Re: [Plib-users] ./configure opengl problem

[Steve B. <sjb...@ai...>]

McEvoy, Nick wrote:

> But I've hit a problem (already) trying to build plib-1.6.0 !
> 
> I have installed required software eg. opengl & glut3.7 ... but ./configure says "configure: error: could not find working GL library" ... whats going on ?
> 
> (nb. I installed XFree86-devel ... the RPM says it provides Mesa-devel ... I seem to have all the right libraries)
> ----- my error  -----
> ./configure --with-GL=/usr
               ^^^^^^^^^^^^^^
                  Why this?

> /usr/X11R6/lib/libGL.a(glthread.o): In function `_glthread_InitTSD':
> glthread.o(.text+0x28): undefined reference to `pthread_key_create'

It seems to be missing Pthreads (-lpthread)

Some versions of Mesa need it - and are not pre-linked with it...so
OpenGL applications under Linux are recommended to link to pthreads
even if they don't explicitly need it.

I've never seen this be a problem with ./configure though.

Does a straight "./configure" without the "--with-GL=/usr" work?

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