Whitespace is significant for make, and I just fought against this... so
please apply this patch.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
kbuild failed to locate Makefile for external modules.
This brought to my attention how the variables for directories
have different values in different usage scenarios.
Different kbuild usage scenarios:
make - plain make in same directory where kernel source lives
make O= - kbuild is told to store output files in another directory
make M= - building an external module
make O= M= - building an external module with kernel output seperate from src
Value assigned to the different variables:
|$(src) |$(obj) |$(srctree) |$(objtree)
make |reldir to k src |as src |abs path to k src |abs path to k src
make O= |reldir to k src |as src |abs path to k src |abs path to output dir
make M= |abs path to src |as src |abs path to k src |abs path to k src
make O= M= |abs path to src |as src |abs path to k src |abs path to k output
path to kbuild file:
make | $(srctree)/$(src), $(src)
make O= | $(srctree)/$(src)
make M= | $(src)
make O= M= | $(src)
From the table above it can be seen that the only good way to find the
home directory of the kbuild file is to locate the one of the two variants
that is an absolute path. If $(src) is an absolute path (starts with /)
then use it, otherwise prefix $(src) with $(srctree).
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
During last phase of the build the following message were displayed:
/bin/sh: +@: command not found
This message appears due to slightly changed semantics
of cmd and if_changed_rule.
The easy fix was to insert a dummy command first in rule_ksym_ld.
The alternative was to redo part of this processing in the top-level
Makefile - a volatile area that I try to avoid.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
---
Defining clean before including the kbuild file give us knowledge when
the kbuild file is included for cleaning. This is rarey usefull - but in
a corner case in klibc this proved necessary.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
---
Kbuild.include is a placeholder for definitions originally present in
both the top-level Makefile and scripts/Makefile.build.
There were a slight difference in the filechk definition, so the most videly
used version was kept and usr/Makefile was adopted for this syntax.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
---
There was only two users left of descend. Fix them so they
use $(clean)= and $(build)=.
Drop definition of descend.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
---
-Wundef caused warnings in the bison generated code in kconfig.
Updating to a newer bison (1.875d) did not fix it. The alternatives
was to correct the autogenerated code or drop -Wundef.
For now -Wundef is dropped from HOSTCFLAGS.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
---
A recent change to the aic scsi driver removed two defines to detect
endianness. cpp handles undefined strings as 0. As a result, the test turned
into #if 0 == 0 and the wrong code was selected.
Adding -Wundef to global CFLAGS will catch such errors.
Signed-off-by: Olaf Hering <olh@suse.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
When running depmod to check for the correct version number, extra
output we don't need to see, such as "depmod: QM_MODULES: Function not
implemented" may show up. Redirect stderr to /dev/null as the version
information that we do care about comes to stdout.
Signed-off-by: Tom Rini <trini@kernel.crashing.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
It fixes the following error:
make[1]: *** No rule to make target `include/asm', needed by `arch/alpha/kernel/asm-offsets.s'. Stop.
Reported by:
From: Jan Dittmer <j.dittmer@portrix.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
From: Ryan Anderson <ryan@michonline.com>
When running "make O=something deb-pkg", I get a failure that claims I
haven't configured my kernel (I have). Running it a second time tells
me to run "make mrproper" (include/linux/version.h got built on the
first run)
Original patch from:
From: Ajay Patel <patela@gmail.com>
With modifications from:
Signed-off-By: Ryan Anderson <ryan@michonline.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
From: Ryan Anderson <ryan@michonline.com>
This pulls the description from the Debian user-mode-linux package, and
puts $version back in the appropriate places for both descriptions.
Signed-off-by: Ryan Anderson <ryan@michonline.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
From: Ryan Anderson <ryan@michonline.com>
Make the deb-pkg build target understand the "um" arch and set up the
package and directory structure to match a mainline-Debian style
user-mode-linux package.
This is primarily so that it stops matching, exactly, the naming
convention used by normal, non-UML kernels generated by this command.
Installing "linux-2.6.11" and "linux-2.6.11", where one is a UML kernel
doesn't do the right thing. This fixes that.
Signed-off-by: Ryan Anderson <ryan@michonline.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
From: Andreas Gruenbacher <agruen@suse.de>
We're having the following situation: There are user-space applications
that include kernel headers directly. With a completely unconfigured
/usr/src/linux tree, including most headers fails because essential
files are not there:
include/asm
include/linux/autoconf.h
include/linux/version.h
So we create these files. On the other hand, we want to use
/usr/src/linux as read-only source for building kernels or additional
modules. Now when building a kernel with a separate output directory
(O=), there is a check in the main makefile for the include/asm symlink.
There is no real need for this check: if we ensure that
$(objdir)/include/asm is always created as the patch does,
$(srctree)/include/asm becomes irrelevant.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
From: Randy Dunlap <rddunlap@osdl.org>
I should not have added init.text test here;
it's more than useless, it actually degrades the output.
Signed-off-by: Randy Dunlap <rddunlap@osdl.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
From: Keith Owens <kaos@ocs.com.au>
Make it easier to generate maps for debugging kallsyms problems.
debug_kallsyms is only a debugging target so no help or silent mode.
Signed-off-by: Keith Owens <kaos@ocs.com.au>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
From: Matt Mackall <mpm@selenic.com>
Add PREEMPT to UTS_VERSION where enabled as is done for SMP to make
preempt kernels easily identifiable.
Added SMP PREEMPT as comment in compile.h to force it to be
updated when they change (sam).
Signed-off-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Several reports on inconsistent kallsyms data has been caused by the aliased symbols
__sched_text_start and __down to shift places in the output of nm.
The root cause was that on second pass ld aligned __sched_text_start to a 4 byte boundary
which is the function alignment on i386.
sched.text and spinlock.text is now aligned to an 8 byte boundary to make sure they
are aligned to a function alignemnt on most (all?) archs.
Tested by: Paulo Marques <pmarques@grupopie.com>
Tested by: Alexander Stohr <Alexander.Stohr@gmx.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Paolo 'Blaisorblade' Giarrusso
J.A. Magallon
Keenan Pepper
Sam Ravnborg
Jesper Juhl
Coywolf Qi Hunt
Olaf Hering
Tom Rini