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2010-03-08Revert "kbuild: specify absolute paths for cscope"Michal Marek1-7/+3
This reverts commit eb8f844c0a41c4529a7d06b7801296eca9ae67aa. Ian Campbell writes: > I keep my kernel source tree on a more powerful build box where I run my > builds etc (including "make cscope") but run my editor from my > workstation with an NFS mount to the source. This worked fine for me > using relative paths for cscope. Using absolute paths in cscope breaks > this previously working setup because the root path is not the same on > both systems. I guess this is similar to moving the source tree around. > > Without wanting to start a flamewar it really sounds to me like we are > working around a vim (or cscope) bug here, emacs with cscope bindings > works fine in this configuration. Given that absolute paths can be forced by make O=. cscope, change the default back to relative paths. Ian Campbell <ijc@hellion.org.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Michal Marek <mmarek@suse.cz>
2010-03-03tags: Add the ability to make tags for all archs using "all"John Kacur1-0/+11
make ALLSOURCE_ARCHS=all tags - Document this in kbuild.txt Without this change you have to type each arch separately. Signed-off-by: John Kacur <jkacur@redhat.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
2010-03-03tags: Fix spelling error in comment (is->if)John Kacur1-1/+1
Signed-off-by: John Kacur <jkacur@redhat.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
2010-02-22tags: Use $SRCARCHMichal Marek1-2/+2
$ make mrproper $ make tags GEN tags find: `arch/x86_64/': No such file or directory Caused by commit f81b1be (tags: include headers before source files) Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
2010-02-17tags: include headers before source filesGuennadi Liakhovetski1-6/+14
Currently looking up a structure definition in TAGS / tags takes one to one of multiple "static struct X" definitions in arch sources, which makes it for many structs practically impossible to get to the required header. This patch changes the order of sources being tagged to first scan architecture includes, then the top-level include/ directory, and only then the rest. It also takes into account, that many architectures have more than one include directory, i.e., not only arch/$ARCH/include, but also arch/$ARCH/mach-X/include etc. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com> [mmarek@suse.cz: fix 'var+=text' bashism] Signed-off-by: Michal Marek <mmarek@suse.cz>
2009-12-12kbuild: specify absolute paths for cscopeDaniel Vetter1-1/+7
Cscope doesn't hadle relative paths when cscope.out is not in $PWD. Use absolute paths when generating cscope.files, which seems to be the recommended way to generate cscope.out, anyway (at least according to cscope.sf.net). The speed and size differences are minimal, the only drawback is that the database needs to be regenerated if the source directory is moved. [mmarek: fixed for O= builds, modified changelog] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Michal Marek <mmarek@suse.cz>
2009-09-20ctags: usability fixStefani Seibold1-1/+2
The tag file generated by the tags.sh script has some issue. First: The identifier-list miss the DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL special handling, which can result in a wrong tag, not to jump to the right variable definition or function implementation. Second: It makes no real sense to include function prototypes and external and forward variable declarations, because jumping to a tag will sometimes go to this and not to the real definition and implementation. The information about the declaration is still there at the definition and implementation place. So this patch make it lot easier to navigate through the kernel source tree using vi. Signed-off-by: Stefani Seibold <stefani@seibold.net> Acked-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-05-01kbuild: remove a tag file before it is regeneratedMatt Kraai1-0/+2
If a tag file is not removed before it is regenerated, the newly generated data is appended to the old, which preserves stale data and makes the tag file grow over time. Signed-off-by: Matt Kraai <kraai@ftbfs.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-02-15kbuild: add sys_* entries for syscalls in tagsRabin Vincent1-2/+5
Currently, it is no longer possible to use the tags file to jump to system call function definitions with sys_foo, because the definitions are obscured by use of the SYSCALL_DEFINE* macros. This patch adds the appropriate option to ctags to make it see through the macro. Also, it adds the ENTRY() work already done for Exuberant to Emacs too. Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-02-15kbuild: fix tags generation of config symbolsAlexey Dobriyan1-1/+4
commit 4f628248a578585472e19e4cba2c604643af8c6c aka "kbuild: reintroduce ALLSOURCE_ARCHS support for tags/cscope" breaks tags generation for Kconfig symbols. Steps to reproduce: make tags vi -t PROC_FS It should jump to 'config PROC_FS' line. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Tested-by: Pete Wyckoff <pw@padd.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-01-07kbuild: reintroduce ALLSOURCE_ARCHS support for tags/cscopeJike Song1-5/+13
This patch reintroduce the ALLSOURCE_ARCHS support for tags/TAGS/ cscope targets. The Kbuild previously has this feature, but after moving the targets into scripts/tags.sh, ALLSOURCE_ARCHS disappears. It's something like this: $ make ALLSOURCE_ARCHS="x86 mips arm" tags cscope Signed-off-by: Jike Song <albcamus@gmail.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2009-01-02kbuild: drop debugging leftover in tags.shSam Ravnborg1-1/+0
Noticed by Jike. Reported-by: "Jike Song" <albcamus@gmail.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-12-14kbuild: fix string equality testing in tags.shJiri Slaby1-5/+5
Test of string equality in shells is =, not C-like ==. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-12-14kbuild: fix make tags/cscopeJiri Slaby1-12/+12
- fix combining O=... and tags - don't allow * expansion during sh function calls Signed-off-by: Jiri Slaby <jirislaby@gmail.com> [sam: use KBUILD_SRC to check if we use O=...] Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2008-12-03tags and cscope support really belongs in a shell scriptSam Ravnborg1-0/+160
as they do not benefit from the make functionality. Moving the support to a shell script has several benefits: - The readability of the code has increased a lot - More people is able to extend the tags support - We see less changes to the top-level Makefile The shell script version includes improvements from: Alexey Dobriyan <adobriyan@gmail.com> (jump to kconfig symbols) Alexey Dobriyan <adobriyan@gmail.com> (drop ./ in paths) Ian Campbell <ijc@hellion.org.uk> (simplified find algorithms) This version has a few caveats: => It does not support ALLSOURCE_ARCHS - it is easy to add if it is really used => It assumes all archs have moved to arch/$ARCH/include - until that happens we have a few additional hits in the archs Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Alexey Dobriyan <adobriyan@gmail.com> Tested-by: Ian Campbell <ijc@hellion.org.uk>
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