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Date: Wed, 13 Jun 2001 12:17:30 -0400
From: Christopher Faylor <cgf AT redhat DOT com>
To: cygwin-apps AT cygwin DOT com
Subject: Re: ask for delivering cygwin 1.1.8 with kde 1.1.2
Message-ID: <20010613121730.B7791@redhat.com>
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References: <000901c0f3f4$413954e0$6e032bb7 AT BRAMSCHE> <011801c0f3f8$7f2034f0$0200a8c0 AT lifelesswks>
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In-Reply-To: <011801c0f3f8$7f2034f0$0200a8c0@lifelesswks>; from robert.collins@itdomain.com.au on Wed, Jun 13, 2001 at 09:03:36PM +1000

On Wed, Jun 13, 2001 at 09:03:36PM +1000, Robert Collins wrote:
>>2.  applications or linbs linked with cygwin 1.3.2 like ncurses
>>reference a pointer "check_for_executable" used by the method
>>path_conv::exec_state().  This isn't available under cygwin 1.1.8.  So
>>if one application or lib is linked with cygwin 1.3.2 it will never
>>runs under cygwin 1.1.8.  Especially in deep nested applications like
>>kde this wilkl produced much support problems.
>>
>>It is not possible to put this var into the structure pointed by the
>>impure_ptr (or somewhere else) to prevent such incompatibility ?
>
>It's only incompatible if you are running a compiled-on-cygwin-1.3.2
>binary on a cygwin-1.1.8 system.  That's like running a glibc 2.2
>compiled binary ona glibc 2.1 system.  There's no reason to expect that
>to work.  Personally I don't think that the cygwin list should have to
>compile ncurses for 1.1.8, once 1.3.2 is released.  Remember: backwards
>compatability means running old binaries still works with newer
>Cygwin's, not newer binaries work on old cygwin's.  Still if the cause
>of that symbols use can be hidden, I see no problem with you providing
>a patch.

The check_for_executable global is actually not used in 1.3.2.  This
was a 1.3.1 thing.  It should eventually disappear.  There is no
need for a patch.

cgf