Bug 18031 – modified linux-headers that can be used to build a cross compile tool chain

• Status: RESOLVED FIXED
• Product: Gentoo Linux

[Description James Boddington (RETIRED) 2003-03-23 04:21:06 UTC]

This is a patch for linux-headers-2.4.20 that allows the headers to be installed as normal  
or in/usr/$CCHOST/include for a cross compiler tool chain. 
 

Reproducible: Always
Steps to Reproduce:
1. emerge linux-headers  
    Puts the kernel headers in /usr/include/{asm,linux} 
2. CCHOST=sparc-unknown-linux-headers emerge linux-headers 
    Puts the headers is /usr/$CCHOST/include/{asm,linux} 
    This is suitable for a cross tool chain prefix of /usr 



This was not intented for here but I could never get this ebuild to put the sparc asm  
files in include/asm, only in include/sparc or include/sparc64 so I redid a lot of src_install().  
When running make oldconfig it is possible to get the correct asm link put in place with 
 
yes "" | make ARCH=sparc oldconfig 
 
This saves guesing which asm directory to copy. Just copy include/asm/* to  
${D}/usr/include/asm.

[Comment 1 James Boddington (RETIRED) 2003-03-23 04:22:34 UTC]

Created attachment 9714 [details, diff]
path for linux-headers-2.4.20

[Comment 2 Zach Welch (RETIRED) 2003-03-23 13:26:01 UTC]

This ebuild has my full endorsement.  I had made a change to the kernel.eclass
to fix the headers source directory in the same fashion; it seems that such
a change is correct.

[Comment 3 Martin Schlemmer (RETIRED) 2003-03-23 13:34:45 UTC]

Looks fine to me as well.  Commit a ~ version that can be tested.

[Comment 4 James Boddington (RETIRED) 2003-03-23 23:22:03 UTC]

Created attachment 9747 [details, diff]
less radical modification to the ebuild

Changes have been made to the main linux-headers so that a less radical change
seems to be needed for me to get the appropriate headers for sparc.

[Comment 5 James Boddington (RETIRED) 2003-04-05 20:51:59 UTC]

Created attachment 10242 [details]
linux-headers-2.4.20

This time I included the complete ebuild. I was based it on
linux-headers-2.4.20. The linux-headers-2.4.20.ebuild has since been removed.

[Comment 6 Zach Welch (RETIRED) 2003-04-20 02:28:29 UTC]

Created attachment 10897 [details, diff]
kernel.eclass.patch

Here's a patch for the kernel.eclass, diff'd against current cvs.

[Comment 7 James Boddington (RETIRED) 2003-06-10 01:02:48 UTC]

The kernel.eclass I have been using is very simillar. Any -headers ebuild that uses 
kernel.eclass does not need any modifications for the headers to be moved to the 
correct location when building a cross tool chain. Saves having to modify each 
-headers ebuilds. 

[Comment 8 Jason Cox (RETIRED) 2004-04-08 18:42:56 UTC]

With the addition of kernel-2.eclass is this still necessary? Or have the changes been made already?

[Comment 9 Jason Cox (RETIRED) 2004-04-09 09:50:50 UTC]

The kernel eclasses already take care of this. Marking as fixed.