I've installed Debian 3.0 + compile new kernel - 2.4.20. If I want to compile drivers to Kyro 2 (Hercules 4500) from
www.powervr.com it doesn't work:

cc -O2 -DMODULE -DMODVERSIONS -include /usr/src/linux/include/linux/modversions.h -D__KERNEL__ -I/usr/src/linux/include -DLINUX -DGCC_IA32 -DSUPPORT_AGP -Idrm -c -o hostfunc.o hostfunc.c
hostfunc.c: In function `InitializeAGP':
hostfunc.c:1612: `MTRR_TYPE_WRCOMB' undeclared (first use in this function)
hostfunc.c:1612: (Each undeclared identifier is reported only once
hostfunc.c:1612: for each function it appears in.)
make: *** [hostfunc.o] Error 1

I try it everething I think. I've found on iNet the same problem, but in spanish . Pls help. Milan
ICQ: 135131975

i wrote to powervr.com with still no answer....if you find anything message me please

Did you check that /usr/src/linux is a symbolic link to the directory where the kernel sources are stored? I don't know if you used a debian kernel package!

I think I had the same problem and editing the make file did it for me (which should be the same as sym-link to your kernel source dir), at least for a 2.4.18 custom kernel.

Maybe this helps.

I have solved the problem. My problem was, I hadn't support of MTRR support (memory type range register) in kernel. In 2.4.20 it's in submenu Processor type end features.
So I had to compile Kernel with this support and after that KYRO worked without any problem. Actually I've problem with logon. I can't logon to KDE directly. It writes something like: ".... caught signal 11" on start. So I remove from /etc/rc2.d kdm and xdm a I logon to text console. After logon I start KDE with startx.