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authorMichal Marek <mmarek@suse.cz>2010-03-09 16:00:20 +0100
committerMichal Marek <mmarek@suse.cz>2010-03-11 11:15:22 +0100
commitef8ff89b58546055e238c3b521f83b440dfe8ef2 (patch)
tree86b1c5da27197aba7de52d4247824b412571d81a /Documentation
parent2d74b2c62cf8867d0762f6e6b5ed8906cb6a745f (diff)
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kbuild: Really don't clean bounds.h and asm-offsets.h
Commit 7d3cc8b tried to keep bounds.h and asm-offsets.h during make clean by filtering these out of $(clean-files), but they are listed in $(targets) and $(always) and thus removed automatically. Introduce a new $(no-clean-files) variable to really skip such files in Makefile.clean. Signed-off-by: Michal Marek <mmarek@suse.cz>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/kbuild/makefiles.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt
index 01351554df6..fcd1a981523 100644
--- a/Documentation/kbuild/makefiles.txt
+++ b/Documentation/kbuild/makefiles.txt
@@ -779,6 +779,13 @@ This will delete the directory debian, including all subdirectories.
Kbuild will assume the directories to be in the same relative path as the
Makefile if no absolute path is specified (path does not start with '/').
+To exclude certain files from make clean, use the $(no-clean-files) variable.
+This is only a special case used in the top level Kbuild file:
+
+ Example:
+ #Kbuild
+ no-clean-files := $(bounds-file) $(offsets-file)
+
Usually kbuild descends down in subdirectories due to "obj-* := dir/",
but in the architecture makefiles where the kbuild infrastructure
is not sufficient this sometimes needs to be explicit.