linux-libc-headers-2.6.17

linux-libc-headers-2.6.17

[sathesh babu]

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Hi,
     I would like build toolchain to port Linux-2.6.17 kernel on MIPS 
processor.
    Can you please tell me where can i get linux-libc-headers-2.6.17.0 
sources to build toolchain using buildroot.
   
  Has anybody built toolchain for Linux-2.6.17 kernel ver.
   
  Regards,
  Sathesh
   

 				
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Re: linux-libc-headers-2.6.17

[Jim Wilson]

On Wed, 2006-09-20 at 10:18 +0100, sathesh babu wrote:
>     Can you please tell me where can i get
> linux-libc-headers-2.6.17.0 

There is probably no such package.  The linux headers are part of the
linux kernel sources, and the glibc headers are part of the glibc
sources.  Both have convenient makefile targets so that you can install
the headers when starting a build.

Some distro vendors may extract out these headers into a separate
package for convenience.  In that case, you either get the package from
the distro vendor, or if they don't have the package you are looking
for, you make it yourself.

I'd suggest looking at Dan Kegel's crosstool package, which provides
scripts showing how to do a build from scratch.  There is a pointer to
it on the www.linux-mips.org wiki.  See
    http://www.linux-mips.org/wiki/Toolchains
-- 
Jim Wilson, GNU Tools Support, http://www.specifix.com

Re: linux-libc-headers-2.6.17

[Jim Gifford]

Jim Wilson wrote:
> I'd suggest looking at Dan Kegel's crosstool package, which provides
> scripts showing how to do a build from scratch.  There is a pointer to
> it on the www.linux-mips.org wiki.  See
>     http://www.linux-mips.org/wiki/Toolchains
>   
Actually my Cross-LFS team has created a sanitation script to clean the 
headers, you can get the script from http://headers.cross-lfs.org, or 
you can download a bundle from http://ftp.jg555.com/headers

Re: linux-libc-headers-2.6.17

[sathesh babu]

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Hi Jim,
     Thanks alot.
Does http://ftp.jg555.com/headers/ site already have sanitized headers?. 
  That means can i use http://ftp.jg555.com/headers/linux-headers-2.6.17.tar.bz2 sources as sanitized headers to build toolchain for Linux-2.6.17.
   
  If Yes, can i directly use these sources in buildroot to build the toolchain?
   
  Regards,
  Sathesh  
  
Jim Gifford <maillist@jg555.com> wrote:
  Jim Wilson wrote:
> I'd suggest looking at Dan Kegel's crosstool package, which provides
> scripts showing how to do a build from scratch. There is a pointer to
> it on the www.linux-mips.org wiki. See
> http://www.linux-mips.org/wiki/Toolchains
> 
Actually my Cross-LFS team has created a sanitation script to clean the 
headers, you can get the script from http://headers.cross-lfs.org, or 
you can download a bundle from http://ftp.jg555.com/headers



 				
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Re: linux-libc-headers-2.6.17

[sathesh babu]

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Hi Jim,
      
I have downloaded 2.6.18 sanitized headers from the following link which was suggested by you.
  http://ftp.jg555.com/headers 
   
  I am trying to build the toolchain for MIPS for linux-2.6.18 kernel using these headers and uClibc-0.9.28 and gcc-3.4.3.
  When i tried to compile busybox-1.00 i get the following error 
  "undefined reference to `getpageshift' ".
   
  Then i searched in the mailing list and found your article
  http://linuxfromscratch.org/pipermail/lfs-dev/2006-July/057591.html
   
  I added the following definition for getpageshift(), suggested in the above link in the asm-mips/page.h file
   
   Here is a santized version
> #define PAGE_SIZE       (getpagesize())
> static __inline__ int getpageshift()
> {
>     int pagesize = getpagesize();
>     return (__builtin_clz(pagesize) ^ 31);
> }

  I am not able to find definition for getpagesize().Can you please help me finding the definition for same. Is it in kernel or in userland?.
   
  BTW:
   
    I tried the same thing on Linux-2.6.17.13. I could build the toolchain by modifying the page.h as mentioned above. I could build the images for both Linux-2.6.17.13 and root file system for MIPS processor.But when i tried to execute any command pointing to busybox i was getting kernel crash.
   
  When i tried to debug this issue i found that "asm/page.h" file is included in some of the files in the busybox.
   
  Is this crash because of getpageshift() which is defined in asm-mips/page.h.?.
   
  What is the expected output of getpagesize()?.
   
  Could you advise a solution for this?.
   
   
  Regards,
  Sathesh
   
   
  
Jim Gifford <maillist@jg555.com> wrote:
  Jim Wilson wrote:
> I'd suggest looking at Dan Kegel's crosstool package, which provides
> scripts showing how to do a build from scratch. There is a pointer to
> it on the www.linux-mips.org wiki. See
> http://www.linux-mips.org/wiki/Toolchains
> 
Actually my Cross-LFS team has created a sanitation script to clean the 
headers, you can get the script from http://headers.cross-lfs.org, or 
you can download a bundle from http://ftp.jg555.com/headers




 				
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