On Mon, Apr 13, 2026 at 03:06:35PM +0200, Emanuele Rocca wrote: > Package: src:libwx-perl > Version: 1:0.9932-9 > Severity: important > Tags: sid forky ftbfs > User: [email protected] > Usertags: ftbfs-gcc-16 > > Hi, > > libwx-perl fails to build in a test rebuild on at least amd64 and arm64 with > gcc-16/g++-16, but builds properly with gcc-15/g++-15. The severity of this > report will be raised before the forky release.
> Can't load > '/build/reproducible-path/libwx-perl-0.9932/ext/help/../../blib/arch/auto/Wx/Help/Help.so' > for module Wx::Help: at > /build/reproducible-path/libwx-perl-0.9932/ext/help/../../blib/lib/Wx/Mini.pm > line 74. > Compilation failed in require at t/01_load.t line 7. > BEGIN failed--compilation aborted at t/01_load.t line 7. > t/01_load.t ......... > 1..1 > Dubious, test returned 2 (wstat 512, 0x200) > Failed 1/1 subtests This fails on sid as well now that GCC-16 is the default. It seems to be an optimization issue. It works for me on sid/amd64 with DEB_BUILD_OPTIONS=noopt, and also with the attached targeted lower optimization level. This is at best a workaround of course. I didn't get further yet, happy if somebody else wants to pick this up. -- Niko
>From baf3e3987be3a142190244e53604a8eaa0b4190f Mon Sep 17 00:00:00 2001 From: Niko Tyni <[email protected]> Date: Mon, 7 Sep 2026 22:19:15 +0100 Subject: [PATCH] Temporarily lower optimization level with GCC-16 This is a workaround that makes Wx::Help load again. Otherwise we get an unhelpful error like Can't load '/build/reproducible-path/libwx-perl-0.9932/ext/help/../../blib/arch/auto/Wx/Help/Help.so' for module Wx::Help: at /build/reproducible-path/libwx-perl-0.9932/ext/help/../../blib/lib/Wx/Mini.pm line 74. Bug-Debian: https://bugs.debian.org/1133539 --- ext/help/XS/HelpController.xs | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/ext/help/XS/HelpController.xs b/ext/help/XS/HelpController.xs index 4b790ce..dddc797 100644 --- a/ext/help/XS/HelpController.xs +++ b/ext/help/XS/HelpController.xs @@ -39,10 +39,14 @@ wxHelpControllerBase::DisplayTextPopup( text, pos ) wxString text wxPoint pos +#pragma GCC optimize ("O0") + bool wxHelpControllerBase::DisplaySection( section ) wxString section +#pragma GCC optimize ("O2") + bool wxHelpControllerBase::DisplaySectionId( section ) long section -- 2.53.0
