cc/gcc: set CXXFLAGS at configure gcc
Since gcc 4.8 C++ is also used as implementation language (see gcc
release notes).
Signed-off-by: "Daniel Dittmann" <ddittmann@gmx.net>
Message-Id: <acc7d11bc77b30f21c5b.1388863298@bernalk.machteam>
Patchwork-Id: 306883
1 reporter_name="Ioannis E. VENETIS"
2 reporter_url="http://sourceware.org/ml/crossgcc/2009-11/msg00109.html"