This is a successful proposal submitted by me to  HelenOS  in  GSoC 2012 . The project ‘ Port gcc to HelenOS ‘ looked very interesting and challenging to me among the  list of projects . So I worked during  application period  on  HelenOS and this project a little bit to get preliminary idea of project requirement and submitted the proposal after that. Proposal “Port GNU Compiler Collection (gcc) to HelenOS” by Vivek Prakash, HelenOS, 2012 Abstract GNU Compiler Collection  has frontends to C, C++, Objective-C, Fortran, Java, Ada and includes libraries for these languages. The goal of this project is to port at least the C compiler part of GNU CC i.e. gcc-core to HelenOS. Porting gcc will be a major step towards HelenOS to become a self-hosting operating system, where all development work can be done inside HelenOS itself. Project description The port of GNU binutils and the implementation of  libposix library last year has alr...