[Xcb] pthread-stubs pthread_* declaration conflict [was: passing -lpthread for pthread-stubs]

[Vincent Torri]

On Mon, 18 Apr 2011, Samuel Thibault wrote:

> Vincent Torri, le Mon 18 Apr 2011 15:17:15 +0200, a écrit :
>> On Mon, 18 Apr 2011, Samuel Thibault wrote:
>>
>>> Vincent Torri, le Mon 18 Apr 2011 14:48:42 +0200, a écrit :
>>>> ok. Though i was thinking that we needed to check if pthread was available
>>>> in configure stuff to decide what to do:
>>>>
>>>> AC_CHECK_FUNCS(funclist, [], [PKG_CONFIG_LIBS='-L${libdir}
>>>> -lpthread-stubs'])
>>>>
>>>> funclist being he funtions described in list.m4. If you want to check
>>>> these functions, you have to provide:
>>>> * the path for the header pthread.h
>>>> * the path and the name for the library.
>>>
>>> Again, the whole point of pthread-stubs is not to detect what is
>>> available through linking normally with libpthread, but to detect what
>>> is not available *without* linking with libpthread.
>>
>> is available with foo
>>
>> is equivalent to
>>
>> ! (is not available without foo)
>
> Nope.

learn logic stuff

>
>> If you don't pass -lpthread, then there will be *always* undef ref when
>> using AC_CHECK_FUNCS(),
>
> Nope.

why you say no as I mention when there is no undef just after ? Just to 
contradict me ?

>
>> unless pthread stuff is in the libc.
>
> Yes, and that's the _*WHOLE*_ point of libpthread-stubs.
>
> Did you actually read README?

i'm currently at work so I can't right now. I stop dicussing with you.