[PATCH v2] Add silent Makefile rules
Simon Marchi
simon.marchi@ericsson.com
Fri Mar 16 20:32:00 GMT 2018
On 2018-03-03 01:27 PM, Simon Marchi wrote:
> New in v2:
>
> - Enable Automake silent mode for our gnulib builds.
> - Replace CC with CXX, LD with CXXLD.
>
> Many projects (e.g. the Linux kernel) and build systems use "silent"
> rules, which means that they'll only print a summary of what's being
> done instead of printing all the detailed command lines. While chatting
> on the #gdb IRC channel, I realized a few people (including me) thought
> it would be nice to have it in GDB too.
>
> The idea is that too much text is not useful, the important information
> gets lost. If there's only the essential information, it's more likely
> to be useful. Most of the time, when I look at the build output, it's
> to see how it's progressing. By just printing a brief summary of each
> operation, I can easily spot what's currently being compiled and
> therefore how the build progresses (with time you know the order in
> which files are compiled almost by heart).
>
> As with other projects (Linux, automake-based things, probably others),
> it's possible to print the complete command lines by passing V=1 to make
> (or any other non-zero value).
>
> I had one hesitation about this: when people report build failures, we
> are more likely to miss the full compile command line. We'll probably
> sometimes need to ask people to include the build log with "make V=1".
> I don't think it's a big downside, if other projects the size of the
> Linux kernel can live with it, I'm sure we can too.
I pushed this patch.
Simon
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