[R-sig-Fedora] rgl

[Martyn Plummer]

On Thu, 2017-01-12 at 12:45 +0000, Weiner, Michael wrote:
> -----Original Message-----
> From: Martyn Plummer [mailto:plummerm at iarc.fr] 
> Sent: Thursday, January 12, 2017 7:41 AM
> To: Weiner, Michael <weinerm at ccf.org>; r-sig-fedora at r-project.org
> Subject: Re: [R-sig-Fedora] rgl
> 
> > 
> > > 
> > > configure:4429: checking for glEnd in -lGL
> > > configure:4454: gcc -o conftest -g -O2  -DHAVE_PNG_H
> > > -I/usr/include/libpng16  conftest.c -lGL   -L/usr/lib64 -lpng16
> > > -lX11
> > > > 
> > > > &5
> > > /usr/bin/ld: cannot find -lGL
> > 
> > Well that is odd. It means that the linker cannot find libGL even
> > though it is installed on the system. Try 
> > 
> > /sbin/ldconfig -p | grep libGL.so
> > 
> > You should see something like this.
> > 
> > [martyn at braque-iarc-lan minutes]$ /sbin/ldconfig -p | grep libGL.so
> > 	libGL.so.1 (libc6,x86-64) => /lib64/libGL.so.1
> > 	libGL.so.1 (libc6) => /lib/libGL.so.1
> > 	libGL.so (libc6,x86-64) => /lib64/libGL.so
> 
> Odd:
> 
> [root at lri-105689 rgl]# /sbin/ldconfig -p | grep libGL.so
>         libGL.so.1 (libc6,x86-64) => /lib64/libGL.so.1
>         libGL.so.1 (libc6) => /lib/libGL.so.1
>         libGL.so (libc6) => /lib/libGL.so

Yours is not quite the same. I have a link to the 64-bit version of
libGL.so, but you don't. Your link is to the 32-bit version (i.e.
without the qualifier x86-64 in brackets) which you have removed. This
means your linker cache is out of date.

Try /sbin/ldconfig as root (or with sudo) and it should resolve.

Martyn

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