From 474894ed17a037a464e5bd845a0765a50f647898 Mon Sep 17 00:00:00 2001
From: Eli Schwartz <eschwartz93@gmail.com>
Date: Sun, 11 Sep 2022 01:09:17 -0400
Subject: meson: fast-fail on unsupported OSes

It's not worth even attempting to configure anything on OSes where there
is no DRM to have a userspace library for.

This failure message can be useful in e.g. the case where libdrm is an
optional wrap fallback in another project.

Signed-off-by: Eli Schwartz <eschwartz93@gmail.com>
Reviewed-by: Dylan Baker <dylan@pnwbakers.com>
---
 meson.build | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/meson.build b/meson.build
index 62040c67..024381d3 100644
--- a/meson.build
+++ b/meson.build
@@ -27,6 +27,10 @@ project(
   default_options : ['buildtype=debugoptimized', 'c_std=c11'],
 )
 
+if ['windows', 'darwin'].contains(host_machine.system())
+  error('unsupported OS: @0@'.format(host_machine.system()))
+endif
+
 pkg = import('pkgconfig')
 
 config = configuration_data()
-- 
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