Mail Archives: cygwin/2006/12/01/08:43:36
--------------060701040307060008070404
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
According to Bob Rossi on 12/1/2006 5:28 AM:
>>> And the fact that you are now telling configure the truth that you are
>>> cross-compiling, even though the cross binaries are executable, may be
>>> enough for autoconf to try harder for discovering how AC_CHECK_SIZEOF
>>> should behave without tripping up on line endings (and if that is not
>>> the case, maybe we should consider patching autoconf to make it happen
>>> that way).
>> Or have autoconf use some other tool that does not do binary processing
>> (e.g., awk or tr) instead of cat, which would enable the text mount
>> solution.
>
> I really think this is the current best solution, that is, to modify
> autoconf to not use cat. Either that, or simply don't put the \n in the
> AC_CHECK_SIZEOF macro. I'm not sure why that is done in the first place.
Avoiding the troublesome line ending seems best to me.
> If
> fprintf(f, "%d\n", sizeof($1));
> was changed to
> fprintf(f, "%d", sizeof($1));
> I think it would fix the problem.
>
> Well, I downloaded the autoconf sources, but couldn't find the
> AC_CHECK_SIZEOF code. I did find it in /usr/share/autoconf, but when I
> modify it, the system autoconf behavior doesn't change. Any ideas?
Patch below. Keep replies on the autoconf-patches list.
2006-12-01 Eric Blake <ebb9 AT byu DOT net>
* lib/autoconf/c.m4 (AC_LANG_INT_SAVE): Avoid newline, to aid in
cross-compiling from cygwin to mingw.
Reported by Bob Rossi.
- --
Life is short - so eat dessert first!
Eric Blake ebb9 AT byu DOT net
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.5 (Cygwin)
Comment: Public key at home.comcast.net/~ericblake/eblake.gpg
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
iD8DBQFFcDFp84KuGfSFAYARAtT8AJ0Y//kEEtgJ+IfEwPxpiffBFj4hLwCgwurT
8aHWGq0bRfQSCQDp8Yw7i2I=
=Lv51
-----END PGP SIGNATURE-----
--------------060701040307060008070404
Content-Type: text/plain;
name="autoconf.patch27"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline;
filename="autoconf.patch27"
Index: lib/autoconf/c.m4
===================================================================
RCS file: /sources/autoconf/autoconf/lib/autoconf/c.m4,v
retrieving revision 1.240
diff -u -p -r1.240 c.m4
--- lib/autoconf/c.m4 28 Nov 2006 00:26:45 -0000 1.240
+++ lib/autoconf/c.m4 1 Dec 2006 13:36:23 -0000
@@ -284,14 +284,14 @@ static unsigned long int ulongval () { r
long int i = longval ();
if (i != ($2))
return 1;
- fprintf (f, "%ld\n", i);
+ fprintf (f, "%ld", i);
}
else
{
unsigned long int i = ulongval ();
if (i != ($2))
return 1;
- fprintf (f, "%lu\n", i);
+ fprintf (f, "%lu", i);
}
return ferror (f) || fclose (f) != 0;
])])
--------------060701040307060008070404
Content-Type: text/plain; charset=us-ascii
--
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
Problem reports: http://cygwin.com/problems.html
Documentation: http://cygwin.com/docs.html
FAQ: http://cygwin.com/faq/
--------------060701040307060008070404--
- Raw text -