Fix configure.ac - cannot remove the renderer=opengl variable just yet!

git-svn-id: svn+ssh://svn.gna.org/svn/warzone/trunk@495 4a71c877-e1ca-e34f-864e-861f7616d084

configure.ac

@@ -49,13 +49,6 @@ else
   AC_MSG_RESULT([no])
 fi
 
-#   --without-opengl will build without opengl
-# OpenGL is not anymore an option
-# At least till we got a working software renderer
-#AC_ARG_WITH(opengl,
-#[  --with-opengl           use OpenGL to accelerate graphics [[auto]]],
-#[ opengl=$withval ], [ opengl=maybe ])
-
 #   --without-openal will build without OpenAL
 # Commented out as OpenAL is not curently an option,
 # but it will need to become optional someday.
@@ -161,6 +154,7 @@ AC_MSG_CHECKING([OpenGL])
 if test "x$opengl" = "xyes" ; then
 	AC_DEFINE(WZ_OPENGL, 1, [OpenGL acceleration])
 	WZ_LIBS="${WZ_LIBS} -l${GLLIB} -l${GLULIB}"
+	AC_SUBST(RENDERER, "ivis_opengl")
 	AC_MSG_RESULT([yes])
 else
 	AC_MSG_RESULT([no])