From 41738ca83b63c911e6b90f1dbce748830282031b Mon Sep 17 00:00:00 2001
From: Lubosz Sarnecki <lubosz.sarnecki@collabora.co.uk>
Date: Fri, 2 Oct 2015 13:31:39 +0200
Subject: [PATCH] build: Add dmabuf build condition.

configure.ac: Build dmabuf when EGL and drm_fourcc.h is available.
gl: Link gst-allocators.

https://bugzilla.gnome.org/show_bug.cgi?id=743345
---
 configure.ac                | 15 +++++++++++++++
 gst-libs/gst/gl/Makefile.am |  1 +
 2 files changed, 16 insertions(+)

diff --git a/configure.ac b/configure.ac
index 0119ec2246..7334de5a1f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -813,6 +813,21 @@ else
   fi
 fi
 
+dnl check for DMABUF support
+HAVE_DRM_FOURCC_HEADER=no
+AC_CHECK_HEADER(libdrm/drm_fourcc.h,
+  HAVE_DRM_FOURCC_HEADER=yes, )
+
+HAVE_GST_ALLOCATORS=no
+PKG_CHECK_MODULES(GST_ALLOCATORS, gstreamer-allocators-1.0,
+  HAVE_GST_ALLOCATORS=yes, )
+
+if test "x$HAVE_DRM_FOURCC_HEADER" = "xyes" -a \
+        "x$HAVE_GST_ALLOCATORS" = "xyes" -a \
+        "x$HAVE_EGL" = "xyes"; then
+          AC_DEFINE(GST_GL_HAVE_DMABUF, [1] , [DMABUF available for gl plugins])
+fi
+
 dnl check if we can include both GL and GLES2 at the same time
 if test "x$HAVE_GL" = "xyes" -a "x$HAVE_GLES2" = "xyes"; then
   GL_INCLUDES="
diff --git a/gst-libs/gst/gl/Makefile.am b/gst-libs/gst/gl/Makefile.am
index be0e4b6b6e..edc1370f98 100644
--- a/gst-libs/gst/gl/Makefile.am
+++ b/gst-libs/gst/gl/Makefile.am
@@ -114,6 +114,7 @@ endif
 if USE_EGL
 SUBDIRS += egl
 libgstgl_@GST_API_VERSION@_la_LIBADD += egl/libgstgl-egl.la
+libgstgl_@GST_API_VERSION@_la_LIBADD += -lgstallocators-$(GST_API_VERSION)
 endif
 
 configexecincludedir = $(libdir)/gstreamer-@GST_API_VERSION@/include/gst/gl