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PerlApp runs on Win32, Linux, and Solaris.

perlapp (and perl2exe) seems to:
1. Scan the script.
2. Grab the scanned use and require modules/files found in  @inc.
3. use some sort of self-extracting zip/tar and tarball perl, the script, associated modules, files, etc.
4. Run this executable on the host. The self-extractor (after untarring/unzipping into /temp) executes perl script.

Of course the devil is in the details :-) The version of perl that is tarred has @inc of /temp and the local directory.
The self-extractor/perl-boot-loader might be the hardest part (then again, I haven't looked for it).

Are we trying to build a multi-platform compiler, cross-platform compiler, or a free-standing executable of perl scripts?
The difference (to me) being:
multi-platform means win32 compiler for win32 executables, linux for linux (I think this is what is being said)
cross-platform means I can build a linux executable on a win32 machine (this would be crazy, huh?)
free-standing would be the sleazy method described above. I guess that could be considered multi-platform, but I don't know if it's actually a compiler.


and:  <code> code here </code>

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