Deuce's mod: uses tr instead of awk for lowercase conversion of uname results.

src/xpdev/GNUmakefile

@@ -36,7 +36,8 @@ ifndef os
  os		=	$(shell uname)
  $(warning OS not specified on command line, setting to '$(os)'.)
 endif
-os      :=	$(shell echo $(os) | awk '/.*/ { print tolower($$1)}')
+os      :=	$(shell echo $(os) | tr "[A-Z]" "[a-z]")
+#os      :=	$(shell echo $(os) | awk '/.*/ { print tolower($$1)}')
 
 ifdef bcc
  ODIR	:=	bcc.$(os)