# Makefile for GNU DIFF
# Copyright 1988, 89, 91, 92, 93, 94, 95, 1998 Free Software Foundation, Inc.
#
# This file is part of GNU DIFF.
#
# GNU DIFF 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, or (at your option)
# any later version.
#
# GNU DIFF 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; see the file COPYING.
# If not, write to the Free Software Foundation,
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

#### Start of system configuration section.  ####

PACKAGE = diffutils
VERSION = 2.7.2

srcdir = @srcdir@
VPATH = @srcdir@

CC = @CC@
INSTALL = @INSTALL@
INSTALL_PROGRAM = @INSTALL_PROGRAM@
INSTALL_DATA = @INSTALL_DATA@
MAKEINFO = makeinfo
TEXI2DVI = texi2dvi

CFLAGS = @CFLAGS@
CPPFLAGS = @CPPFLAGS@
DEFS = @DEFS@
LDFLAGS = @LDFLAGS@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@

# Some System V machines do not come with libPW.
# If this is true for you, use the GNU alloca.o here.
ALLOCA = @ALLOCA@

prefix = @prefix@
exec_prefix = @exec_prefix@
edit_program_name = sed '@program_transform_name@'

bindir = $(exec_prefix)/bin

infodir = $(prefix)/info

DEFAULT_DIFF_PROGRAM = $(bindir)/`echo diff | $(edit_program_name)`
DEFAULT_EDITOR_PROGRAM = ed
NULL_DEVICE = /dev/null
PR_PROGRAM = @PR_PROGRAM@

#### End of system configuration section.  ####

SHELL = /bin/sh

# The source files for all of the programs.
srcs = \
	analyze.c cmp.c cmpbuf.c cmpbuf.h context.c \
	diff.c diff.h diff3.c dir.c ed.c freesoft.c ifdef.c io.c \
	memchr.c normal.c quotesys.c quotesys.h sdiff.c side.c system.h \
	util.c waitpid.c \
	alloca.c error.c fnmatch.c fnmatch.h \
	getopt.c getopt.h getopt1.c regex.c regex.h xmalloc.c
distfiles = $(srcs) README INSTALL NEWS diagmeet.note Makefile.in \
	stamp-h.in config.hin configure configure.in acconfig.h \
	COPYING ChangeLog \
	diff.texi diff.info texinfo.tex \
	install-sh mkinstalldirs getmsgids version.c version.texi \
	message/en_UK.po message/msgid.po message/template.po \
	message/de.po message/es.po message/fr.po message/pl.po message/sv.po \
	pc/COPYING pc/INSTALL pc/config.h pc/makefile pc/makefile.sed pc/pc.c \
	pc/djgpp/config.h pc/djgpp/makefile.sed \
	pc/emx/config.h pc/emx/diff.def pc/emx/gnuregex.def pc/emx/makefile.sed

PROGRAMS = cmp diff diff3 sdiff

all: $(distfiles) $(PROGRAMS)

version.c:
	(echo '#include <config.h>' && \
	 echo 'char const version_string[] = "(GNU $(PACKAGE)) $(VERSION)";') \
		>$@

version.texi: diff.texi
	(echo '@set VERSION $(VERSION)' && \
	 set `sed -n '/^.*\$$Id: diff.texi,v \([^ ]*\) \([^ ]*\).*/{ s//\1 \2/; s|/|-|g; p; q; }' diff.texi` && \
	 echo "@set EDITION $$1" && \
	 echo "@set UPDATED $$2") >$@

COMPILE = $(CC) -c $(CPPFLAGS) $(DEFS) -I. -I$(srcdir) $(CFLAGS)

.c.o:
	$(COMPILE) $<

common_o = error.o freesoft.o getopt.o getopt1.o version.o xmalloc.o

diff_o = diff.o analyze.o cmpbuf.o dir.o io.o util.o \
	context.o ed.o ifdef.o normal.o side.o \
	fnmatch.o regex.o quotesys.o $(common_o) $(ALLOCA) $(LIBOBJS)
diff: $(diff_o)
	$(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(diff_o) $(LIBS)

diff3_o = diff3.o quotesys.o $(common_o) $(LIBOBJS)
diff3: $(diff3_o)
	$(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(diff3_o) $(LIBS)

sdiff_o = sdiff.o quotesys.o $(common_o) $(LIBOBJS)
sdiff: $(sdiff_o)
	$(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(sdiff_o) $(LIBS)

cmp_o = cmp.o cmpbuf.o $(common_o) $(LIBOBJS)
cmp: $(cmp_o)
	$(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(cmp_o) $(LIBS)

info: diff.info
diff.info: diff.texi version.texi
	$(MAKEINFO) --no-split $(srcdir)/diff.texi --output=$@

dvi: diff.dvi
diff.dvi: diff.texi version.texi
	$(TEXI2DVI) $(srcdir)/diff.texi

$(diff_o): diff.h system.h
cmp.o diff3.o sdiff.o: system.h
context.o diff.o regex.o: regex.h
cmp.o diff.o diff3.o sdiff.o getopt.o getopt1.o: getopt.h
diff.o fnmatch.o: fnmatch.h
analyze.o cmpbuf.o cmp.o: cmpbuf.h
diff.o diff3.o quotesys.o sdiff.o util.o: quotesys.h

cmp.o: cmp.c
	$(COMPILE) -DNULL_DEVICE=\"$(NULL_DEVICE)\" $(srcdir)/cmp.c

diff3.o: diff3.c
	$(COMPILE) \
		-DDEFAULT_DIFF_PROGRAM=\"$(DEFAULT_DIFF_PROGRAM)\" \
		$(srcdir)/diff3.c

sdiff.o: sdiff.c
	$(COMPILE) \
		-DDEFAULT_DIFF_PROGRAM=\"$(DEFAULT_DIFF_PROGRAM)\" \
		-DDEFAULT_EDITOR_PROGRAM=\"$(DEFAULT_EDITOR_PROGRAM)\" \
		$(srcdir)/sdiff.c

util.o: util.c
	$(COMPILE) -DPR_PROGRAM=\"$(PR_PROGRAM)\" $(srcdir)/util.c

TAGS: $(srcs)
	etags $(srcs)

message/msgid.po: getmsgids $(srcs)
	./getmsgids $(srcs) >$@

message/template.po: message/msgid.po
	sed 'p; s/^msgid  "/msgstr "TRANSLATED /; p; s/.*//' <$? >$@

clean:
	rm -f *.o $(PROGRAMS) core
	rm -f *.aux *.cp *.cps *.dvi *.fn *.fns *.ky *.kys *.log
	rm -f *.pg *.pgs *.toc *.tp *.tps *.vr *.vrs

mostlyclean: clean

distclean: clean
	rm -f Makefile config.cache config.h config.log config.status stamp-h

maintainer-clean:
	@echo "This command is intended for maintainers to use;"
	@echo "it deletes files that may require special tools to rebuild."
	$(MAKE) distclean
	rm -f TAGS *.info version.*
	cd message && rm -f msgid.po template.po

install: all installdirs
	for p in $(PROGRAMS); do \
	  $(INSTALL_PROGRAM) $$p $(bindir)/`echo $$p | $(edit_program_name)`; \
	done
	if test -f diff.info; then d=.; else :; d=$(srcdir); fi; \
	$(INSTALL_DATA) $$d/diff.info $(infodir)/diff.info; \
	if $(SHELL) -c 'install-info --version' >/dev/null 2>&1; \
	then install-info --dir-file=$(infodir) $$d/diff.info; \
	else :; \
	fi

install-strip:
	$(MAKE) INSTALL_PROGRAM='$(INSTALL_PROGRAM) -s' install

installdirs:
	$(SHELL) $(srcdir)/mkinstalldirs $(bindir) $(infodir)

# We need more tests.
check: $(PROGRAMS)
	./cmp cmp cmp
	./diff diff diff
	DIFF=./diff ./diff3 diff3 diff3 diff3
	DIFF=./diff ./sdiff sdiff sdiff

uninstall:
	for p in $(PROGRAMS); do \
	  rm -f $(bindir)/`echo $$p | $(edit_program_name)`; \
	done
	rm -f $(infodir)/diff.info*

configure: configure.in
	cd $(srcdir) && autoconf

# autoheader might not change config.hin.
config.hin: stamp-h.in
stamp-h.in: configure.in acconfig.h
	cd $(srcdir) && autoheader
	echo timestamp > $(srcdir)/stamp-h.in

config.status: configure
	./config.status --recheck

# config.status might not change config.h, but it changes stamp-h.
config.h: stamp-h
stamp-h: config.hin config.status
	./config.status
Makefile: Makefile.in config.status
	./config.status

D = $(PACKAGE)-$(VERSION)
D_dirs = $D $D/message $D/pc $D/pc/djgpp $D/pc/emx

dist: $D.tar.gz

$D.tar.gz: $(distfiles)
	rm -fr $D
	mkdir $(D_dirs)
	chmod a+rwx $(D_dirs)
	for file in $(distfiles); do \
	  cp -p $$file $D/$$file; \
	done
	tar -chf - $D | gzip -9 >$@
	rm -fr $D

# Prevent GNU make v3 from overflowing arg limit on SysV.
.NOEXPORT: