Integrate perlio:
Jarkko Hietaniemi [Mon, 28 Jan 2002 21:19:40 +0000 (21:19 +0000)]
[ 14477]
Set makefile.mk CCHOME etc. for default locations of MinGW and free
Borland compilers. (Borland builds one or two oddities.)

p4raw-link: @14477 on //depot/perlio: c572eed062f4ffbffd46dc88f12c81ca9a28e084

p4raw-id: //depot/perl@14478


Trivial merge