I broke up with neovim....vim is my best friend now

dot_vim/plugged/pony-vim-syntax/autoload/neomake/makers/ft/pony.vim

@@ -0,0 +1,14 @@
+function! neomake#makers#ft#pony#EnabledMakers()
+    return ['ponyc']
+endfunction
+
+function! neomake#makers#ft#pony#ponyc()
+    " This is currently a hack.  Ponyc itself uses the project directory as
+    " the target to build.  Using %:p:h like this fetches the parent
+    " directory of the current file which might cause supurious errors on
+    " package imports if the current file is nested under a sub-directory.
+    return {
+        \ 'args': ['--pass=expr', '%:p:h'],
+        \ 'errorformat': '%f:%l:%c: %m'
+        \ }
+endfunction