1. Fixed makefile-tail so it uses $(LD) for linker operations instead of $(CC);

$(LD) is set to $(CC) if $(LD) not set before makefile-tail.
2. In makefile-tail added $(UPFRONT_LDFLAGS) to accomdate emscripten build
   where -lidbfs.js needs to come before files in ld call.
3) replaced wasm builds with wasm_nl builds; removed wasm_nl builds.

bin/makeright

@@ -20,7 +20,7 @@
 # Nov 20 2001 JDS:  Convert to use BASH, not CSH, for open-source...
 #
 # usage:  makeright [display-option] [other-option]
-# 
+#
 # example: makeright single	;  make lde for mmaped displayFB
 #	   makeright multi	;  make lde for cg3,cg6
 #	   makeright x		;  make lde for X-windows
@@ -79,11 +79,6 @@ case "$display" in
 		releasename=${osversion}.${architecture}-${display}
 		ldename=ldesdl.js
 		;;
-	wasm_nl) osversion=emscripten
-		architecture=wasm_nl
-		releasename=${osversion}.${architecture}-${display}
-		ldename=ldesdl.js
-		;;
 	*)	echo "display-option: $display is not supported."
 		exit
 		;;