$NetBSD: patch-configure,v 1.5 2018/04/17 22:11:32 wiz Exp $

Fix unportable test(1) operator.

--- configure.orig	2018-03-19 20:11:12.000000000 +0000
+++ configure
@@ -27552,7 +27552,7 @@ if test "x$ac_cv_header_GLES3_gl3_h" = x
 fi
 
 
-      if test "x$HAVE_GLES3_H" == "xyes"; then :
+      if test "x$HAVE_GLES3_H" = "xyes"; then :
 
              ac_fn_c_check_header_compile "$LINENO" "GLES3/gl3ext.h" "ac_cv_header_GLES3_gl3ext_h" "#include <GLES3/gl3.h>
 "
@@ -28443,10 +28443,10 @@ fi
 if test "x$HAVE_GL" = "xyes" -a "x$HAVE_GLES2" = "xyes"; then
   GLES3_H_DEFINE=0
   GLES3EXT3_H_DEFINE=0
-  if test "x$HAVE_GLES3_H" == "xyes"; then
+  if test "x$HAVE_GLES3_H" = "xyes"; then
     GLES3_H_DEFINE=1
   fi
-  if test "x$HAVE_GLES3EXT3_H" == "xyes"; then
+  if test "x$HAVE_GLES3EXT3_H" = "xyes"; then
     GLES3EXT3_H_DEFINE=1
   fi
   GL_INCLUDES="
