-Wempty-rule: diagnose empty rules without %empty

[bison.git] / m4 / flex.m4

diff --git a/m4/flex.m4 b/m4/flex.m4
index 984c5143e4b73bac3d52b2bed2640b7363049a7d..6f8530aecbbb2e059aaba95aa160dedca5cd6f28 100644 (file)
--- a/m4/flex.m4
+++ b/m4/flex.m4
@@ -1,5 +1,5 @@
 # flex.m4 serial 2
-# Copyright (C) 2012 Free Software Foundation, Inc.
+# Copyright (C) 2012-2013 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -78,7 +78,7 @@ if test -z "${LEXLIB+set}"; then
     for ac_lib in '' -lfl -ll; do
       LIBS="$ac_lib $ac_save_LIBS"
       AC_LINK_IFELSE([AC_LANG_DEFINES_PROVIDED[`cat $LEX_OUTPUT_ROOT.c`]],
-       [ac_cv_lib_lex=$ac_lib])
+        [ac_cv_lib_lex=$ac_lib])
       test "$ac_cv_lib_lex" != 'none needed' && break
     done
     LIBS=$ac_save_LIBS
@@ -104,8 +104,8 @@ LIBS=$ac_save_LIBS
 dnl
 if test $ac_cv_prog_lex_yytext_pointer = yes; then
   AC_DEFINE([YYTEXT_POINTER], [1],
-           [Define to 1 if `lex' declares `yytext' as a `char *' by default,
-            not a `char[]'.])
+            [Define to 1 if `lex' declares `yytext' as a `char *' by default,
+             not a `char[]'.])
 fi
 rm -f conftest.l $LEX_OUTPUT_ROOT.c
 ])# _AC_PROG_LEX_YYTEXT_DECL