From: Rafael Sadowski <rafael@sizeofvoid.org>
Subject: Re: [libcxx22] fallout
To: Theo Buehler <tb@theobuehler.org>
Cc: ports@openbsd.org, "Anthony J. Bentley" <anthony@anjbe.name>
Date: Wed, 26 Aug 2026 07:01:59 +0200

On Fri Aug 21, 2026 at 02:15:34PM +0200, Theo Buehler wrote:
> Here is the directly libcxx22-related breakage of my first bulk.
> 
> There may be a few more because mono got stuck with a weird error.  And
> I did not try to build the V8 monsters: codex, deno, chromiums and a few
> others because my machine isn't beefy enough. I don't think anything
> super important is directly affected or hiding behind those. So as far
> as ports are concerned, I think we can land libcxx22 whenever we want:
> 
> audio/ncmpcpp
> audio/rubberband
> cad/freecad
> databases/mongodb/44
> games/cataclysm-dda
> games/dxx-rebirth
> games/flightgear/base
> games/keeperrl
> mail/kopano/core
> misc/subsurface
> shells/fish/v3
> textproc/lttoolbox
> 
> 
> textproc/lttoolbox
> /usr/include/c++/v1/__iterator/ostream_iterator.h:56:20: error: invalid operands to binary expression ('ostream_type' (aka 'basic_ostream<char, std::char_traits<char>>') and 'const char')
>    56 |     *__out_stream_ << __value;
>       |     ~~~~~~~~~~~~~~ ^  ~~~~~~~
> 

OK?

diff --git a/textproc/lttoolbox/patches/patch-lttoolbox_ustring_h b/textproc/lttoolbox/patches/patch-lttoolbox_ustring_h
new file mode 100644
index 00000000000..b5ee23109b2
--- /dev/null
+++ b/textproc/lttoolbox/patches/patch-lttoolbox_ustring_h
@@ -0,0 +1,12 @@
+Fix build with libc++22
+Index: lttoolbox/ustring.h
+--- lttoolbox/ustring.h.orig
++++ lttoolbox/ustring.h
+@@ -26,6 +26,7 @@
+ #include <vector>
+ #include <cstdint>
+ #include <iomanip>
++#include <ostream>
+ 
+ typedef std::basic_string<UChar> UString;
+ typedef std::basic_string_view<UChar> UStringView;