Re: CVS compile issue

[Raymond <rayau@netvigator.com>]

Takashi Iwai wrote:
> At Thu, 11 Aug 2005 19:17:12 +0800,
> Raymond wrote:
> 
>>There is a "division by zero" warning for drivers which include
>>"driver.h" on Kernel 2.4
>>
>>
>>gcc32 -D__KERNEL__ -DMODULE=1 -I/alsa/cvs/alsa-driver/include
>>-I/lib/modules/2.4.22-1.2199.nptl/build/include -O2
>>-mpreferred-stack-boundary=2 -march=i686 -DLINUX -Wall
>>-Wstrict-prototypes -fomit-frame-pointer -Wno-trigraphs -O2
>>-fno-strict-aliasing -fno-common -pipe -DALSA_BUILD -nostdinc
>>-iwithprefix include -DMODVERSIONS -include
>>/lib/modules/2.4.22-1.2199.nptl/build/include/linux/modversions.h
>>-DKBUILD_BASENAME=intel8x0   -c -o intel8x0.o intel8x0.c
>>In file included from /alsa/cvs/alsa-driver/include/sound/driver.h:42,
>>                  from intel8x0.c:29:
>>/alsa/cvs/alsa-driver/include/adriver.h: In function `jiffies_to_msecs':
>>/alsa/cvs/alsa-driver/include/adriver.h:639: warning: division by zero
> 
> 
> Is it the line:
> 	else if (HZ > 1000 && !(HZ % 1000))
> ==>		return (j + (HZ / 1000) - 1)/(HZ / 1000);
> 
> ??  

Yes

 > Where HZ is defined/declared in your kernel?
> 

Fedora Core 1

/usr/src/linux/include/asm/param.h


#ifndef HZ
#define HZ 100
#endif



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