From David WOod

ld/config/hmake-rtbsd

@@ -1,4 +1,7 @@
+# The IBM RT/PC has only been supported as a host in a cross-development
+# environment.  If you don't have gcc, I was able to get 'hc -Hnocpp -ma'
+# to compile most of the modules, but didn't try running anything.
 YACC = yacc -d
 HDEFINES = -DHOST_SYS=RTBSD_SYS  -DNO_VARARGS
 LDFLAGS = 
-CC=gcc
+CC=gcc		# hc/pcc just can't cut it