Hi, so I see, it is tested on GCC 4.5. I am quite surprised that the build works with that compiler as there was a lot of bugs. I will give it a try on 4.6 and 4.7. 4.6 will do parallel linking that saves a lot of time and some memory and 4.7 saves a lot more memory + will eventually have the slim lto that does not build everything twice. Honza