* ld: Global constructor/destructor support
* Build in C++11 mode
* Import 'config/ax_cxx_compile_stdcxx.m4' from GCC
* Replace 'nvptx-none-run-single' with a locking mechanism in 'nvptx-none-run.exp'
* Change github.com/MentorEmbedded to github.com/SourceryTools
OBS-URL: https://build.opensuse.org/package/show/devel:gcc/nvptx-tools?expand=0&rev=23
