Disable runtime check for Darwin so we don't have to substitute uname.
--- a/bin/socksify.in
+++ b/bin/socksify.in
@@ -65,11 +65,6 @@
     unset FULLPATH
 fi
 
-#use "FLAT_NAMESPACE" on Darwin in attempt to match LD_PRELOAD behavior
-if test x`uname` = xDarwin; then
-    export DYLD_FORCE_FLAT_NAMESPACE=t
-fi
-
 #dlib/Makefile.am libtool flags should produce a predictable library name
 #(ending in SOLIB_POSTFIX).
 LIBRARY="${SOCKS_LIBRARY:-${FULLPATH}libdsocks.@SOLIB_POSTFIX@}"