Modified sf-check-missing-os-files to deal with 'sf.os.compile.iterate' property. Added new target 'sf-compile-options' for setting the gmake sbs compile option, and added it as a dep for the compile targets.
#!perl -w
use strict;
# Sorts the input, removes duplicates, and outputs it
# Read it
my @content = <>;
# Sort it, and grep to remove duplicates
my $previous = "\n\n";
@content = grep {$_ ne $previous && ($previous = $_, 1) } sort @content;
# Write it
print @content;