#! /bin/sh # Update the local files from GNULIB. Currently assumes that the current # GNULIB sources are in a directory parallel with this one. # # 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, 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. if test -f maint-aux/gnulib-modules; then :; else >&2 echo \ "This script expects to be run from the top level of the CVS source tree." exit 2 fi if test -f maint-aux/gnulib-modules; then :; else >&2 echo \ "Failed to find the modules list (\`maint-aux/gnulib-modules')." exit 2 fi # Where to find the GNULIB sources. : ${GNULIB="../gnulib"} GNULIB_TOOL=$GNULIB/gnulib-tool # Which modules to update. MODULES=`cat maint-aux/gnulib-modules` # Are the GNULIB sources really where we expect them? if test -r $GNULIB && test -d $GNULIB \ && test -r $GNULIB_TOOL && test -f $GNULIB_TOOL; then :; else echo GNULIB sources not found. >&2 exit 1 fi trap \ 'status=$? # Restore lib/Makefile.am. if test -f lib/Makefile.am.save; then mv lib/Makefile.am.save lib/Makefile.am fi # Restore m4/error.m4. if test -f m4/error.m4.save; then mv m4/error.m4.save m4/error.m4 fi exit $status' EXIT # Prevent lib/Makefile.am from being overwritten. mv lib/Makefile.am lib/Makefile.am.save # Prevent m4/error.m4 from being overwritten unless necessary. mv m4/error.m4 m4/error.m4.save # Run the update. if $GNULIB_TOOL --import $MODULES >/dev/null; then :; else exit $? fi # Correct this file for our purposes, but try to avoid munging timestamps # unless necessary. sed '/AC_FUNC_ERROR_AT_LINE/d' tmp if cmp tmp m4/error.m4.save >/dev/null 2>&1; then mv m4/error.m4.save m4/error.m4 rm tmp else mv tmp m4/error.m4 rm m4/error.m4.save fi # Extract the names of the files we imported. $GNULIB_TOOL --extract-filelist $MODULES |sort |uniq |sed '/^$/d' \ >maint-aux/gnulib-filelist.new # Warn the user if the filelist has changed. if cmp maint-aux/gnulib-filelist.txt maint-aux/gnulib-filelist.new >/dev/null then # Avoid munging timestamps when nothing's changed. rm maint-aux/gnulib-filelist.new else cat >&2 <<\EOF ******************************************************************** The file list has changed. You may need to add or remove files from CVS. Use `cvs diff maint-aux/gnulib-filelist.txt' to view changes. ******************************************************************** EOF # Save the file list for next time. mv maint-aux/gnulib-filelist.new maint-aux/gnulib-filelist.txt fi # Warn the user if changes have been made to the Makefile.am. if cmp lib/Makefile.am lib/Makefile.gnulib >/dev/null; then # Avoid munging timestamps when nothing's changed. rm lib/Makefile.am else cat >&2 <<\EOF ******************************************************************** Makefile.am needs updating. Use `cvs diff lib/Makefile.gnulib' to view changes. ******************************************************************** EOF # Save the generated lib/Makefile.am for next time. mv lib/Makefile.am lib/Makefile.gnulib fi