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 := $(shell sh -c "make -sC ../../.. kernelversion | grep -v make") 31DOCSRC := ../../../Documentation/tools/rtla/ 32 33FEATURE_TESTS := libtraceevent 34FEATURE_TESTS += libtracefs 35FEATURE_TESTS += libcpupower 36FEATURE_TESTS += libbpf 37FEATURE_TESTS += clang-bpf-co-re 38FEATURE_TESTS += bpftool-skeletons 39FEATURE_DISPLAY := libtraceevent 40FEATURE_DISPLAY += libtracefs 41FEATURE_DISPLAY += libcpupower 42FEATURE_DISPLAY += libbpf 43FEATURE_DISPLAY += clang-bpf-co-re 44FEATURE_DISPLAY += bpftool-skeletons 45 46ifeq ($(V),1) 47 Q = 48else 49 Q = @ 50endif 51 52all: $(RTLA) 53 54include $(srctree)/tools/build/Makefile.include 55include Makefile.rtla 56 57# check for dependencies only on required targets 58NON_CONFIG_TARGETS := clean install tarball doc doc_clean doc_install 59 60config := 1 61ifdef MAKECMDGOALS 62ifeq ($(filter-out $(NON_CONFIG_TARGETS),$(MAKECMDGOALS)),) 63 config := 0 64endif 65endif 66 67ifeq ($(config),1) 68 include $(srctree)/tools/build/Makefile.feature 69 include Makefile.config 70endif 71 72CFLAGS += $(INCLUDES) $(LIB_INCLUDES) 73 74export CFLAGS OUTPUT srctree 75 76$(RTLA): $(RTLA_IN) 77 $(QUIET_LINK)$(CC) $(LDFLAGS) -o $(RTLA) $(RTLA_IN) $(EXTLIBS) 78 79static: $(RTLA_IN) 80 $(eval LDFLAGS += -static) 81 $(QUIET_LINK)$(CC) -static $(LDFLAGS) -o $(RTLA)-static $(RTLA_IN) $(EXTLIBS) 82 83rtla.%: fixdep FORCE 84 make -f $(srctree)/tools/build/Makefile.build dir=. $@ 85 86$(RTLA_IN): fixdep FORCE 87 make $(build)=rtla 88 89clean: doc_clean fixdep-clean 90 $(call QUIET_CLEAN, rtla) 91 $(Q)find . -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete 92 $(Q)rm -f rtla rtla-static fixdep FEATURE-DUMP rtla-* 93 $(Q)rm -rf feature 94check: $(RTLA) 95 RTLA=$(RTLA) prove -o -f tests/ 96.PHONY: FORCE clean check 97