On Thu, Apr 09, 2015 at 12:39:33AM +0200, Janne Grunau wrote:
> On 2015-04-07 14:38:59 +0200, Diego Biurrun wrote:
> > On Tue, Apr 07, 2015 at 10:22:16AM +0200, Luca Barbato wrote:
> > > On 06/04/15 23:28, Vittorio Giovara wrote:
> > > >On Sat, Apr 4, 2015 at 6:43 PM, Diego Biurrun <di...@biurrun.de> wrote:
> > > >>On Thu, Apr 02, 2015 at 01:55:26PM +0200, Vittorio Giovara wrote:
> > > >>>On Thu, Apr 2, 2015 at 1:20 PM, Diego Biurrun <di...@biurrun.de> wrote:
> > > >>>>>--- a/configure
> > > >>>>>+++ b/configure
> > > >>>>>@@ -315,6 +315,8 @@ Developer options (useful when working on Libav 
> > > >>>>>itself):
> > > >>>>>                             (group) and PROB the probability 
> > > >>>>> associated with
> > > >>>>>                             NAME (default 0.5).
> > > >>>>>    --random-seed=VALUE      seed value for --enable/disable-random
> > > >>>>>+  --disable-valgrind-backtrace do not print a backtrace under 
> > > >>>>>Valgrind
> > > >>>>>+                           (needs --disable-optimizations)
> > > >>>>
> > > >>>>I don't like this.  Why not automatically enable it when optimizations
> > > >>>>are disabled instead?
> > > >>>
> > > >>>It is automatically enabled when optimizations are disabled, I just
> > > >>>added some help text because users could wonder why it's not enabled
> > > >>>(eg. they do need to disable optimizations).
> > > >>
> > > >>The text is still confusing.  But before fixing that I think we should
> > > >>consider enabling this unconditionally if optimizations are disabled.
> > > >>What's the point of having a disable switch for this?  (We already have
> > > >>far too many configure parameters.)
> > > >
> > > >I think it was to stifle any concern for packagers having to deal (or
> > > >not) with this feature.
> > > >I am completely fine with removing the additional switch.
> > > 
> > > As one of the concerned packager I'm against removing it, builds must be
> > > predictable.
> > 
> > How is a build w/o this new parameter unpredictable?
> 
> it enables/disables the feature depending whether the build enviroment 
> has a proper valgrind/valgrind.h header.

Yes of course, but I see nothing unpredictable there.

> It's configurable solely by having the variable in $CONFIG_LIST whether 
> we keep this help parameter or not though.

If the variable remains (in CONFIG_LIST), it must be documented (properly).
My suggestion is to get rid of it entirely, however.

Diego
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