From 823bf8cb515bb10396c705cdc017aa9121cc4d12 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ricardo=20Catalinas=20Jim=C3=A9nez?= <jimenezrick@gmail.com>
Date: Tue, 30 Sep 2014 00:29:25 +0100
Subject: [PATCH] Warn user if erl command not installed

---
 ftplugin/erlang.vim | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/ftplugin/erlang.vim b/ftplugin/erlang.vim
index 49b64eb..8faa6ba 100644
--- a/ftplugin/erlang.vim
+++ b/ftplugin/erlang.vim
@@ -31,6 +31,13 @@ let s:erlang_fun_begin = '^\(\a\w*\|[''][^'']*['']\)(.*$'
 let s:erlang_fun_end   = '^[^%]*\.\s*\(%.*\)\?$'
 
 function s:SetErlangOptions()
+	if executable('erl') != 1
+		echohl ErrorMsg
+		echomsg 'vimerl: erl command not installed'
+		echohl None
+		return
+	endif
+
 	compiler erlang
 	if version >= 700
 		setlocal omnifunc=erlang_complete#Complete