Moved DOWNLOAD_PROTO_XXX options to config.h

src/Config

 #			Support for sending multicast packets
 #	-DMULTICAST_LEVEL2
 #			Support for receiving multicast packets
-#	-DDNS_RESOLVER
-#			Support for resolving hostnames in bootfile name (experimental)
-#	-DDOWNLOAD_PROTO_TFTP
-#			If defined, includes TFTP support (recommended).
-#	-DDOWNLOAD_PROTO_NFS
-#			If defined, includes NFS support.
-#	-DDEFAULT_PROTO_NFS
-#			If defined, makes NFS the default protocol instead
-#			of TFTP. Requires DOWNLOAD_PROTO_NFS.
-#	-DDOWNLOAD_PROTO_SLAM
-#			If defined, includes Scalable Local Area Multicast
-#			support.
-#	-DDOWNLOAD_PROTO_TFTM
-#			If defined, includes TFTP Multicast mode support.
-#	-DDOWNLOAD_PROTO_HTTP
-#			If defined, includes HTTP support.
 #
 #	Interface export options:
 #
 # CFLAGS+=	-DCOFF_IMAGE 
 # CFLAGS+=	-DRAW_IMAGE
 
-# Download files via TFTP
-CFLAGS+=	-DDOWNLOAD_PROTO_TFTP
-# Change download protocol to NFS, default is TFTP
-# CFLAGS+=	-DDOWNLOAD_PROTO_NFS
-# Change download protocol to HTTP, default is TFTP
-# CFLAGS+=	-DDOWNLOAD_PROTO_HTTP
-# Change default protocol to NFS
-# CFLAGS+=	-DDEFAULT_PROTO_NFS
-# Support to resolve hostnames in boot filename
-# CFLAGS+=	-DDNS_RESOLVER
-
 # Multicast Support
-# CFLAGS+=	-DALLMULTI -DMULTICAST_LEVEL1 -DMULTICAST_LEVEL2 -DDOWNLOAD_PROTO_TFTM
+# CFLAGS+=	-DALLMULTI -DMULTICAST_LEVEL1 -DMULTICAST_LEVEL2
 
 # Etherboot as a PXE network protocol ROM
 CFLAGS+=	-DPXE_IMAGE -DPXE_EXPORT

src/core/config.c

 REQUIRE_OBJECT ( relocate );
 #endif
 
+/*
+ * Drag in all requested protocols
+ *
+ */
+#ifdef DOWNLOAD_PROTO_TFTP
+REQUIRE_OBJECT ( tftp );
+#endif
+#ifdef DOWNLOAD_PROTO_NFS
+REQUIRE_OBJECT ( nfs );
+#endif
+#ifdef DOWNLOAD_PROTO_HTTP
+REQUIRE_OBJECT ( http );
+#endif
+#ifdef DOWNLOAD_PROTO_TFTM
+REQUIRE_OBJECT ( tftm );
+#endif
+#ifdef DOWNLOAD_PROTO_SLAM
+REQUIRE_OBJECT ( slam );
+#endif
+
 /*
  * Drag in any required resolvers
  *

src/include/etherboot.h

 #define DEFAULT_BOOTFILE	PXENFSROOTPATH "/boot/pxeboot"
 #endif
 
-#if	!defined(DOWNLOAD_PROTO_TFTP) && !defined(DOWNLOAD_PROTO_NFS) && !defined(DOWNLOAD_PROTO_SLAM) && !defined(DOWNLOAD_PROTO_TFTM) && !defined(DOWNLOAD_PROTO_DISK) && !defined(DOWNLOAD_PROTO_HTTP)
-#error No download protocol defined!
-#endif
-
 #ifndef	MAX_TFTP_RETRIES
 #define MAX_TFTP_RETRIES	20
 #endif