X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/80df876864983b91961c74171d1a32fabe3fdefe..44ea3fbdf5abd13db62696e11e8177e1722e6fc8:/configure.in?ds=sidebyside

diff --git a/configure.in b/configure.in
index b6788873..b68768b5 100644
--- a/configure.in
+++ b/configure.in
@@ -1,6 +1,6 @@
 # Configure template for GNU Bison.                   -*-Autoconf-*-
 #
-# Copyright 2001  Free Software Foundation, Inc.
+# Copyright 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
@@ -35,6 +35,8 @@ AC_SUBST([GCC])
 
 # Checks for programs.
 AC_PROG_CC
+AM_PROG_LEX
+AC_PROG_YACC
 AC_MINIX
 AC_ISC_POSIX
 AM_PROG_CC_STDC
@@ -49,6 +51,9 @@ 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 +66,6 @@ if test "${enableval}" = yes; then
   BISON_WARNING(-Wshadow)
   BISON_WARNING(-Wstrict-prototypes)
   BISON_WARNING(-Wwrite-strings)
-  BISON_WARNING(-Werror)
 fi
 
 # Checks for libraries.
@@ -84,9 +88,10 @@ AM_C_PROTOTYPES
 AC_FUNC_ALLOCA
 AC_FUNC_OBSTACK
 AC_FUNC_ERROR_AT_LINE
+AC_FUNC_STRNLEN
 AC_CHECK_FUNCS(mkstemp setlocale)
-AC_CHECK_DECLS([stpcpy, strndup, strnlen, memchr])
-AC_REPLACE_FUNCS(stpcpy strndup strnlen strspn memchr)
+AC_CHECK_DECLS([stpcpy, strchr, strspn, strnlen, memchr, memrchr])
+AC_REPLACE_FUNCS(stpcpy strchr strspn memchr memrchr)
 jm_FUNC_MALLOC
 jm_FUNC_REALLOC
 jm_PREREQ_QUOTEARG