mesa: add meson.build for libmesa

Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Reviewed-by: Yiwei Zhang <zzyiwei@chromium.org>
Reviewed-by: Ryan Neph <ryanneph@google.com>
Acked-by: Gert Wollny <gert.wollny@collabora.com>

src/gallium/meson.build

@@ -126,9 +126,11 @@ libgallium = static_library(
    include_directories : [
       inc_gallium, inc_configuration
    ],
+   dependencies: mesa_dep,
 )
 
 gallium_dep = declare_dependency(
    link_with: libgallium,
-   include_directories: [inc_gallium, inc_configuration]
+   include_directories: [inc_gallium, inc_configuration],
+   dependencies: mesa_dep,
 )

src/mesa/meson.build

@@ -0,0 +1,23 @@
+# Copyright 2021 Google LLC
+# SPDX-License-Identifier: MIT
+
+inc_mesa = include_directories('.')
+
+files_mesa = files(
+)
+
+deps_mesa = [
+]
+
+libmesa = static_library(
+  'mesa',
+  files_mesa,
+  include_directories: inc_mesa,
+  dependencies: deps_mesa,
+)
+
+mesa_dep = declare_dependency(
+  link_with: libmesa,
+  include_directories: inc_mesa,
+  dependencies: deps_mesa,
+)

src/meson.build

@@ -21,6 +21,7 @@
 # OTHER DEALINGS IN THE SOFTWARE.
 #
 
+subdir('mesa')
 subdir('gallium')
 
 virgl_sources = [