Refactor the test a bit. Build only one target.
Features: Add cxx_variadic_templates.
Features: Add cxx_constexpr.
Features: Add cxx_static_assert.
Features: Add cxx_final.
Features: Add cxx_override.
Features: Add cxx_auto_function.
Features: Add cxx_auto_type.
Features: Add cxx_strong_enums.
Features: Add cxx_decltype.
Features: Add cxx_defaulted_functions.
Features: Add cxx_deleted_functions.
Features: Add cxx_explicit_conversions.
Features: Add cxx_inheriting_constructors.
Features: Add cxx_lambdas.
Features: Add cxx_nonstatic_member_init.
Features: Add cxx_noexcept.
Features: Add cxx_nullptr.
Features: Add cxx_range_for.
Merge topic 'cxx11-features' into next

e483d5d2 Features: Add cxx_range_for.
6d5b1c1b Features: Add cxx_nullptr.
4ce9e328 Features: Add cxx_noexcept.
0b028c40 Features: Add cxx_nonstatic_member_init.
288cb99b Features: Add cxx_lambdas.
4ab97ce3 Features: Add cxx_inheriting_constructors.
53c73932 Features: Add cxx_explicit_conversions.
87a05562 Features: Add cxx_deleted_functions.
4f0117c2 Features: Add cxx_defaulted_functions.
a8e894e9 Features: Add cxx_decltype.
d74ce433 Features: Add cxx_strong_enums.
42f9ccda Features: Add cxx_auto_type.
b9301bf0 Features: Add cxx_auto_function.
fbb08fb6 Features: Add cxx_override.
bc8f164d Features: Add cxx_final.
71a46e27 Features: Add cxx_static_assert.
...