$NetBSD: patch-ab,v 1.9 2020/04/16 09:35:36 manu Exp $

--- base.make.in.orig	2020-04-05 20:00:40.000000000 +0200
+++ base.make.in	2020-04-14 15:07:00.418458617 +0200
@@ -40,9 +40,10 @@
     GNUSTEP_BASE_MINOR_VERSION = @MINOR_VERSION@
     GNUSTEP_BASE_SUBMINOR_VERSION = @SUBMINOR_VERSION@
 
     FND_LDFLAGS =
-    FND_LIBS = -lgnustep-base
+    FND_LIBS = -lgnustep-base
+    OBJC_LIBS = -lpthread
     FND_DEFINE = -DGNUSTEP_BASE_LIBRARY=1
     GNUSTEP_DEFINE = -DGNUSTEP
   else
     #
