From bd3b3c44a410225e1daa6bc76601cdfe1be18484 Mon Sep 17 00:00:00 2001
From: Dylan Baker <dylan@pnwbakers.com>
Date: Wed, 18 Apr 2018 13:17:20 -0700
Subject: meson: Add a platform for windows

This mirrors the haiku build which uses a platform.
---
 meson.build       | 10 ++++++++--
 meson_options.txt |  1 +
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/meson.build b/meson.build
index 1d262fbc0e..1f6e1a77b8 100644
--- a/meson.build
+++ b/meson.build
@@ -250,6 +250,8 @@ else
 endif
 
 with_platform_android = false
+with_platform_haiku = false
+with_platform_windows = false
 with_platform_wayland = false
 with_platform_x11 = false
 with_platform_drm = false
@@ -259,10 +261,12 @@ _platforms = get_option('platforms')
 if _platforms.contains('auto')
   if system_has_kms_drm
     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
-  elif ['darwin', 'windows', 'cygwin'].contains(host_machine.system())
+  elif ['darwin', 'cygwin'].contains(host_machine.system())
     _platforms = ['x11', 'surfaceless']
   elif ['haiku'].contains(host_machine.system())
     _platforms = ['haiku']
+  elif host_machine.system() == 'windows'
+    _platforms = ['windows']
   else
     error('Unknown OS. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.')
   endif
@@ -274,6 +278,7 @@ if _platforms != ['']
   with_platform_drm = _platforms.contains('drm')
   with_platform_haiku = _platforms.contains('haiku')
   with_platform_surfaceless = _platforms.contains('surfaceless')
+  with_platform_windows = _platforms.contains('windows')
   egl_native_platform = _platforms[0]
 endif
 
@@ -394,7 +399,8 @@ if with_any_vk and (with_platform_x11 and not with_dri3)
   error('Vulkan drivers require dri3 for X11 support')
 endif
 if with_dri or with_gallium
-  if with_glx == 'disabled' and not with_egl and not with_platform_haiku
+  if (with_glx == 'disabled' and not with_egl and not with_platform_haiku and
+      not with_platform_windows)
     error('building dri or gallium drivers require at least one window system')
   endif
 endif
diff --git a/meson_options.txt b/meson_options.txt
index 2c1f514deb..5d3805e877 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -24,6 +24,7 @@ option(
   value : ['auto'],
   choices : [
     '', 'auto', 'x11', 'wayland', 'drm', 'surfaceless', 'haiku', 'android',
+    'windows',
   ],
   description : 'comma separated list of window systems to support. If this is set to auto all platforms applicable to the OS will be enabled.'
 )
-- 
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