From 2b6841da3201dfc91bf6c88a064d651ee081f9fa Mon Sep 17 00:00:00 2001
From: Matthew Waters <matthew@centricular.com>
Date: Tue, 16 Aug 2016 16:51:02 +1000
Subject: [PATCH] gl/build: add configure check for possibly missing EGLAttrib

Fixes the build on older android targets.
---
 configure.ac                 | 13 +++++++++++++
 gst-libs/gst/gl/egl/gstegl.h |  5 +++++
 2 files changed, 18 insertions(+)

diff --git a/configure.ac b/configure.ac
index 01c22be535..c5b7645fd9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1384,6 +1384,7 @@ GST_GL_HAVE_GLINTPTR=0
 GST_GL_HAVE_GLSYNC=0
 GST_GL_HAVE_GLUINT64=0
 GST_GL_HAVE_GLINT64=0
+GST_GL_HAVE_EGLATTRIB=0
 
 old_CFLAGS=$CFLAGS
 CFLAGS="$GL_CFLAGS $CFLAGS"
@@ -1423,6 +1424,17 @@ if test "x$ac_cv_type_GLint64" = "xyes"; then
   GST_GL_HAVE_GLINT64=1
 fi
 
+if test "x$USE_EGL" = "xyes"; then
+  EGL_INCLUDES="$GL_INCLUDES
+  #include <EGL/egl.h>
+  #include <EGL/eglext.h>
+  "
+  AC_CHECK_TYPES(EGLAttrib, [], [], [[$EGL_INCLUDES]])
+  if test "x$ac_cv_type_EGLAttrib" = "xyes"; then
+    GST_GL_HAVE_EGLATTRIB=1
+  fi
+fi
+
 CFLAGS=$old_CFLAGS
 
 GL_CONFIG_DEFINES="$GL_CONFIG_DEFINES
@@ -1433,6 +1445,7 @@ GL_CONFIG_DEFINES="$GL_CONFIG_DEFINES
 #define GST_GL_HAVE_GLSYNC $GST_GL_HAVE_GLSYNC
 #define GST_GL_HAVE_GLUINT64 $GST_GL_HAVE_GLUINT64
 #define GST_GL_HAVE_GLINT64 $GST_GL_HAVE_GLINT64
+#define GST_GL_HAVE_EGLATTRIB $GST_GL_HAVE_EGLATTRIB
 "
 
 AC_CONFIG_COMMANDS([gst-libs/gst/gl/gstglconfig.h], [
diff --git a/gst-libs/gst/gl/egl/gstegl.h b/gst-libs/gst/gl/egl/gstegl.h
index 82d4953dde..d227153cd7 100644
--- a/gst-libs/gst/gl/egl/gstegl.h
+++ b/gst-libs/gst/gl/egl/gstegl.h
@@ -46,4 +46,9 @@
 #pragma GCC diagnostic pop
 #endif
 
+/* compatibility definitions... */
+#if !GST_GL_HAVE_EGLATTRIB
+typedef EGLAttrib gintptr;
+#endif
+
 #endif /* _GST_EGL_H_ */