You can run configure with the option --with-glversion=1.5 which might help.  It is very odd that just one of the functions out of dozens supporting shaders is not found though.

On 4/17/07, Miller Puckette <mpuckett@imusic1.ucsd.edu> wrote:
Hi all,

I've been trying to compile and run Gem on my Fedora 5 box, i386, clean
install, on-board Intel graphics.  Gem fails to load complaining as follows:

$ pd/bin/pd -nogui -lib Gem/src/Gem
./Gem/src/Gem.pd_linux: ./Gem/src/Gem.pd_linux: undefined symbol:
+glGetShaderInfoLog
Gem/src/Gem: can't load library

Gem works fine on another machine I'm using with the proprietry nvidia
driver.  Is there a way to either: (1) install the "GLX shader" extension
on generic hardware, or (2) compile Gem with "shading" disabled?

thanks
Miller


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