV)-in.o 29 30VERSION := $(shell sh -c "make -sC ../../.. kernelversion | grep -v make") 31DOCSRC := ../../../Documentation/tools/rv/ 32 33FEATURE_TESTS := libtraceevent 34FEATURE_TESTS += libtracefs 35FEATURE_DISPLAY := libtraceevent 36FEATURE_DISPLAY += libtracefs 37 38all: $(RV) 39 40include $(srctree)/tools/build/Makefile.include 41include Makefile.rv 42 43# check for dependencies only on required targets 44NON_CONFIG_TARGETS := clean install doc doc_clean doc_install 45 46config := 1 47ifdef MAKECMDGOALS 48 ifeq ($(filter-out $(NON_CONFIG_TARGETS),$(MAKECMDGOALS)),) 49 config := 0 50endif 51endif 52 53ifeq ($(config),1) 54 include $(srctree)/tools/build/Makefile.feature 55 include Makefile.config 56endif 57 58CFLAGS += $(INCLUDES) $(LIB_INCLUDES) 59 60export CFLAGS OUTPUT srctree 61 62$(RV): $(RV_IN) 63 $(QUIET_LINK)$(CC) $(LDFLAGS) -o $(RV) $(RV_IN) $(EXTLIBS) 64 65static: $(RV_IN) 66 $(eval LDFLAGS += -static) 67 $(QUIET_LINK)$(CC) $(LDFLAGS) -o $(RV)-static $(RV_IN) $(EXTLIBS) 68 69rv.%: fixdep FORCE 70 make -f $(srctree)/tools/build/Makefile.build dir=. $@ 71 72$(RV_IN): fixdep FORCE 73 make $(build)=rv 74 75clean: doc_clean fixdep-clean 76 $(call QUIET_CLEAN, rv) 77 $(Q)find . -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete 78 $(Q)rm -f rv rv-static fixdep FEATURE-DUMP rv-* 79 $(Q)rm -rf feature 80 81.PHONY: FORCE clean 82