How to set up compiler globally?

Question

In my vimrc, I have a compiler myCompiler. When the editor starts up, everything is fine. When I switch to a new file, the compiler settings (makeprg and errorformat) revert to their defaults.

How can I set the compiler globally?

Answer 1

Use :compiler!.

From :h :compiler:

:comp[iler][!] {name}       Set options to work with compiler {name}.
                            Without the "!" options are set for the
                            current buffer.  With "!" global options are
                            set.