From: Christopher Faylor <cgf@redhat.com>
To: cygwin@cygwin.com
Subject: Re: duplicate regexec/regcomp functions detected
Date: Thu, 27 Dec 2001 10:21:00 -0000 [thread overview]
Message-ID: <20011227174239.GA24897@redhat.com> (raw)
In-Reply-To: <000401c18efb$18115890$0e6307d5@BRAMSCHE>
On Thu, Dec 27, 2001 at 06:22:43PM +0100, Ralf Habacker wrote:
>> -----Original Message-----
>> From: cygwin-owner@cygwin.com [mailto:cygwin-owner@cygwin.com]On Behalf
>> Of Corinna Vinschen
>> Sent: Friday, December 14, 2001 11:36 AM
>> To: cygwin
>> Subject: Re: duplicate regexec/regcomp functions detected
>>
>>
>> On Thu, Dec 13, 2001 at 09:18:39PM +0100, Ralf Habacker wrote:
>> > Hi all,
>> >
>> > kde needs the regexp functions regexec and regcomp.
>> >
>> > The cygwin lib contains the System V8 function call style, while the pcre
>> package (pcreposix)
>> > provides another style (the system V style I guess). The problem is now, that both libs
>> > supports the same names for regexec and regcomp but with different
>> parameter/return types.
>> > This results sometimes in execution failures if the libs are not in the right order like
>> > shown in the following example.
>> >
>> > pcre regexp wanted
>> >
>> > $ gcc ... -lpcreposix -lcygwin -> okay
>> >
>> > $ gcc ... -lpthreads|-lm|-lc -lpcreposix -lcygwin -> failure: the functions in
>> cygwin lib
>> > are used
>>
>> But that order should never happen EXCEPT you're making the big
>> mistake to give `-lm' or `-lc' on the command line explicitly.
>> Since -lcygwin is appended automagically and libc.a and libm.a
>> are the same library anyway, the answer is simply, "Don't do that."
>
>This may be for -lm and -lc, but what about libpthread
>
>Think about this link line:
>
>gcc -o test -lpthread main.o [-lcygwin]
>
>This will result in multiple defined symbols for WinMain (expected that
>main.o contains a main function). You can say don't do this, but what
>about bigger packages like qt. The qt configuring process does only
>allow like the above link line.
The above link line makes no sense. It is wrong. It should be
corrected.
cgf
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next prev parent reply other threads:[~2001-12-27 17:42 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-12-13 12:48 Ralf Habacker
2001-12-14 2:40 ` Corinna Vinschen
2001-12-27 10:20 ` Ralf Habacker
2001-12-27 10:21 ` Christopher Faylor [this message]
2001-12-28 5:21 ` Ralf Habacker
2001-12-28 5:22 ` Robert Collins
2001-12-28 10:17 ` Christopher Faylor
2001-12-29 12:43 ` Ralf Habacker
2001-12-30 5:03 ` Christopher Faylor
2001-12-30 7:34 ` Ralf Habacker
2001-12-30 11:56 ` Christopher Faylor
2001-12-31 11:19 ` Ralf Habacker
2002-01-01 7:07 ` Corinna Vinschen
2002-01-01 16:00 ` Ralf Habacker
2002-01-02 2:04 ` Corinna Vinschen
2002-01-02 2:11 ` Ralf Habacker
2001-12-29 14:15 ` Ralf Habacker
2001-12-29 16:40 ` Ralf Habacker
2001-12-30 14:35 ` Christopher Faylor
2001-12-30 16:42 ` Christopher Faylor
2001-12-31 1:16 ` Christopher Faylor
2001-12-31 2:42 ` Ralf Habacker
2001-12-31 11:06 ` Christopher Faylor
2001-12-31 12:04 ` Ralf Habacker
2001-12-31 14:12 ` Christopher Faylor
[not found] <01df01c19259$1cbb8300$0200a8c0@lifelesswks>
2002-01-01 6:27 ` Ralf Habacker
2002-01-01 9:26 ` Christopher Faylor
2002-01-01 9:53 ` Corinna Vinschen
2002-01-01 10:30 ` Christopher Faylor
2002-01-01 13:56 ` Ralf Habacker
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