the current linux makefile has g++ replaced with a variable but has g++ hard coded in. This seems inconsistent and causes me trouble (gcc isn't called gcc in my environment).
https://github.com/D-Programming-Language/dmd/commit/9fe0ef9526d8f1f4a69e62b0d6b41713f687ac7f https://github.com/D-Programming-Language/dmd/commit/f530fb7a3520d9504a76a5d3b1a522b932e12e9b