$NetBSD$

--- lib/src/RT0.c.orig	2003-08-19 19:52:54.000000000 +0100
+++ lib/src/RT0.c	2003-08-19 19:55:02.000000000 +0100
@@ -14,9 +14,13 @@
 #define MAX_BACKTRACE_LEVELS 20  /* max number of backtraced procedure calls */
 
 /* note: __config.h might set defines for gc.h, like GC_PTHREADS */
-#if defined(HAVE_LIBGC) && defined(HAVE_GC_GC_H)
+#if defined(HAVE_LIBGC)
 #  define USE_BOEHM_GC
+#if defined(HAVE_GC_GC_H)
 #  include <gc/gc.h>
+#elif defined(HAVE_GC_H)
+#  include <gc.h>
+#endif
 #else
 #  define GC_MALLOC malloc
 #  define GC_MALLOC_ATOMIC malloc
