Quelle  Makefile   Sprache: C

# SPDX-License-Identifier: GPL-2.0-only

ifeq ($(srctree),)
  srctree := $(patsubst %/,%,$(dir $(CURDIR)))
  srctree := $(patsubst %/,%,$(dir $(srctree)))
  srctree := $(patsubst %/,%,$(dir $(srctree)))
endif

include $(srctree)/tools/scripts/Makefile.include

# O is an alias for OUTPUT
OUTPUT  := $(O)

ifeq ($(OUTPUT),)
  OUTPUT := $(CURDIR)
else
  # subdir is used by the ../Makefile in $(call descend,)
  ifneq ($(subdir),)
    OUTPUT := $(OUTPUT)/$(subdir)
  endif
endif

ifneq ($(patsubst %/,,$(lastword $(OUTPUT))),)
  OUTPUT := $(OUTPUT)/
endif

LATENCY-COLLECTOR := $(OUTPUT)latency-collector
LATENCY-COLLECTOR_IN := $(LATENCY-COLLECTOR)-in.o

export CC := gcc
export LD := ld
export AR := ar
export PKG_CONFIG := pkg-config

FEATURE_TESTS := libtraceevent
FEATURE_TESTS += libtracefs
FEATURE_DISPLAY := libtraceevent
FEATURE_DISPLAY += libtracefs

all: $(LATENCY-COLLECTOR)

include $(srctree)/tools/build/Makefile.include

# check for dependencies only on required targets
NON_CONFIG_TARGETS := clean install

config  := 1
ifdef MAKECMDGOALS
ifeq ($(filter-out $(NON_CONFIG_TARGETS),$(MAKECMDGOALS)),)
 config  := 0
endif
endif

ifeq ($(config),1)
  include $(srctree)/tools/build/Makefile.feature
  include Makefile.config
endif

CFLAGS  += $(INCLUDES) $(LIB_INCLUDES)

export CFLAGS OUTPUT srctree

$(LATENCY-COLLECTOR): $(LATENCY-COLLECTOR_IN)
 $(QUIET_LINK)$(CC) $(LDFLAGS) -o $(LATENCY-COLLECTOR) $(LATENCY-COLLECTOR_IN) $(EXTLIBS)

latency-collector.%: fixdep FORCE
 make -f $(srctree)/tools/build/Makefile.build dir=. $@

$(LATENCY-COLLECTOR_IN): fixdep FORCE
 make $(build)=latency-collector

INSTALL  := install
MKDIR  := mkdir
STRIP  := strip
BINDIR  := /usr/bin

install:
 @$(MKDIR) -p $(DESTDIR)$(BINDIR)
 $(call QUIET_INSTALL,latency-collector)$(INSTALL) $(LATENCY-COLLECTOR) -m 755 $(DESTDIR)$(BINDIR)
 @$(STRIP) $(DESTDIR)$(BINDIR)/latency-collector

clean:
 $(call QUIET_CLEAN, latency-collector)
 $(Q)find . -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
 $(Q)@rm -f latency-collector fixdep FEATURE-DUMP
 $(Q)rm -rf feature
.PHONY: FORCE clean install