+
+ History has shown that nobody distributes patches that also
+ modify patchlevel.h. Do it yourself. The following perl
+ program can be used to add a comment to patchlevel.h:
+
+#!perl
+die "Usage: perl -x patchlevel.h comment ..." unless @ARGV;
+open PLIN, "patchlevel.h" or die "Couldn't open patchlevel.h : $!";
+open PLOUT, ">patchlevel.new" or die "Couldn't write on patchlevel.new : $!";
+my $seen=0;
+while (<PLIN>) {
+ if (/\t,NULL/ and $seen) {
+ while (my $c = shift @ARGV){
+ $c =~ s|\\|\\\\|g;
+ $c =~ s|"|\\"|g;
+ print PLOUT qq{\t,"$c"\n};
+ }
+ }
+ $seen++ if /local_patches\[\]/;
+ print PLOUT;
+}
+close PLOUT or die "Couldn't close filehandle writing to patchlevel.new : $!";
+close PLIN or die "Couldn't close filehandle reading from patchlevel.h : $!";
+close DATA; # needed to allow unlink to work win32.
+unlink "patchlevel.bak" or warn "Couldn't unlink patchlevel.bak : $!"
+ if -e "patchlevel.bak";
+rename "patchlevel.h", "patchlevel.bak" or
+ die "Couldn't rename patchlevel.h to patchlevel.bak : $!";
+rename "patchlevel.new", "patchlevel.h" or
+ die "Couldn't rename patchlevel.new to patchlevel.h : $!";
+__END__
+
+Please keep empty lines below so that context diffs of this file do
+not ever collect the lines belonging to local_patches() into the same
+hunk.
+