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authorLinus Torvalds <torvalds@linux-foundation.org>2008-04-25 12:06:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-25 12:06:46 -0700
commitf7ce1f5e083fc099346019fb1f8d56a5452703ed (patch)
tree9d36e70d9253d87566256e779babacf697ee2774 /Documentation
parentdd0e101d630b0d7ed6c9e1ccf7af7fc91818330e (diff)
parent0254da07d9d51044140a904c47affaeeb8b74ae8 (diff)
downloadlinux-f7ce1f5e083fc099346019fb1f8d56a5452703ed.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild: kbuild: fix depmod comment kbuild: Add new Kbuild variable KBUILD_EXTRA_SYMBOLS kbuild: support loading extra symbols in modpost Add option to enable -Wframe-larger-than= on gcc 4.4 kbuild: add kconfig symbols to tags output kbuild: fix some minor typoes kbuild: error out on missing MODULE_LICENSE
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/kbuild/modules.txt9
1 files changed, 8 insertions, 1 deletions
diff --git a/Documentation/kbuild/modules.txt b/Documentation/kbuild/modules.txt
index 1d247d59ad56..1821c077b435 100644
--- a/Documentation/kbuild/modules.txt
+++ b/Documentation/kbuild/modules.txt
@@ -486,7 +486,7 @@ Module.symvers contains a list of all exported symbols from a kernel build.
Sometimes, an external module uses exported symbols from another
external module. Kbuild needs to have full knowledge on all symbols
to avoid spitting out warnings about undefined symbols.
- Two solutions exist to let kbuild know all symbols of more than
+ Three solutions exist to let kbuild know all symbols of more than
one external module.
The method with a top-level kbuild file is recommended but may be
impractical in certain situations.
@@ -523,6 +523,13 @@ Module.symvers contains a list of all exported symbols from a kernel build.
containing the sum of all symbols defined and not part of the
kernel.
+ Use make variable KBUILD_EXTRA_SYMBOLS in the Makefile
+ If it is impractical to copy Module.symvers from another
+ module, you can assign a space separated list of files to
+ KBUILD_EXTRA_SYMBOLS in your Makfile. These files will be
+ loaded by modpost during the initialisation of its symbol
+ tables.
+
=== 8. Tips & Tricks
--- 8.1 Testing for CONFIG_FOO_BAR