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From: Dave Korn <dave.korn.cygwin@gmail.com>
To: cygwin@cygwin.com
Subject: Re: Problems with updating nearly any package meant for Cygwin or using packages such as libtool
Date: Thu, 17 Nov 2011 20:38:00 -0000	[thread overview]
Message-ID: <4EC570BC.2010202@gmail.com> (raw)
In-Reply-To: <4EC56FB1.4000007@gmail.com>

On 17/11/2011 20:33, Dave Korn wrote:
> On 17/11/2011 13:00, marco atzeri wrote:
> 
>> the problem is that the configure scripts incorrectly looks for
>> libpcre.so that on cygwin is called differently:
>>
>> /usr/bin/cygpcre-0.dll
>>
>> so you need to modify the configure accordingly or
>> remove the test and leave only the check for "pcre.h"
>>
>> same for libidn     /usr/bin/cygidn-11.dll
>>
>> libpq     /usr/bin/cygpq.dll
>>
>> and so on.
>> These are upstream bugs in configure, looking for the lib
>> is wrong as different platforms have different conventions.
>> They should only look for the header.
> 
>   Well, they could look for the lib too, as long as they used the correct
> autoconf macro (AC_CHECK_LIB or AC_SEARCH_LIB) to do so.  


  Whoops, no they can't.  The hydra configure script isn't from autconf at
all; it's just hand-written.

  Well, at least it serves as an object lesson in why you shouldn't do that
(see also: reinventing the wheel, NIH syndrome).

    cheers,
      DaveK

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  reply	other threads:[~2011-11-17 20:38 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-15 19:28 viper_88
2011-11-15 20:46 ` Larry Hall (Cygwin)
2011-11-16 19:34   ` viper_88
2011-11-16 20:01     ` marco atzeri
2011-11-17 12:15       ` viper_88
2011-11-17 13:00         ` marco atzeri
2011-11-17 20:34           ` Dave Korn
2011-11-17 20:38             ` Dave Korn [this message]
2011-11-17 18:50         ` Andrey Repin
2011-11-16 20:05     ` Jesse Ziser
2011-11-16 20:41       ` Tim Prince
2011-11-16 20:12     ` Christopher Faylor

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