vegasguy is offering a wallet compiling service so you may want to check it out :
https://bitcointalk.org/index.php?topic=1709344.0;topicseen and his rates are as It follows :
Windows 32 bit and 64 bit - .06 BTC for either or .12 BTC for both
Mac OS .1 BTC
Rasberry Pi .1 BTC
Linux 64bit .04 BTC
I'm not sure but If you are paying using BTC , this should belong to the services sub-section in Bitcoin marketplace.