[linux-dvb] Re: help: compliation problems (Nova-T on redhat 9)

[Holger Waechtler <holger@convergence.de>]

John Pullan wrote:
> Hi I'm looking for some help to get my Nova-t card working. I've
> downloaded version 1.0.1 of the dvb code and tried to compiler it but I
> get the following error :
>
> make[4]: Entering directory `/home/jmp/cvs/DVB/driver/av7110'
> gcc -D__KERNEL__ -I/usr/src/linux-2.4.20-8/include -Wall
> -Wstrict-prototypes -Wno-trigraphs -O2 -fno-strict-aliasing -fno-common
> -fomit-frame-pointer -pipe -mpreferred-stack-boundary=2 -march=i686
> -DMODULE -DMODVERSIONS -include
> /usr/src/linux-2.4.20-8/include/linux/modversions.h -I.. -I.
> -DCONFIG_DVB_AV7110_OSD -MD -I../../include -nostdinc -iwithprefix
> include -DKBUILD_BASENAME=saa7146_core  -c -o saa7146_core.o
> saa7146_core.c
> In file included from saa7146_core.c:37:
> ../compat.h:37:1: warning: "video_usercopy" redefined
> In file included from
> /usr/src/linux-2.4.20-8/include/linux/modversions.h:297,
>                  from <command line>:1:
> /usr/src/linux-2.4.20-8/include/linux/modules/videodev.ver:10:1:
> warning: this is the location of the previous definition
> In file included from saa7146_core.c:37:
> ../compat.h:62:1: warning: "video_devdata" redefined
> In file included from
> /usr/src/linux-2.4.20-8/include/linux/modversions.h:297,
>                  from <command line>:1:
> /usr/src/linux-2.4.20-8/include/linux/modules/videodev.ver:8:1: warning:
> this is the location of the previous definition
> saa7146_core.c: In function `saa7146_core_command':
> saa7146_core.c:378: warning: passing arg 1 of
> `remap_page_range_R2baf18f2' makes pointer from integer without a cast
> saa7146_core.c:378: incompatible type for argument 4 of
> `remap_page_range_R2baf18f2'
> saa7146_core.c:378: too few arguments to function
> `remap_page_range_R2baf18f2'
>
> Could someone point out to me what I've done wrong?
are you using a RedHat system? If so please fetch a fresh kernel from 
http://www.kernel.org/, configure+build it and then build the DVB driver 
again. The kernels delivered with a Redhat distribution are heavily 
patched so that the version checks in the compatiblity workaround code fail.

As alternative you also might to try these issues manually, you'll have 
to adjust the version defines in compat.h so that the execute code 
matches the code in your kernel includes. But this is tricky and will 
cause some troubles if you are not experienced, so better fetch+install 
a clean+fresh kernel without proprietary patches.

Holger



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