linuxptp/makefile

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Makefile
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#
# Copyright (C) 2011 Richard Cochran <richardcochran@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
KBUILD_OUTPUT ?= /lib/modules/$(shell uname -r)/build
FEAT_CFLAGS :=
ifneq ($(shell grep clock_adjtime /usr/include/bits/time.h),)
FEAT_CFLAGS += -D_GNU_SOURCE -DHAVE_CLOCK_ADJTIME
endif
DEBUG =
CC = $(CROSS_COMPILE)gcc
INC = -I$(KBUILD_OUTPUT)/usr/include
CFLAGS = -Wall $(INC) $(DEBUG) $(FEAT_CFLAGS) $(EXTRA_CFLAGS)
LDLIBS = -lm -lrt $(EXTRA_LDFLAGS)
PRG = ptp4l pmc phc2sys hwstamp_ctl
OBJ = bmc.o clock.o config.o fsm.o ptp4l.o mave.o msg.o phc.o pi.o port.o \
print.o raw.o servo.o sk.o tlv.o tmtab.o transport.o udp.o udp6.o uds.o util.o
OBJECTS = $(OBJ) pmc.o phc2sys.o hwstamp_ctl.o
SRC = $(OBJECTS:.o=.c)
DEPEND = $(OBJECTS:.o=.d)
srcdir := $(dir $(lastword $(MAKEFILE_LIST)))
VPATH = $(srcdir)
all: $(PRG)
ptp4l: $(OBJ)
pmc: pmc.o msg.o print.o raw.o sk.o tlv.o transport.o udp.o udp6.o uds.o util.o
phc2sys: phc2sys.o
hwstamp_ctl: hwstamp_ctl.o
clean:
rm -f $(OBJECTS) $(DEPEND)
distclean: clean
rm -f $(PRG)
# Implicit rule to generate a C source file's dependencies.
%.d: %.c
@echo DEPEND $<; \
rm -f $@; \
$(CC) -MM $(CPPFLAGS) $(CFLAGS) $< > $@.$$$$; \
sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \
rm -f $@.$$$$
ifneq ($(MAKECMDGOALS), clean)
ifneq ($(MAKECMDGOALS), distclean)
-include $(DEPEND)
endif
endif