Boinc doesn't compile on amd64 architecture with gcc4. Attached is simple fix.
Created attachment 72618 [details, diff] fix for gcc4 compilation on amd64 platform This simple fix corrects wrong int == 4 assumption. The change doesn't affect x86. Applies cleanly to: [ebuild R ] sci-misc/boinc-4.72.20050813-r2
Added your patch to boinc-4.72.20050813-r3 thanks.