diff --git a/makefile b/makefile
index e4bd2e5c..bcbbae6d 100644
--- a/makefile
+++ b/makefile
@@ -921,14 +921,12 @@ ifeq (${WIN32},)  #*nix Environments (&& cygwin)
         $(info *** Warning *** libpcap networking support)
         $(info *** Warning ***)
         $(info *** Warning *** To build simulator(s) with libpcap networking support you)
-        ifneq (,$(and $(findstring Linux,$(OSTYPE)),$(call find_exe,apt-get)))
-          $(info *** Warning *** should install the libpcap development components for)
-          $(info *** Warning *** for your Linux system:)
-          $(info *** Warning ***        $$ sudo apt-get install libpcap-dev)
-        else
-          $(info *** Warning *** should read 0readme_ethernet.txt and follow the instructions)
+        $(info *** Warning *** should install the libpcap development components for)
+        $(info *** Warning *** for your $(OSNAME) system.)
+        ifeq (,$(or $(findstring Linux,$(OSTYPE)),$(findstring OSX,$(OSNAME))))
+          $(info *** Warning *** You should read 0readme_ethernet.txt and follow the instructions)
           $(info *** Warning *** regarding the needed libpcap development components for your)
-          $(info *** Warning *** $(OSTYPE) platform)
+          $(info *** Warning *** $(OSNAME) platform.)
         endif
         $(info *** Warning ***)
       endif