+CFLAGS_PRELOAD=
+ifneq ($(DP_MAKE_TARGET), mingw)
+ifdef DP_PRELOAD_DEPENDENCIES
+# DP_PRELOAD_DEPENDENCIES: when set, link against the libraries needed using -l
+# dynamically so they won't get loaded at runtime using dlopen
+ LDFLAGS_CL+=$(LDFLAGS_UNIXCL_PRELOAD)
+ LDFLAGS_SV+=$(LDFLAGS_UNIXSV_PRELOAD)
+ LDFLAGS_SDL+=$(LDFLAGS_UNIXSDL_PRELOAD)
+ CFLAGS_PRELOAD=$(CFLAGS_UNIX_PRELOAD)
+endif
+endif
+
+CFLAGS_NET=
+# Systems without IPv6 support should uncomment this:
+#CFLAGS_NET+=-DNOSUPPORTIPV6