"Wrong assumption about gcc/g++ output" build failure(s) — clang 3.3

Program checks the output of clang and consider the version to be the gcc/g++ one.
PackageVersionSupposed error messageFull log Bug report
inkscape 0.48.4-1configure: error: gcc >= 3.0 is needed to compile inkscape Log
wine-unstable 1.5.30-2configure: error: You need gcc >= 4.4 to build Wine as 64-bit. Log
xtide 2.13-1configure: error: GCC too old Log

3 errors