jebberjeb/vim+mzscheme.md

## vim+mzscheme.md

      
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    Vim + Racket

A less-known feature of Vim is support for Scheme, for scripting or otherwise. At the time of the original integration, the MZScheme package (a subset of PLTScheme) was used. Eventually, this became Racket. However, in Vim configuration, help, etc, mzscheme is referred to.
The following steps were performed on Ubuntu 14 Server, in order to compile Vim with Scheme support.
Version

To determine whether Vim has been compiled with support for Scheme:
In Vim, :version will likely display -mzscheme, reflecting a lack of Scheme support. Once the steps below are complete, this will become +mzscheme.
Step 1 - Install Racket


downloaded, extracted racket-5.3.6-src-unix.tgz (note version 5.3.6) from download.racket.com
./configure --prefix=/usr
make
sudo make install

I believe, the key difference between this and **other installations was the creation of /usr/lib/libracket3m.a
Other Installations (that Vim couldn't link to)**


sudo apt-get install racket
latest (6.1.1) Ubunutu package from download.racket.com

**Both of these methods successfully installed Racket, but Vim's configure failed to properly link to Racket libs.
Step 2 - Compile Vim with Scheme Support


git clone https://github.com/b4winckler/vim.git ~/vim
cd ~/vim
make distclean
./configure --enable-multibyte --with-features=big --prefix=/usr --enable-mzschemeinterp
make
sudo make install

Note that at the time of writing, this resulted in Vim version 7.4.430.
That's it!

Another look at :version should yield +mzscheme
Now in Vim :mz (+ 1 1) output is 2
Eval the current buffer :call mzeval(join(getline(1, $)))
Or :mzfile <filename>
:help mzscheme for more ways to interact with text, buffers, etc.