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#! /bin/sh

# A replacement for the "reautoconf" script found at the root of the
# web2c/teTeX/TeX-Live tree Used to run autoconf Versions 2.13 (old)
# resp. 2.59 (new) in various directories.  Adapted from Peter
# Breitenlohner's original version.
#
# Copyright 2005 Olaf Weber.
# Copyright 2004 Peter Breitenlohner.
#
# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

[ -f ./texk/make/common.mk ] || {
	echo "*** can't find ./texk/make/common.mk"
	exit 1
}

# Remember the topdir.
topdir=`pwd`

# "acold" runs autoconf-2.13
# "acnew" runs autoconf-2.59

acold () {	# $dir=current
	echo "    Running autoconf-2.13 in \`$dir'"
	$topdir/texk/autoconf2.13 -m "$topdir/texk/etc/autoconf"
}

# For autoconf-2.59 two things have to be done:
#
# 1. Rebuild aclocal.m4, using a patched version of aclocal-1.9.5.
#
# The patches (as obtained from one of the automake maintainers)
# can be found in
#	ftp://ftpth.mppmu.mpg.de/pub/peb/web2c/autoconf/aclocal.patch
# and should be part of the next release, i.e., automake-1.9.6.
#
# Obviously directories that come with a prebuilt aclocal.m4, but without
# the ingredients to rebuild it, need special treatment.
#
# 2. Run /usr/local/bin/autoconf

###################################
# The patch quoted above fixes only part of the sinclude problems.
# The generated aclocal.m4 still contains erroneous m4_include's
# that have to be removed before running autoconf.
###################################

acnew () {	# $dir=current, $dir/$rdir->./texk/m4 with the KPSE macros.
	#arg="-I $rdir"
	#[ -n "$1" ] && {
	#	# Move existing aclocal.m4 into subdir and build new one
	#	mkdir m4
	#	mv aclocal.m4 m4/oldlocal.m4
	#	arg="-I m4 $arg"
	#}
	#echo "Running aclocal-1.9 (patched) in \`$dir'"
	#$topdir/config/aclocal-1.9peb --force $arg || return
	echo "    Running autoconf-2.59 in \`$dir'"
	/usr/bin/autoconf2.50 --force || return
	#rm -rf autom4te.cache
}

# Autoconf in .
dir=. rdir=texk/m4
acold

# Autoconf in all other directories
for dir in `find utils libs texk -name configure.in | sed 's,/configure.in$,,'`; do
	case $dir in
		*/texi*)	# texinfo and texi2html are automade
		;;
		*/ncurses)	# ncurses has it's own special configure
		;;
		utils/*)	# Skip everything in utils for now.
		;;
		*/curl)		# Is automade.
		;;
		texk)	rdir=m4
			(cd $dir; acold)
		;;
		texk/*)	rdir=`echo $dir | sed -e 's,^texk/,,' -e 's,[^/]*,..,g'`/m4
			case $dir in
				*/dvipng|*/devnag|*/dvipdfmx)
					(cd $dir; acnew);;
				*)	(cd $dir; acold);;
			esac
		;;
		*)	rdir=`echo $dir | sed 's,[^/]*,..,g'`/texk/m4
			case $dir in
			*/t1utils|*/lcdf-typetools|*/curl|*/expat)
				(cd $dir; acnew) ;;
			*)	(cd $dir; acold) ;;
			esac
		;;
	esac
done