--- config/nim.cfg.orig	2020-10-25 07:25:40 UTC
+++ config/nim.cfg
@@ -10,6 +10,8 @@
 
 cc = clang
 
+nimcache="%%NIMCACHE%%"
+
 # additional options always passed to the compiler:
 --parallel_build: "0" # 0 to auto-detect number of processors
 
@@ -118,12 +120,6 @@ path="$lib/pure"
     clang.options.linker = "-ldl"
     clang.cpp.options.linker = "-ldl"
     tcc.options.linker = "-ldl"
-  @end
-  @if bsd:
-    # BSD got posix_spawn only recently, so we deactivate it for osproc:
-    define:useFork
-    # at least NetBSD has problems with thread local storage:
-    tlsEmulation:on
   @end
   @if haiku:
     gcc.options.linker = "-Wl,--as-needed -lnetwork"