additional external module symbol dependecy handling options
The use of KBUILD_EXTRA_SYMBOLS is clarified by an example and
the additional option of using KBUILD_EXTMOD is added as
equivalent alternative.
This patch is against linux 3.18.0-rc6
Signed-off-by: Nicholas Mc Guire <der.h...@hofr.at>
---
Documentation/kbuild/modules.txt | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/Documentation/kbuild/modules.txt b/Documentation/kbuild/modules.txt
index 3fb39e0..450af1f 100644
--- a/Documentation/kbuild/modules.txt
+++ b/Documentation/kbuild/modules.txt
@@ -517,6 +517,18 @@ build.
These files will be loaded by modpost during the
initialization of its symbol tables.
+ Example:
+ $ make KBUILD_EXTRA_SYMBOLS=/PATH/TO/bar/Module.symvers
\
+ -C $KDIR M=$PWD modules
+
+ Use "make" variable KBUILD_EXTMOD
+ Alternatively to passing the Module.symvers files explicitly
+ one can also pass the directory containing the external module
+ that will satisfy the dependecies with KBUILD_EXTMOD and
+ Kbuild will pick up the Module.symvers found there.
+
+ Example:
+ $ make -C $KDIR M=$PWD KBUILD_EXTMOD=/PATH/TO/bar/
modules
=== 7. Tips & Tricks
--
1.7.10.4
--
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