--- lablgtk-2.18.13/src/ml_rsvg.c.orig 2022-10-06 01:55:37.000000000 -0600
+++ lablgtk-2.18.13/src/ml_rsvg.c 2022-10-12 09:01:06.544979170 -0600
@@ -52,6 +52,9 @@ ML_0(rsvg_handle_new, Val_pointer)
#ifdef HAVE_SVGZ
#include <librsvg/rsvg-gz.h>
ML_0 (rsvg_handle_new_gz, Val_pointer)
+#elif defined(LIBRSVG_HAVE_SVGZ) && LIBRSVG_HAVE_SVGZ
+CAMLprim value ml_rsvg_handle_new_gz()
+{ return Val_pointer(rsvg_handle_new ()); }
#else
CAMLprim value ml_rsvg_handle_new_gz()
{ failwith ("Doesn't support GZipped SVG files"); return Val_unit; }