meson, bump version (#3821)

dev-util/meson/patches/meson-0.50.0.patchset

@@ -1,25 +0,0 @@
-From 9737a81fbcd3ff9471868393735c703335bb9963 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Fran=C3=A7ois=20Revol?= <revol@free.fr>
-Date: Tue, 12 Mar 2019 03:39:42 +0100
-Subject: [PATCH] Properly detect 'bepc' as 'x86' CPU for Haiku
-
----
- mesonbuild/environment.py | 2 ++
- 1 file changed, 2 insertions(+)
-
-diff --git a/mesonbuild/environment.py b/mesonbuild/environment.py
-index 08324632..74ce058c 100644
---- a/mesonbuild/environment.py
-+++ b/mesonbuild/environment.py
-@@ -204,6 +204,8 @@ def detect_cpu_family(compilers):
-         trial = platform.machine().lower()
-     if trial.startswith('i') and trial.endswith('86'):
-         trial = 'x86'
-+    elif trial == 'bepc':
-+        trial = 'x86'
-     elif trial.startswith('arm'):
-         trial = 'arm'
-     elif trial.startswith('ppc64'):
--- 
-2.20.1
-