rudimentary support for building under Windows 95/98 (from

Benjamin Stuhl <sho_pi@hotmail.com>)

p4raw-id: //depot/perl@4329

1 files changed, 81 insertions, 0 deletions

diff --git a/win32/genmk95.pl b/win32/genmk95.pl
new file mode 100644
index 0000000000..74788ff3cb
--- /dev/null
+++ b/win32/genmk95.pl
@@ -0,0 +1,81 @@
+# genmk95.pl - uses miniperl to generate a makefile that command.com
+# (and dmake) will understand given one that cmd.exe will understand
+
+# Author: Benjamin K. Stuhl
+# Date: 8-18-1999
+
+# how it works:
+#    dmake supports an alternative form for its recipes, called "group
+#    recipes", in which all elements of a recipe are run with only one
+#    shell.  This program converts the standard dmake makefile.mk to
+#    one using group recipes. This is done so that lines using && or
+#    || (which command.com doesn't understand) may be split into two
+#    lines.
+
+my ($filein, $fileout) = @ARGV;
+
+chomp (my $loc = `cd`);
+
+open my $in, $filein or die "Error opening input file: $!";
+open my $out, "> $fileout" or die "Error opening output file: $!";
+
+print $out <<_EOH_;
+# *** Warning: this file is autogenerated from $filein by $0 ***
+# *** Do not edit this file - edit $filein instead           ***
+
+_EOH_
+
+my $inrec = 0;
+
+while (<$in>)
+{
+ chomp;
+ if (/^[^#.\t][^#=]*?:/)
+ {
+    if (! $inrec)
+    {
+       print $out "$_\n";
+       while (/\\$/)
+       {
+          chomp($_ = <$in>);
+          print $out "$_\n";
+       }
+       print $out "@[\n";
+       $inrec = 1;
+       next;
+    }
+    else {
+       seek ($out, -3, 2);      # no recipe, so back up and undo grouping
+       print $out "$_\n";
+       $inrec = 0;
+       next;
+    }
+ }
+ if ((/^\s*$/ || /^[^#.\t][^#=]*?:/) && $inrec)
+ {
+    print $out "]\n";
+    print $out "$_\n";
+    $inrec = 0;
+    next;
+ }
+ if (/^(.*?)(&&|\|\|)(.*)$/)  # two commands separated by && or ||
+ {
+    my ($one, $sep, $two) = ($1, $2, $3);
+LINE_CONT:
+    if ($two =~ /\\\s*$/)
+    {
+       chomp ($two .= "\n" . scalar <$in>);
+       goto LINE_CONT;
+    }
+    s/^\s*// for ($one, $two);
+    print $out "\t$one\n\t$two\n" if ($sep eq "&&");
+    print $out "\t$one\n\tif errorlevel 1 $two\n" if ($sep eq "||");
+    print $out "\tcd $loc\n";
+    next;
+ }
+     # fall through - no need for special handling
+ print $out "$_\n";
+}
+print $out "]\n" if ($inrec);
+
+close $in; close $out;