On Sat, Jan 17, 2026 at 06:42:53PM +0000, Gavin Smith wrote:
> On Sat, Jan 17, 2026 at 07:23:12PM +0100, [email protected] wrote:
> > On Sat, Jan 17, 2026 at 11:47:37AM +0000, Gavin Smith wrote:
> > > If I run "./configure PERL_EXT_CC=failcc", this completes successfully
> > > and disables XS modules:
> > >
> > > But then "make check" fails badly.
> > >
> > > $ perl -w t/02coverage.t
> > > ok 1
> > > perl: symbol lookup error: t//../../C/.libs/libtexinfoxs.so.1: undefined symbol: newSVpv_utf8
> > >
> > > According to the output of "TEXINFO_XS=debug perl -w t/02coverage.t", a large
> > > amount of C libraries and XS overrides are loaded anyway.
> >
> > I just commited changes to avoid loading XS overrides when XS modules
> > are disabled at configure time. I believe that the issue you reported
> > was there for a long time, maybe even since the first MiscXS modules.
> > It never showed in practice because the situation do not often arises,
> > and maybe we just did make clean when it happened, and because before
> > some point, with the C codes in libraries, the modules could be loaded
> > and used even if XS modules were disabled, and it would not have been
> > noticed unless one had TEXINFO_XS=debug set.
>
> I thought it was disabled in Texinfo::XSLoader. texi2any.pl sets
> $Texinfo::XSLoader::disable_XS if XS modules are disabled. However,
> the tests under tta/perl/t don't use texi2any.pl.
See this commit:
https://cgit.git.savannah.gnu.org/cgit/texinfo.git/commit/?id=19cf2ac6fa4fb238257cc52a5df93f36ec4937c8
I added enable_xs to ModulePath.pm.in, a BEGIN block in test_utils.pl
and modified the existing texi2any.pl BEGIN block to set disable_XS too.
Now I realize that the tests in tta/perl/t/z_misc/*.t are not covered.
For some reason it did not show up in my test, I'll double check.
--
Pat
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