[cvs-nhc98] Fix the portable hat lib to build with nhc98.

[Malcolm Wallace]

malcolm: Mon Jan 28 16:20:55 CET 2002

Update of /usr/src/master/nhc/src/hat/lib
In directory hinken:/tmp/cvs-serv1820

Modified Files:
	Makefile PreludeBasic.hs PreludeBuiltin.hs 
Log Message:
Fix the portable hat lib to build with nhc98.
  * Use $(HC) in the makefile to switch compiler options.
  * Eliminate duplicate export of Bool() from PreludeBuiltin
  * Add (Integral a) context on instance of (Eq (Ratio a))