[retro-gtk] build: Add libepoxy dependency

[Adrien Plazas <aplazas src gnome org>]

commit ab470063de1331b7435b1005cc873f829c8c27d8
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Sun Oct 15 09:36:05 2017 +0200

    build: Add libepoxy dependency
    
    This is needed to use OpenGL in the next commit.

 meson.build                   |    3 +++
 retro-gtk/meson.build         |    1 +
 retro-gtk/retro-gtk-0.14.deps |    1 +
 3 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/meson.build b/meson.build
index 7be2f46..916a538 100644
--- a/meson.build
+++ b/meson.build
@@ -3,6 +3,7 @@ project('retro-gtk','c',
   meson_version: '>= 0.43.0',
 )
 
+cc = meson.get_compiler('c')
 gnome = import('gnome')
 
 prefix = get_option('prefix')
@@ -15,12 +16,14 @@ srcinc = include_directories('retro-gtk')
 glib_version = '>= 2.50'
 gtk_version = '>= 3.22'
 
+epoxy = dependency ('epoxy')
 gio = dependency ('gio-2.0', version: glib_version)
 glib = dependency ('glib-2.0', version: glib_version)
 gmodule = dependency ('gmodule-2.0', version: glib_version)
 gobject = dependency ('gobject-2.0', version: glib_version)
 gtk = dependency ('gtk+-3.0', version: gtk_version)
 libpulse_simple = dependency ('libpulse-simple')
+m = cc.find_library('m', required : false)
 
 config_h = configuration_data()
 config_h.set_quoted ('RETRO_PLUGIN_PATH', ':'.join ([libretrodir, libdir]))
diff --git a/retro-gtk/meson.build b/retro-gtk/meson.build
index 7b86739..d791a54 100644
--- a/retro-gtk/meson.build
+++ b/retro-gtk/meson.build
@@ -80,6 +80,7 @@ retro_gtk_c_args = [
 ]
 
 retro_gtk_deps = [
+  epoxy,
   gio,
   glib,
   gmodule,
diff --git a/retro-gtk/retro-gtk-0.14.deps b/retro-gtk/retro-gtk-0.14.deps
index ec2cb16..2fc8f4c 100644
--- a/retro-gtk/retro-gtk-0.14.deps
+++ b/retro-gtk/retro-gtk-0.14.deps
@@ -1,5 +1,6 @@
 
 cairo
+epoxy
 gio-2.0
 glib-2.0
 gmodule-2.0