Re: [libcxx22] fallout

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
> 
> There are basically two main classes of failures: comparison operators
> and locale things and a few odd ones like fish/v3 and 
> 
> audio/ncmpcpp
> /usr/include/c++/v1/__algorithm/sift_down.h:49:39: error: no matching function for call to object of type 'LocaleBasedSorting'
>    49 |   } else if ((__child + 1) < __len && __comp(__first[__child], __first[__child + 1])) {
>       |                                       ^~~~~~
> 
> audio/rubberband
> ../rubberband-4.0.0/src/common/mathmisc.h:58:1: error: unknown type name 'size_t'; did you mean 'std::size_t'?
>    58 | size_t roundUp(size_t value); // to nearest power of two
>       | ^~~~~~
>       | std::size_t
> 

OK?

diff --git a/audio/rubberband/patches/patch-src_common_mathmisc_h b/audio/rubberband/patches/patch-src_common_mathmisc_h
new file mode 100644
index 00000000000..5a88eaabba4
--- /dev/null
+++ b/audio/rubberband/patches/patch-src_common_mathmisc_h
@@ -0,0 +1,12 @@
+Index: src/common/mathmisc.h
+--- src/common/mathmisc.h.orig
++++ src/common/mathmisc.h
+@@ -26,6 +26,8 @@
+ 
+ #include "sysutils.h"
+ 
++#include <stddef.h>
++
+ #ifndef M_PI
+ #define M_PI 3.14159265358979323846
+ #endif // M_PI