From f9fc7392fa49d4481ae70c32b8c69df0834e8ad0 Mon Sep 17 00:00:00 2001
From: Jung-uk Kim <jkim@FreeBSD.org>
Date: Fri, 1 Nov 2024 02:30:49 -0400
Subject: [PATCH] FreeBSD: Disable support for "-mtls-dialect" for FreeBSD

Clang 19 supports "-mtls-dialect=" but FreeBSD does not support "-mtls-dialect=gnu2".
Skip auto-detection for FreeBSD.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31931>
---
 meson.build | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/meson.build b/meson.build
index f26f73361a2..c5b2da2700b 100644
--- a/meson.build
+++ b/meson.build
@@ -525,6 +525,8 @@ if not have_mtls_dialect
   # cross-compiling, but because this is just an optimization we can skip it
   if meson.is_cross_build() and not meson.can_run_host_binaries()
     warning('cannot auto-detect -mtls-dialect when cross-compiling, using compiler default')
+  elif host_machine.system() == 'freebsd'
+    warning('cannot use -mtls-dialect for FreeBSD, using compiler default')
   else
     # The way to specify the TLSDESC dialect is architecture-specific.
     # We probe both because there is not a fallback guaranteed to work for all