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| author | Michal Marek <mmarek@suse.cz> | 2015-01-08 14:45:50 +0100 |
|---|---|---|
| committer | Michal Marek <mmarek@suse.cz> | 2015-01-08 14:45:50 +0100 |
| commit | 976591810f8aa2f57c647c6485112b7c62f832ae (patch) | |
| tree | dbf8f80edc33779d895bdd6f48ee183bf620aece /Documentation/kbuild/makefiles.txt | |
| parent | d9f711db8348233a2958cf91a19ca78677f677e0 (diff) | |
| download | lwn-976591810f8aa2f57c647c6485112b7c62f832ae.tar.gz lwn-976591810f8aa2f57c647c6485112b7c62f832ae.zip | |
kbuild: Update documentation of clean-files and clean-dirs
Commit a16c5f99 (kbuild: Fix removal of the debian/ directory) slightly
changed the processing of the clean-files and clean-dirs variables.
Also, use a current real-world example of clean-files usage.
Signed-off-by: Michal Marek <mmarek@suse.cz>
Diffstat (limited to 'Documentation/kbuild/makefiles.txt')
| -rw-r--r-- | Documentation/kbuild/makefiles.txt | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt index a311db829e9b..873db4777771 100644 --- a/Documentation/kbuild/makefiles.txt +++ b/Documentation/kbuild/makefiles.txt @@ -751,12 +751,12 @@ generated by kbuild are deleted all over the kernel src tree when Additional files can be specified in kbuild makefiles by use of $(clean-files). Example: - #drivers/pci/Makefile - clean-files := devlist.h classlist.h + #lib/Makefile + clean-files := crc32table.h When executing "make clean", the two files "devlist.h classlist.h" will be deleted. Kbuild will assume files to be in the same relative directory as the -Makefile except if an absolute path is specified (path starting with '/'). +Makefile, except if prefixed with $(objtree). To delete a directory hierarchy use: @@ -764,9 +764,8 @@ To delete a directory hierarchy use: #scripts/package/Makefile clean-dirs := $(objtree)/debian/ -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 '/'). +This will delete the directory debian in the toplevel directory, including all +subdirectories. 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: |