$NetBSD: patch-configure,v 1.13 2025/05/09 14:05:32 adam Exp $

If pthread_create() is detected, add link against libpthread.

--- configure.orig	2025-05-09 14:01:46.698012904 +0000
+++ configure
@@ -16677,6 +16677,7 @@ printf "%s\n" "$ac_cv_lib_pthread_pthrea
 if test "x$ac_cv_lib_pthread_pthread_create" = xyes
 then :
   have_pthread=yes
+  LIBS="-lpthread $LIBS"
 fi
 
   if test "$have_pthread" = yes; then