Bug 157520

Summary: make dep breaks build
Product: Red Hat Enterprise Linux 3 Reporter: Colin Leroy <colin.leroy>
Component: kernelAssignee: Ernie Petrides <petrides>
Status: CLOSED WORKSFORME QA Contact: Brian Brock <bbrock>
Severity: medium Docs Contact:
Priority: medium    
Version: 3.0CC: petrides, shillman, thomas.petazzoni
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OS: Linux   
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Last Closed: 2005-06-03 23:59:42 UTC Type: ---
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Description Flags
Rules.make patch to fix that. none

Description Colin Leroy 2005-05-12 08:52:27 UTC 
Description of problem:
If you issue a `make dep` after make config (or oldconfig), the
include/linux/modversions.h file is incorrectly regenerated. It misses the
rhconfig.h include.

Version-Release number of selected component (if applicable):
# cat /etc/redhat-release
Red Hat Enterprise Linux ES release 3 (Taroon)
# rpm -q kernel-source
kernel-source-2.4.21-15.0.3.EL
kernel-source-2.4.21-27.0.2.EL


How reproducible:
Always

Steps to Reproduce:
1.make oldconfig
2.make dep
3.make bzImage
  
Actual results:
Various strange build errors.

Expected results:
A shiny new kernel...

Additional info:
Comment 1 Colin Leroy 2005-05-12 08:52:27 UTC 
Created attachment 114285 [details]
Rules.make patch to fix that.
Comment 3 Colin Leroy 2005-05-23 15:18:21 UTC 
Hi,

nothing new about this?
Comment 4 Ernie Petrides 2005-05-23 20:06:00 UTC 
Not yet.  Obviously, "make dep" works fine in our internal build
environment.  I just need to track down what's different.
Comment 5 Colin Leroy 2005-05-23 20:12:35 UTC 
Ok; don't hesitate on bugging me for more information!
Thanks.
Comment 6 Ernie Petrides 2005-06-03 23:59:42 UTC 
Hi, Colin.

The correct build-from-source procedure is as follows:

  1) make mrproper
  2) cp configs/kernel-2.4.21-i686-smp.config .config  [or some other config]
  3) make oldconfig
  4) make dep
  5) make bzImage
  6) make modules

The Rules.make patch that you proposed in comment #1 does not work in our
build environment because include/linux/rhconfig.h does not exist.  Rather,
it is fabricated by the kernel spec file during kernel-source-* RPM builds.

Once you run "make dep", many things specific to the kernel-source-* RPM
(e.g., the funky include/linux/modules/*.ver files) are overwritten, and
thus you are forced to use the full build (from scratch) procedure above.

Cheers.  -ernie