Date: Mon, 1 Jul 2002 18:59:38 +0200 From: Marcus Meissner <marcus@jet.franken.de> To: Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> Cc: Scott Bolte <listS+freebsd-questions@niss.com>, freebsd-questions@freebsd.org, freebsd-emulators@freebsd.org, wine-devel@winehq.com Subject: Re: heads up: wine 20020605 broken on FreeBSD, workaround included Message-ID: <20020701185938.A20061@jet.franken.de> In-Reply-To: <Pine.BSF.4.44.0207011602370.52277-100000@naos.dbai.tuwien.ac.at>; from pfeifer@dbai.tuwien.ac.at on Mon, Jul 01, 2002 at 04:18:47PM %2B0200 References: <200207011338.g61DcQ601786@crag.niss.com> <Pine.BSF.4.44.0207011602370.52277-100000@naos.dbai.tuwien.ac.at>
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On Mon, Jul 01, 2002 at 04:18:47PM +0200, Gerald Pfeifer wrote:
> [ I'm now also Cc:ing this to the Wine developers, thus the full-quote.
> In fact, all non-GLIBC platforms seem to be affected by this bug! ]
>
> Based on your pointer, I believe I found the problem. In aclocal.m4 we
> have:
>
> AC_DEFUN([WINE_CHECK_ERRNO],
> [AC_CACHE_CHECK([for reentrant libc: $1],[wine_cv_libc_r_$1],
> [AC_TRY_RUN([int myerrno = 0;
> char buf[256];
> int *$1(){return &myerrno;}
> main(){connect(0,buf,255); exit(!myerrno);}],
> wine_cv_libc_r_$1=yes, wine_cv_libc_r_$1=no,
> wine_cv_libc_r_$1=yes)])
> AS_IF([test "$wine_cv_libc_r_$1" = "yes"],[$2],[$3])])
>
> which, in configure, becomes:
>
> int myerrno = 0;
> char buf256;
> int *__error(){return &myerrno;}
> main(){connect(0,buf,255); exit(!myerrno);}
>
> That is, instead of an array of 256 characters, we have one character,
> and the invocation of connect() is definitely incorrect.
>
> Could someone more familiar with autoconf please have a look at this?
The [256] is evaluated and replaced by 256 by m4. So this is not a glibc,
but an autoconf problem.
What is the autoconf version used there?
Ciao, Marcus
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