Re: [RFC PATCH] Makefile: add GNU global tags support

[Alex Bennée]

Ben Widawsky <ben@bwidawsk.net> writes:

> On 21-01-08 12:19:35, Alex Bennée wrote:
>> GNU Global is another tags engine which is more like cscope in being
>> able to support finding both references and definitions. You will be
>> un-surprised to know it also integrates well with Emacs.
>> 
>> The main benefit of integrating it into find-src-path is it takes less
>> time to rebuild the database from scratch when you have a lot of build
>> directories under your source tree.
>> 
>> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
>
> It might be worth mentioning that the Linux kernel has supported this for a 
> long
> time now (10+ years).
>
> Having switched to gtags about 3 years ago, I think it's summarily better and
> would really like this to get merged.

So I take it that's a reviewed-by and a tested-by tag from you?

>
>> ---
>>  Makefile   | 9 ++++++++-
>>  .gitignore | 3 +++
>>  2 files changed, 11 insertions(+), 1 deletion(-)
>> 
>> diff --git a/Makefile b/Makefile
>> index fb9923ff22..66eec99685 100644
>> --- a/Makefile
>> +++ b/Makefile
>> @@ -253,6 +253,13 @@ ctags:
>>      rm -f "$(SRC_PATH)/"tags
>>      $(find-src-path) -exec ctags -f "$(SRC_PATH)/"tags --append {} +
>>  
>> +.PHONY: gtags
>> +gtags:
>> +    rm -f "$(SRC_PATH)/"GTAGS
>> +    rm -f "$(SRC_PATH)/"GRTAGS
>> +    rm -f "$(SRC_PATH)/"GPATH
>> +    $(find-src-path) | gtags -f -
>> +
>>  .PHONY: TAGS
>>  TAGS:
>>      rm -f "$(SRC_PATH)/"TAGS
>> @@ -279,7 +286,7 @@ help:
>>      $(call print-help,all,Build all)
>>      $(call print-help,dir/file.o,Build specified target only)
>>      $(call print-help,install,Install QEMU, documentation and tools)
>> -    $(call print-help,ctags/TAGS,Generate tags file for editors)
>> +    $(call print-help,ctags/gtags/TAGS,Generate tags file for editors)
>>      $(call print-help,cscope,Generate cscope index)
>>      $(call print-help,sparse,Run sparse on the QEMU source)
>>      @echo  ''
>> diff --git a/.gitignore b/.gitignore
>> index b32bca1315..75a4be0724 100644
>> --- a/.gitignore
>> +++ b/.gitignore
>> @@ -7,6 +7,9 @@
>>  cscope.*
>>  tags
>>  TAGS
>> +GPATH
>> +GRTAGS
>> +GTAGS
>>  *~
>>  *.ast_raw
>>  *.depend_raw
>> -- 
>> 2.20.1
>> 
>> 


-- 
Alex Bennée