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makefile
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makefile
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#
# makefile for the leap second test program
#
# Copyright (C) 2012 Richard Cochran <[email protected]>
#
# 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.
#
#
CC = gcc
CFLAGS = -Wall
LDFLAGS = -lrt
PRG = leap mktime
OBJ = leap.o lstab.o
OBJECTS = $(OBJ) mktime.o
SRC = $(OBJECTS:.o=.c)
DEPEND = $(OBJECTS:.o=.d)
all: $(PRG)
leap: $(OBJ)
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