$OpenBSD: patch-dynl_c,v 1.1 2004/09/15 19:13:34 espie Exp $
--- dynl.c.orig	Sat Jan 25 16:41:11 2003
+++ dynl.c	Sun Sep  5 11:41:31 2004
@@ -424,7 +424,23 @@ SCM l_dyn_call(symb, shl)
   ASRTER(NIMP(symb) && STRINGP(symb), symb, ARG1, s_call);
   ASRTER(NIMP(shl) && CAR(shl)==tc16_shl, shl, ARG2, s_call);
   DEFER_INTS;
-  func = dlsym(SHL(shl), CHARS(symb));
+#ifdef __OpenBSD__
+# ifndef __ELF__
+  {
+  char *n;
+
+  n = malloc(LENGTH(symb)+2);
+  if (n) {
+  	*n = '_';
+	strcpy(n+1, CHARS(symb));
+	func = dlsym(SHL(shl), n);
+	free(n);
+  }
+  }
+# endif
+#endif
+  if (!func)
+        func = dlsym(SHL(shl), CHARS(symb));
   if (!func) {
     char *dlr = dlerror();
     ALLOW_INTS;
@@ -453,7 +469,23 @@ SCM l_dyn_main_call(symb, shl, args)
   ASRTER(NIMP(symb) && STRINGP(symb), symb, ARG1, s_main_call);
   ASRTER(NIMP(shl) && CAR(shl)==tc16_shl, shl, ARG2, s_main_call);
   DEFER_INTS;
-  func = dlsym(SHL(shl), CHARS(symb));
+#ifdef __OpenBSD__
+# ifndef __ELF__
+  {
+  char *n;
+
+  n = malloc(LENGTH(symb)+2);
+  if (n) {
+  	*n = '_';
+	strcpy(n+1, CHARS(symb));
+	func = dlsym(SHL(shl), n);
+	free(n);
+  }
+  }
+# endif
+#endif
+  if (!func)
+        func = dlsym(SHL(shl), CHARS(symb));
   if (!func) {
     char *dlr = dlerror();
     ALLOW_INTS;