2003-09-30 Akim Demaille <akim@epita.fr>

	* configure.ac: Copyright notice.
	Check the presence of the needed tools.

meta-c++-grammar/ChangeLog

+2003-09-30  Akim Demaille  <akim@epita.fr>
+
+	* configure.ac: Copyright notice.
+	Check the presence of the needed tools.
+
 2003-08-30  Valentin David  <valentin@lrde.epita.fr>
 
 	* README: Update required package version numbers.

meta-c++-grammar/README

-cxx-grammar
+cxx-grammar						-*- text -*-
 -----------
 
 C++ syntax definition with disambiguation tools.

meta-c++-grammar/configure.ac

-# AC_PATH_XPROG(VAR, PROG, PATH_PREFIX)
-# -------------------------------------
-AC_DEFUN([AC_PATH_XPROG],
-[AC_PATH_PROG([$1], [$2], [], [$$3/bin:$PATH])
-if test -z "$$1"; then
-   AC_MSG_ERROR([$2 is required])
-fi
-])
+# Configure template for C++ Grammar.                   -*-Autoconf-*-
+#
+# Copyright (C) 2003 Laboratoire de Recherche et Developpement de l'EPITA.
+#
+# 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
 
-# Autoconf 2.53 needed so that buggy PATH_SEPARATOR is fixed.
-AC_PREREQ(2.53)
+AC_PREREQ(2.57)
 
-AC_INIT(cxx-grammar, 0.1)
+AC_INIT([cxx-grammar], 0.1, [transformers@lrde.epita.fr])
 
 # Auxiliary files
-AC_CONFIG_AUX_DIR(config)
+AC_CONFIG_AUX_DIR([config])
 AC_CONFIG_FILES(config/Makefile)
 AC_CONFIG_FILES([config/defs],
                 [chmod +x config/defs])
 
-AM_INIT_AUTOMAKE([1.7.3 dist-bzip2])
+AM_INIT_AUTOMAKE([1.7.7 dist-bzip2])
 
+# Make sure $prefix is defined.
 test "x$prefix" = xNONE && prefix=$ac_default_prefix
 
 USE_XT_PACKAGES
+if test "$XT" = NONE; then
+  AC_MSG_ERROR([XT is undefined.  Did you specify --with-xt=PATH?])
+fi
 
-AC_ARG_WITH(lrde-sdftools,
+
+AC_ARG_WITH([lrde-sdftools],
   [  --with-lrde-sdftools=DIR Specify location of LRDE_SDF, [PREFIX]],
-  LRDE_SDF="$withval",
-  LRDE_SDF="$prefix"
+  [LRDE_SDF=$withval],
+  [LRDE_SDF=$prefix]
 )
-AC_SUBST(LRDE_SDF)
+AC_SUBST([LRDE_SDF])
 
-AC_ARG_WITH(sdf-option,
+AC_ARG_WITH([sdf-option],
   [  --with-sdf-option=DIR    Specify location of SDF_OPTION, [LRDE_SDF]],
-  SDF_OPTION="$withval",
-  SDF_OPTION="$LRDE_SDF"
+  [SDF_OPTION=$withval],
+  [SDF_OPTION=$LRDE_SDF]
 )
-AC_SUBST(SDF_OPTION)
+AC_SUBST([SDF_OPTION])
+test -f $SDF_OPTION/bin/sdf-option ||
+  AC_MSG_ERROR([cannot find sdf-option.  Did you use --with-lrde-sdftools?])
+
 
-AC_ARG_WITH(boxedsdf,
+AC_ARG_WITH([boxedsdf],
   [  --with-boxedsdf=DIR      Specify location of BOXEDSDF, [LRDE_SDF]],
-  BOXEDSDF="$withval",
-  BOXEDSDF="$LRDE_SDF"
+  [BOXEDSDF=$withval],
+  [BOXEDSDF=$LRDE_SDF]
 )
-AC_SUBST(BOXEDSDF)
+AC_SUBST([BOXEDSDF])
+test -f $BOXEDSDF/bin/boxed2sdf ||
+  AC_MSG_ERROR([cannot find boxed2sdf.  Did you use --with-lrde-sdftools?])
 
-AC_ARG_WITH(detgen,
+
+AC_ARG_WITH([detgen],
   [  --with-detgen=DIR        Specify location of DETGEN, [LRDE_SDF]],
-  DETGEN="$withval",
-  DETGEN="$LRDE_SDF"
+  [DETGEN=$withval],
+  [DETGEN=$LRDE_SDF]
 )
-AC_SUBST(DETGEN)
+AC_SUBST([DETGEN])
+test -f $DETGEN/bin/detgen ||
+  AC_MSG_ERROR([cannot find detgen.  Did you use --with-lrde-sdftools?])
+
+
 
 # Loook for common programs
 AC_LANG_C
@@ -61,7 +85,7 @@ AC_PROG_INSTALL
 # FIXME: check if gcc offers the -fsyntax option
 # FIXME: lookup for other (better ?) compilers ?
 COMPILER_SYNTAX_CHECK="$CXX -ansi -pedantic -fsyntax-only"
-AC_SUBST(COMPILER_SYNTAX_CHECK)
+AC_SUBST([COMPILER_SYNTAX_CHECK])
 
 # Output Files
 AC_CONFIG_FILES([Makefile