[SCM] GNU Autoconf source repository branch, master, updated. v2.68-24-g5f6115b

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- Log -----------------------------------------------------------------
commit 5f6115b10db4a1b755394fbcef5923d81a4359e4
Author: Ralf Wildenhues <[email protected]>
Date:   Fri Jan 21 21:54:08 2011 +0100

    Fix LEXLIB and YYTEXT_POINTER with IRIX 6.5 flex 2.5.4.
    
    * lib/autoconf/programs.m4 (_AC_PROG_LEX_YYTEXT_DECL):
    Overquote nontrivial yyless argument, to compensate for
    underquoted macro definition in IRIX 6.5 flex 2.5.4
    leading to compile failure due to incompatible operands.
    Fixes Automake silent-lex-generic.test failure.
    
    Signed-off-by: Ralf Wildenhues <[email protected]>

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                |    9 +++++++++
 lib/autoconf/programs.m4 |    3 ++-
 2 files changed, 11 insertions(+), 1 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index c314e63..13594f1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2011-01-21  Ralf Wildenhues  <[email protected]>
+
+	Fix LEXLIB and YYTEXT_POINTER with IRIX 6.5 flex 2.5.4.
+	* lib/autoconf/programs.m4 (_AC_PROG_LEX_YYTEXT_DECL):
+	Overquote nontrivial yyless argument, to compensate for
+	underquoted macro definition in IRIX 6.5 flex 2.5.4
+	leading to compile failure due to incompatible operands.
+	Fixes Automake silent-lex-generic.test failure.
+
 2011-01-17  Ralf Wildenhues  <[email protected]>
 
 	docs: Tru64/OSF sh treats read as special builtin
diff --git a/lib/autoconf/programs.m4 b/lib/autoconf/programs.m4
index 0def8b2..fb3d8b9 100644
--- a/lib/autoconf/programs.m4
+++ b/lib/autoconf/programs.m4
@@ -724,7 +724,8 @@ a { ECHO; }
 b { REJECT; }
 c { yymore (); }
 d { yyless (1); }
-e { yyless (input () != 0); }
+e { /* IRIX 6.5 flex 2.5.4 underquotes its yyless argument.  */
+    yyless ((input () != 0)); }
 f { unput (yytext[0]); }
 . { BEGIN INITIAL; }
 %%


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