From 15f3bae801aa979981d86aa072f6a35a88a4f21a Mon Sep 17 00:00:00 2001
From: Thiago de Arruda <tpadilha84@gmail.com>
Date: Sun, 13 Apr 2014 07:06:35 -0300
Subject: Add checks for lpeg/cmsgpack lua packages

These checks will stop the build process with meaningful error messages if
any of those packages are not installed.
---
 CMakeLists.txt | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b3ed0f8640..2bc344d4d4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -81,6 +81,24 @@ else()
   message(FATAL_ERROR "A lua interpreter is required for building the Neovim")
 endif()
 
+execute_process(COMMAND ${LUA_PRG} -e "require('lpeg')"
+                RESULT_VARIABLE LUA_LPEG_MISSING
+                ERROR_QUIET)
+
+if(${LUA_LPEG_MISSING})
+  message(FATAL_ERROR
+          "The 'lpeg' lua package is required for building Neovim")
+endif()
+
+execute_process(COMMAND ${LUA_PRG} -e "require('cmsgpack')"
+                RESULT_VARIABLE LUA_MSGPACK_MISSING
+                ERROR_QUIET)
+
+if(${LUA_MSGPACK_MISSING})
+  message(FATAL_ERROR
+         "The 'cmsgpack' lua package is required for building Neovim")
+endif()
+
 add_subdirectory(config)
 add_subdirectory(src)
 add_subdirectory(test/includes)
-- 
cgit