diff -uNr nim-1.6.0/makefile nim-1.6.0.mod/makefile
--- nim-1.6.0/makefile	2021-10-19 01:39:26.000000000 +0100
+++ nim-1.6.0.mod/makefile	2021-11-28 08:52:56.003610701 +0100
@@ -23,7 +23,7 @@
 
 ifeq ($(uos),linux)
   myos = linux
-  LDFLAGS += -ldl -lm -lrt
+  LDFLAGS += -ldl -lm
 endif
 ifeq ($(uos),dragonfly)
   myos = freebsd