rubberband: fix build with libc++ 21

From 9cb3e66870ae22d87222ee7636e5b6c85c776673 Mon Sep 17 00:00:00 2001

From: Nicolas PARLANT <nicolas.parlant@parhuet.fr>

Date: Sun, 27 Jul 2025 15:53:17 +0200

Subject: [PATCH] missing include cstdlib

Fix an error with libcxx-21

>In file included from ../rubberband-4.0.0/src/common/mathmisc.cpp:24:

>../rubberband-4.0.0/src/common/mathmisc.h:58:1:

>error: unknown type name 'size_t'; did you mean 'std::size_t'?

Signed-off-by: Nicolas PARLANT <nicolas.parlant@parhuet.fr>

---

 src/common/mathmisc.h | 2 ++

 1 file changed, 2 insertions(+)

diff --git a/src/common/mathmisc.h b/src/common/mathmisc.h

index d8bcc14d..66f3378c 100644

--- a/src/common/mathmisc.h

+++ b/src/common/mathmisc.h

@@ -26,6 +26,8 @@

 #include "sysutils.h"

+#include <cstdlib>

+

 #ifndef M_PI

 #define M_PI 3.14159265358979323846

 #endif // M_PI

    hash = "sha256-rwUDE+5jvBizWy4GTl3OBbJ2qvbRqiuKgs7R/i+AKOk=";

  };

  patches = [

    # Fix missing size_t definition when building with libc++ 21.

    # Source: https://github.com/breakfastquay/rubberband/pull/126

    ./0001-Fix-an-error-with-libcxx-21.patch

  ];

  nativeBuildInputs = [

    pkg-config

    meson