On Sat, Jan 17, 2026 at 05:43:39PM +0200, Eli Zaretskii wrote:
> > Date: Sat, 17 Jan 2026 13:03:27 +0100
> > From: [email protected]
> > Cc: Gavin Smith <[email protected]>, [email protected]
> >
> > > Oh, so the "--enable-c-texi2any" configure-time option defaults to
> > > "no", not to "detect"? I thought it defaults to "detect", because
> > > "./configure --help" says "Use texi2any program implemented in C if
> > > possible", and I see ctexi2any.exe was built as part of the build, so
> > > evidently that _was_ possible.
> >
> > Indeed, whether ctexi2any.exe can be build is detected.
> > "--enable-c-texi2any" is not about building ctexi2any, but whether it is
> > this implementaiton of texi2any rather than the Perl one that it used in
> > tests and is installed. There is no "detect" value for this option,
> > actually, as it does not make sense. I think that it is the --help
> > message that is misleading.
> >
> > What about:
> > "Use texi2any program implemented in C if built"
>
> Yes, that's better. Maybe also change the name of the option, since
> options that start with --enable or --disable are usually for optional
> features that are used if enabled.
The other possibility is --with, which is even less relevant as it is
for the use of external packages, so I think enable should be used.
> > As long as there is a need of Perl for indices sorting, the two
> > implementations are gonna be similar.
>
> OK, thanks. But if ctexi2any is not installed, neither should be the
> DLLs that it uses, libtexinfo*.dll, right? Or are they used by some
> other parts of the package?
They are used by the Perl XS extensions. That is the reason why the Perl
main program can be almost as fast as the C program, it is because it
uses the same C code, through XS extensions in case of the Perl main
program, as the ctexi2any program. (And ctexi2any embeds a Perl
interpreter to have access to Perl sorting for indices, HTML
customization in Perl and converters only available in Perl.).
--
Pat
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