Hello Paul,
Apologies for the delay.
* Paul Eggert wrote on Thu, Oct 12, 2006 at 10:28:27PM CEST:
> Ralf Wildenhues <[EMAIL PROTECTED]> writes:
>
> > - [AC_TRY_COMPILE(, [signed char x; return !x;],
> > + [AC_TRY_COMPILE(, [signed char x; return !sizeof x;],
>
> Wouldn't this be a bit better, in the sense of catching
> more compilers that are a bit dodgy?
>
> [AC_TRY_COMPILE(, [signed char x = -127, y = 127; return ! (x < y);],
Yes, thank you. OK to apply, Bruno?
Cheers,
Ralf
* m4/signed.m4 (bh_C_SIGNED): Avoid uninitialized variable
warning.
Index: m4/signed.m4
===================================================================
RCS file: /cvsroot/gnulib/gnulib/m4/signed.m4,v
retrieving revision 1.5
diff -u -r1.5 signed.m4
--- m4/signed.m4 22 Sep 2006 20:10:26 -0000 1.5
+++ m4/signed.m4 17 Oct 2006 19:12:36 -0000
@@ -1,4 +1,4 @@
-# signed.m4 serial 2
+# signed.m4 serial 3
dnl Copyright (C) 2001-2002, 2006 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -9,7 +9,7 @@
AC_DEFUN([bh_C_SIGNED],
[
AC_CACHE_CHECK([for signed], bh_cv_c_signed,
- [AC_TRY_COMPILE(, [signed char x; return !x;],
+ [AC_TRY_COMPILE(, [signed char x = -127, y = 127; return ! (x < y);],
bh_cv_c_signed=yes, bh_cv_c_signed=no)])
if test $bh_cv_c_signed = no; then
AC_DEFINE(signed, ,
