nvcc no longer supporting gcc?

From the Cuda 10 release notes:

The following compilers are supported as host compilers in nvcc:

Clang 6.0

Microsoft Visual Studio 2017* (RTW, Update 8 and later)

Xcode 9.4

XLC 16.1.x

ICC 18

PGI 18.x (with -std=c++14 mode)

*Starting with CUDA 10.0, nvcc supports all versions of Visual Studio 2017 (past and upcoming