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Date: Tue, 13 Dec 2011 10:45:08 -0800
Message-ID: <CAGVbXL6772ds2XcDyJuz9PB76h4Crv_S1RmgF3RATcqcvTm_zA@mail.gmail.com>
Subject: Re: cyg*.dll, linking
From: Brian Craft <bcboy AT thecraftstudio DOT com>
To: cygwin AT cygwin DOT com
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On Tue, Dec 13, 2011 at 10:24 AM, Ryan Johnson wrote:
> On 13/12/2011 1:16 PM, Brian Craft wrote:
>>
>> I'm building a few libraries which are dependencies of a program I'm
>> building. Most of them build via autotools. Doing "make install"
>> installs files *.a, *.la, *.dll.a. Linking the executable succeeds
>> without error, however when running it, the loader complains that it
>> can't find cyg*.dll files. E.g. if it was libfoo.a that was installed,
>> the executable wants cygfoo-6.dll to run.
>>
>> These cyg-*.dll files exist in the build directories, generally in
>> src/.libs . The program will run if I add all of these to the PATH.
>>
>> Seems like either the link or the install isn't working as it should.
>> Are there docs anywhere that explain how this is supposed to work?
>
> The lib*.a file is a stub which allows proper linking of the actual dll
> (exporting symbols, etc.). Linking against it doesn't remove the need to
> have the cyg*.dll available at runtime.
>

Ok, but why don't autotools know about this? And why don't I see
cyg*.dll files, for example, in /usr/lib?

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