Compiling C++ code from vim

Question

My .vimrc file looks like that:

set exrc
set secure
set number
set tabstop=2
set shiftwidth=2
set expandtab
set autoindent
set background=dark
set vb t_vb=
set colorcolumn=110
highlight Pmenu ctermfg=2 ctermbg=0 guifg=#ffffff guibg=#0000ff
highlight ColorColumn ctermbg=darkgray
autocmd CompleteDone * pclose
compiler g++

But, when I am opening some C++ files, I see such a message:

E666: compiler not supported: g++

What's the problem?

Answer 1

The :compiler command selects a compiler plugin; there's one named gcc, but none named g++. That's the E666 you get.

You can obtain a list of all installed compiler plugins by typing :compiler followed by <C-D> (lists all) or <Tab> (completion).

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Note that compilation of C/C++ source code is usually done via make (or equivalent build tool); a simple g++ invocation is just for turning a single C/C++ source code file to an object file; you're missing a lot of infrastructure there.

There's the SingleCompile plugin (which supports g++, among many others), though.

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Writing a new compiler plugin isn't much work; you essentially only need to define makeprg and errorformat, see :help write-compiler-plugin.