Update runtime files.
diff --git a/runtime/compiler/stack.vim b/runtime/compiler/stack.vim
new file mode 100644
index 0000000..4236b4c
--- /dev/null
+++ b/runtime/compiler/stack.vim
@@ -0,0 +1,37 @@
+" Vim compiler file
+" Compiler: Haskell Stack
+" Maintainer: Daniel Campoverde <alx@sillybytes.net>
+" Latest Revision: 2018-08-27
+
+if exists("current_compiler")
+ finish
+endif
+let current_compiler = "stack"
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+
+CompilerSet errorformat=
+ \%-G%.%#:\ build\ %.%#,
+ \%-G%.%#:\ configure\ %.%#,
+ \%-G[%.%#]%.%#,
+ \%-G%.%#preprocessing\ %.%#,
+ \%-G%.%#configuring\ %.%#,
+ \%-G%.%#building\ %.%#,
+ \%-G%.%#linking\ %.%#,
+ \%-G%.%#installing\ %.%#,
+ \%-G%.%#registering\ %.%#,
+ \%-G%.%#:\ copy/register%.%#,
+ \%-G%.%#process\ exited\ %.%#,
+ \%-G%.%#--builddir=%.%#,
+ \%-G--%.%#,
+ \%-G%.%#\|%.%#,
+ \%E%f:%l:%c:\ error:,%+Z\ \ \ \ %m,
+ \%E%f:%l:%c:\ error:\ %m,%-Z,
+ \%W%f:%l:%c:\ warning:,%+Z\ \ \ \ %m,
+ \%W%f:%l:%c:\ warning:\ %m,%-Z,
+
+
+let &cpo = s:cpo_save
+unlet s:cpo_save