I pulled up the [http://developer.mozilla.org/en/docs/Windows_Build_Prerequisites#GNU_Tools_for_Microsoft_Windows_.28Cygwin.29 GNU Tools for Microsoft Windows (Cygwin)] installation guide again, and realized that I have missed out the part where it mentioned <b>make 3.80 (not 3.81!) -- dependency analyzer for software builds (Devel category)</b> as one of the required packages. <b>However, when I reinstalled Cygwin again, it didn't give me an option to choose Make 3.80!! (I think this is a serious issue and should be outlined in the Windows Build Documentation)</b>

I tried various solutions (hunted for an older version of Cygwin to install and linking Make 3.80 from Cygwin with ln -s command) but my build still failed. It was frustrating, because through most of the forums that discussed about this problem, it seemed like everyone didn't have a problem "rolling back to version 3.80". However, the version of Cygwin that I installed didn't have the older version of Make and I wasn't the only person experiencing that problem at that time. Both my classmate and I tried the various solutions as per my suggestion but they all failed. After several unsuccessful attempts, I consulted [[User:Sancus|Sancus (Andrei Hajdukewycz)]] for a solution(which was easier than I thought), and the miracle happened, Firefox was then successfully built!!