Add copyright notice.

[bison.git] / configure.in

diff --git a/configure.in b/configure.in
index 654b3a913d7941ce8aa8aff9b05802f66038ed93..818818afa0a3531598ec434fb337d616e4f18fd5 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1,6 +1,6 @@
 # Configure template for GNU Bison.                   -*-Autoconf-*-
 #
-# Copyright 2001  Free Software Foundation, Inc.
+# Copyright (C) 2001, 2002 Free Software Foundation, Inc.
 #
 # 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
@@ -18,7 +18,7 @@
 # 02111-1307  USA
 
 # We need a recent Autoconf to run a recent Autotest.
-AC_PREREQ(2.52g)
+AC_PREREQ(2.53)
 
 AC_INIT([GNU Bison], [1.49a], [bug-bison@gnu.org])
 AC_CONFIG_AUX_DIR(config)
@@ -35,11 +35,18 @@ AC_SUBST([GCC])
 
 # Checks for programs.
 AC_PROG_CC
+AM_PROG_LEX
+AC_PROG_YACC
 AC_MINIX
 AC_ISC_POSIX
 AM_PROG_CC_STDC
 AC_PROG_RANLIB
 AM_MISSING_PROG([AUTOM4TE], [autom4te])
+BISON_PROG_GNU_M4
+if test x"$ac_cv_prog_gnu_m4" != xyes; then
+  AC_MSG_ERROR([GNU M4 1.4 is required])
+fi
+AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the GNU M4 executable name.])
 
 AC_ARG_ENABLE(gcc-warnings,
 [  --enable-gcc-warnings   turn on lots of GCC warnings (not recommended)],
@@ -49,6 +56,9 @@ AC_ARG_ENABLE(gcc-warnings,
  esac],
               [enableval=no])
 if test "${enableval}" = yes; then
+  BISON_WARNING(-Werror)
+  AC_SUBST([WERROR_CFLAGS], [$WARNING_CFLAGS])
+  WARNING_CFLAGS=
   BISON_WARNING(-Wall)
   BISON_WARNING(-W)
   BISON_WARNING(-Wbad-function-cast)
@@ -61,7 +71,6 @@ if test "${enableval}" = yes; then
   BISON_WARNING(-Wshadow)
   BISON_WARNING(-Wstrict-prototypes)
   BISON_WARNING(-Wwrite-strings)
-  BISON_WARNING(-Werror)
 fi
 
 # Checks for libraries.
@@ -84,16 +93,18 @@ AM_C_PROTOTYPES
 AC_FUNC_ALLOCA
 AC_FUNC_OBSTACK
 AC_FUNC_ERROR_AT_LINE
-AC_CHECK_FUNCS(mkstemp setlocale)
-AC_CHECK_DECLS([stpcpy, strchr, strndup, strspn, strnlen, memchr])
-AC_REPLACE_FUNCS(stpcpy strchr strndup strnlen strspn memchr)
+AC_FUNC_STRNLEN
+UTILS_FUNC_MKSTEMP
+AC_CHECK_FUNCS(setlocale)
+AC_CHECK_DECLS([free, stpcpy, strchr, strspn, strnlen, malloc, memchr, memrchr])
+AC_REPLACE_FUNCS(stpcpy strchr strspn memchr memrchr)
 jm_FUNC_MALLOC
 jm_FUNC_REALLOC
 jm_PREREQ_QUOTEARG
 jm_PREREQ_ERROR
 AM_WITH_DMALLOC
 
-ALL_LINGUAS="de es et fr ja nl ru sv tr"
+ALL_LINGUAS="de es et fr it ja nl ru sv tr"
 AM_GNU_GETTEXT(, need-ngettext)
 
 # This is necessary so that .o files in LIBOBJS are also built via
@@ -104,5 +115,6 @@ AC_SUBST(LIB@&t@OBJS)
 AC_OUTPUT([Makefile
            config/Makefile
            intl/Makefile po/Makefile.in
+           data/Makefile
            lib/Makefile src/Makefile doc/Makefile
            m4/Makefile])