kbuild: support building individual files for external modules

[linux-2.6-omap-h63xx.git] / Documentation / kbuild / modules.txt

diff --git a/Documentation/kbuild/modules.txt b/Documentation/kbuild/modules.txt
index 7e77f93634ea507569e3554434fe7978767d7fba..87d858df4e3479bfd85b0be27f1f4b5c73a8c78a 100644 (file)
--- a/Documentation/kbuild/modules.txt
+++ b/Documentation/kbuild/modules.txt
@@ -13,6 +13,7 @@ In this document you will find information about:
           --- 2.2 Available targets
           --- 2.3 Available options
           --- 2.4 Preparing the kernel tree for module build
+          --- 2.5 Building separate files for a module
        === 3. Example commands
        === 4. Creating a kbuild file for an external module
        === 5. Include files
@@ -131,6 +132,16 @@ when building an external module.
              Therefore a full kernel build needs to be executed to make
              module versioning work.
 
+--- 2.5 Building separate files for a module
+       It is possible to build single files which is part of a module.
+       This works equal for the kernel, a module and even for external
+       modules.
+       Examples (module foo.ko, consist of bar.o, baz.o):
+               make -C $KDIR M=`pwd` bar.lst
+               make -C $KDIR M=`pwd` bar.o
+               make -C $KDIR M=`pwd` foo.ko
+               make -C $KDIR M=`pwd` /
+       
 
 === 3. Example commands