kbuild: use INSTALLKERNEL to select customized installkernel script

Replace the use of CROSS_COMPILE to select a customized
installkernel script with the possibility to set INSTALLKERNEL
to select a custom installkernel script when running make:

    make INSTALLKERNEL=arm-installkernel install

With this patch we are now more consistent across
different architectures - they did not all support use
of CROSS_COMPILE.

The use of CROSS_COMPILE was a hack as this really belongs
to gcc/binutils and the installkernel script does not change
just because we change toolchain.

The use of CROSS_COMPILE caused troubles with an upcoming patch
that saves CROSS_COMPILE when a kernel is built - it would no
longer be installable.
[Thanks to Peter Z. for this hint]

This patch undos what Ian did in commit:

  0f8e2d62fa
  ("use ${CROSS_COMPILE}installkernel in arch/*/boot/install.sh")

The patch has been lightly tested on x86 only - but all changes
looks obvious.

Acked-by: Peter Zijlstra <[email protected]>
Acked-by: Mike Frysinger <[email protected]> [blackfin]
Acked-by: Russell King <[email protected]> [arm]
Acked-by: Paul Mundt <[email protected]> [sh]
Acked-by: "H. Peter Anvin" <[email protected]> [x86]
Cc: Ian Campbell <[email protected]>
Cc: Tony Luck <[email protected]> [ia64]
Cc: Fenghua Yu <[email protected]> [ia64]
Cc: Hirokazu Takata <[email protected]> [m32r]
Cc: Geert Uytterhoeven <[email protected]> [m68k]
Cc: Kyle McMartin <[email protected]> [parisc]
Cc: Benjamin Herrenschmidt <[email protected]> [powerpc]
Cc: Martin Schwidefsky <[email protected]> [s390]
Cc: Thomas Gleixner <[email protected]> [x86]
Cc: Ingo Molnar <[email protected]> [x86]
Signed-off-by: Sam Ravnborg <[email protected]>
This commit is contained in:
Sam Ravnborg 2009-07-20 21:37:11 +02:00
commit caa27b66bd
17 changed files with 50 additions and 32 deletions

View file

@ -65,6 +65,22 @@ INSTALL_PATH
INSTALL_PATH specifies where to place the updated kernel and system map
images. Default is /boot, but you can set it to other values.
INSTALLKERNEL
--------------------------------------------------
Install script called when using "make install".
The default name is "installkernel".
The script will be called with the following arguments:
$1 - kernel version
$2 - kernel image file
$3 - kernel map file
$4 - default install path (use root directory if blank)
The implmentation of "make install" is architecture specific
and it may differ from the above.
INSTALLKERNEL is provided to enable the possibility to
specify a custom installer when cross compiling a kernel.
MODLIB
--------------------------------------------------