MS-DOS patches to perl.
Apply this patch to the standard perl source, version 4, patch level 19,
using "patch -p."  Do this in the root directory of the perl source
distribution.

You can cat all these patches together and pipe the output to patch -p.

Len Reed
Holos Software, Inc.
..!gatech!holos0!lbr
holos0!lbr@gatech.edu
--------------------------------------
*** msdos/doscpp.pl.old	Sun Feb 23 13:25:18 1992
--- msdos/doscpp.pl	Tue Oct  9 17:47:26 1990
***************
*** 0 ****
--- 1,74 ----
+ 
+ # This is run by MS-DOS perl.exe to handle the -P option.
+ # The Unix version uses /bin/sed, but MS-DOS doesn't because:
+ #	1) The system may not have a sed clone.
+ #	2) Some DOS compilers can't be run as a pure filter.
+ #	3) A user can alter this script to work with his compiler
+ #	   and not have to touch the source code for perl.
+ 
+ # This version is Microsoft C 6.0 specific: change as required for
+ # your compiler.
+ 
+ # Invoked by perl as
+ #	perl -s this_script [input_file] [-x]
+ 
+ # Input file is STDIN if not listed explicitly.
+ # Output is to STDOUT.
+ # -x is given if the perl script was started by -x.
+ 
+ if (!defined($perllib = $ENV{'PERLLIB'})) {
+     $perllib = "/usr/local/lib/perl";
+ }
+ 
+ # Create a temp file name.  It must be in the same directory as the
+ # script so that #includes work properly.
+ 
+ $tdir = $ARGV[0];
+ 
+ $tdir = "" unless ( $tdir =~ s,(.*[\\/:]).*,$1, );
+ 
+ srand;
+ do {
+     $cppinput = sprintf("${tdir}pcpp%04d.c", rand 10000);
+ } until ( ! -e $cppinput );
+ 
+ $SIG{'SIGINT'} = 'handler';
+ open(CPPINPUT, ">$cppinput") || die "Could not open temp file $cppinput";
+ 
+ while (<>) {
+     next unless /^#/;
+     $x = 0;
+     next if/^#\s*include\s/;
+     next if/^#\s*define\s/;
+     next if/^#\s*undef\s/;
+     next if/^#\s*if\s/;
+     next if/^#\s*ifdef\s/;
+     next if/^#\s*ifndef\s/;
+     next if/^#\s*else\s/;
+     next if/^#\s*elif\s/;
+     next if/^#\s*endif\s/;
+     next if/^#\s*pragma\s/;
+     next if/^#\s*error\s/;
+     $_ = "\n";
+ }
+ continue {
+ 	# Work around MSC 6.0's desire to truncate lines at //
+ 	# Won't work for // that are #included, though.
+     while ( s,//,/FIX_MSC_SLASH_BUG/,g ) {}
+ 	s,//.*,,;
+     print CPPINPUT unless $x;
+ }
+ 
+ close(CPPINPUT);
+ 
+ $result = system "cl -EP -I$perllib -DFIX_MSC_SLASH_BUG= $cppinput";
+ 
+ unlink $cppinput;
+ 
+ exit $result/256;
+ 
+ sub handler
+ {
+     close(CPPINPUT);
+     unlink $cppinput;
+ }