Re: Up-to-date Valgrind suppression file for GLib/GTK+ ?

On 08/02/2016 05:13 PM, Sébastien Wilmet wrote:
On Tue, Aug 02, 2016 at 01:47:41PM +0100, Philip Withnall wrote:
On Mon, 2016-08-01 at 20:10 +0200, Sébastien Wilmet wrote:
So, is there an up-to-date Valgrind suppression file somewhere? Or is
GNOME.supp the most up-to-date?
The one I’ve been using is here:

It covers most of the GLib and GIO functionality which I’ve been using
recently. Enough to get the Walbottle tests Valgrind-clean, at least.

I do not claim it’s anything like perfect though.
I already get much better results with walbottle.supp, at least for the
tests depending only on GLib/GObject. Thanks a lot!

This has been discussed before, and I failed to do anything about it:

Installing a suppression file with GLib won’t fix everything, because
Valgrind only has one default suppression file, which we can’t modify
or add to. So even if GLib installed a suppression file, you’d have to
pass it as a --suppressions argument to Valgrind manually. However,
that is better than having to write your own suppressions file //and//
pass it in.

See here for information about default.supp:

Valgrind has a couple of bugs open about improving its support for
default suppressions. None of them have seen activity recently: (basically a duplicate)
And thanks for the links. I also think that it would be useful to have a
suppression file upstream, even if it is incomplete.

Sorry for reviving the thread. What if upstream lib ship a suppression
file and add a pkg-config variable pointing to it? Then apps can use
$PKG_CONFIG --variable=valgrind_suppressions gtk+-3.0
to collect those and e.g. export them into a valgrind wrapper or use
them in the test runners.


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