lkml.org 
[lkml]   [2005]   [Jul]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: Build TAGS problem with O=
George Anzinger wrote:
> If you try:
> make O=/usr/src/ver/2.6.13-rc/obj/ -j5 LOCALVERSION=_2.6.13-rc TAGS
> ARCH=i386
>
> it fails with:
> MAKE TAGS
> find: security/selinux/include: No such file or directory
> find: include: No such file or directory
> find: include/asm-i386: No such file or directory
> find: include/asm-generic: No such file or directory
>
>
> The problem seems to be this bit of the topdir Makefile:
>
>
> #We want __srctree to totally vanish out when KBUILD_OUTPUT is not set
> #(which is the most common case IMHO) to avoid unneeded clutter in the
> big tags file.
> #Adding $(srctree) adds about 20M on i386 to the size of the output file!
>
> ifeq ($(KBUILD_OUTPUT),)
> __srctree =
> else
> __srctree = $(srctree)/
> endif
>
> It would appear that the "ifeq ($(KBUILD_OUTPUT),)" is doing the wrong
> thing. I am not a make expert, but I have had a lot of BAD experience
> trying to use this construct. Any one up to proposing a fix?
>
The problem appears to be that KBUILD_OUTPUT is NOT defined after make reruns
itself. Here is a fix:

Signed-off-by: George Anzinger <george@mvista.com>

--- /usr/src/linux-2.6.12-org/Makefile 2005-07-01 14:37:44.000000000 -0700
+++ /usr/src/linux-2.6.13-rc/Makefile 2005-07-05 19:45:00.588314304 -0700
@@ -1149,7 +1149,7 @@
#(which is the most common case IMHO) to avoid unneeded clutter in the big
tags file.
#Adding $(srctree) adds about 20M on i386 to the size of the output file!

-ifeq ($(KBUILD_OUTPUT),)
+ifeq ($(src),$(obj))
__srctree =
else
__srctree = $(srctree)/


--
George Anzinger george@mvista.com
HRT (High-res-timers): http://sourceforge.net/projects/high-res-timers/
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-07-06 07:09    [W:0.042 / U:7.712 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site