[RFC] kbuild: make it possible to specify the module output dir

[Kiran Raparthy]

From: Rom Lemarchand <romlem@xxxxxxxxxxx>

kbuild: make it possible to specify the module output dir

Make modinst_dir user-defined on the command line.

This allows to do things like:
make MODLIB=output/ modinst_dir=. modules_install

to ensure all the .ko are in the output/ directory.

Cc: Michal Marek <mmarek@xxxxxxx>
Cc: linux-kbuild@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Android Kernel Team <kernel-team@xxxxxxxxxxx>
Signed-off-by: Rom Lemarchand <romlem@xxxxxxxxxxx>
[Kiran: Added context to commit message]
Signed-off-by: Kiran Raparthy <kumarsharma.r@xxxxxxxxx>
---
This is one of the number of patches from the Android AOSP common.git tree,
which is used on Android devices. I wanted to submit it for review
to see if it should go upstream.

 scripts/Makefile.modinst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst
index e48a4e9..9b7b280 100644
--- a/scripts/Makefile.modinst
+++ b/scripts/Makefile.modinst
@@ -29,7 +29,7 @@ quiet_cmd_modules_install = INSTALL $@
 INSTALL_MOD_DIR ?= extra
 ext-mod-dir = $(INSTALL_MOD_DIR)$(subst $(patsubst %/,%,$(KBUILD_EXTMOD)),,$(@D))
 
-modinst_dir = $(if $(KBUILD_EXTMOD),$(ext-mod-dir),kernel/$(@D))
+modinst_dir ?= $(if $(KBUILD_EXTMOD),$(ext-mod-dir),kernel/$(@D))
 
 $(modules):
 	$(call cmd,modules_install,$(MODLIB)/$(modinst_dir))
-- 
1.8.2.1

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