linux-kernel - Re: [PATCH 1/6] perf tools: Factor features display code

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Date:	Wed, 19 Feb 2014 18:59:36 -0300
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	linux-kernel@...r.kernel.org,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	David Ahern <dsahern@...il.com>,
	Jean Pihet <jean.pihet@...aro.org>
Subject: Re: [PATCH 1/6] perf tools: Factor features display code

Em Wed, Feb 19, 2014 at 04:52:54PM +0100, Jiri Olsa escreveu:
> Currently the we display all detected features/libraries
> by following rules:
>  - if one of the features is missing
>  - if it's build from clean tree
> 
> This patch changes changes this behavior in several ways.
> 
> - We no longer display all detected features, only detected
>   libraries are displayed by default:
> 
>   $ make
>     BUILD:   Doing 'make -j4' parallel build
> 
>   Auto-detecting system features:
>   ...                         dwarf: [ on  ]
>   ...                         glibc: [ on  ]
>   ...                          gtk2: [ on  ]
>   ...                      libaudit: [ on  ]
>   ...                        libbfd: [ on  ]
>   ...                        libelf: [ on  ]
>   ...                       libnuma: [ on  ]
>   ...                       libperl: [ on  ]
>   ...                     libpython: [ on  ]
>   ...                      libslang: [ on  ]
>   ...                     libunwind: [ on  ]

I like it, testing now, one suggestion: Since this is just about
libraries, ditch the "lib' prefix, and make the header more
informative, making it look like this:

   Auto-detecting system libraries that enables features:
   ...                         dwarf: [ on  ]
   ...                             c: [ on  ]
   ...                          gtk2: [ on  ]
   ...                         audit: [ on  ]
   ...                           bfd: [ on  ]
   ...                           elf: [ on  ]
   ...                          numa: [ on  ]
   ...                          perl: [ on  ]
   ...                        python: [ on  ]
   ...                         slang: [ on  ]
   ...                        unwind: [ on  ]
 
Also, do we look first for dwarf, then for glibc?

Back to the other patches...

- Arnaldo
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