Re: [libcxx22] size_t for math/labplot

On Fri Aug 21, 2026 at 07:19:34AM +0200, Theo Buehler wrote:
> <cmath> no longer pulls in the definition for size_t. Not sure if the
> below is the best fix, but it works...
> 
> /usr/ports/pobj/labplot-2.12.1/labplot-2.12.1/src/backend/nsl/nsl_peak.h:16:1: error: unknown type name 'size_t'; did you mean 'std::size_t'?
>    16 | size_t* nsl_peak_detect(T* data, size_t n, size_t& np, T height = -INFINITY, size_t distance = 0);
>       | ^~~~~~
>       | std::size_t
> /usr/include/c++/v1/__cstddef/size_t.h:20:7: note: 'std::size_t' declared here
>    20 | using size_t = decltype(sizeof(int));
>       |       ^

OK rsadowski

> 
> Index: Makefile
> ===================================================================
> RCS file: /cvs/ports/math/labplot/Makefile,v
> diff -u -p -r1.22 Makefile
> --- Makefile	24 Jul 2026 17:11:06 -0000	1.22
> +++ Makefile	21 Aug 2026 05:15:52 -0000
> @@ -1,7 +1,7 @@
>  COMMENT =	data visualization and analysis software
>  
>  DISTNAME =	labplot-2.12.1
> -REVISION =	1
> +REVISION =	2
>  
>  CATEGORIES =	math x11
>  
> Index: patches/patch-src_backend_nsl_nsl_peak_h
> ===================================================================
> RCS file: patches/patch-src_backend_nsl_nsl_peak_h
> diff -N patches/patch-src_backend_nsl_nsl_peak_h
> --- /dev/null	1 Jan 1970 00:00:00 -0000
> +++ patches/patch-src_backend_nsl_nsl_peak_h	21 Aug 2026 05:15:19 -0000
> @@ -0,0 +1,12 @@
> +Index: src/backend/nsl/nsl_peak.h
> +--- src/backend/nsl/nsl_peak.h.orig
> ++++ src/backend/nsl/nsl_peak.h
> +@@ -12,6 +12,8 @@
> + 
> + #include <cmath>
> + 
> ++#include <stddef.h>
> ++
> + template<typename T>
> + size_t* nsl_peak_detect(T* data, size_t n, size_t& np, T height = -INFINITY, size_t distance = 0);
> + 
>