* Download [Perl](http://www.perl.org/get.html)
* Extract to `C:\mozilla-build\hexchat`
* Open `win32\Makefile` with a text editor
* Replace `INST_TOP = $(INST_DRV)\perl` with `INST_TOP = $(INST_DRV)\mozilla-build\hexchat\perl-5.16\Win32`
* Comment out `CCTYPE = MSVC60`
* Uncomment `#CCTYPE = MSVC100`
* Uncomment `#WIN64 = undef`
* Open VS x86 command prompt
* Go to win32
* `nmake -f Makefile`
* `nmake -f Makefile install`
* Copy `Copying` to `C:mozilla-build\hexchat\perl-5.16\Win32`