Use version agnostic FindLua from cmake-3.0.0

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.8.0)
+cmake_minimum_required(VERSION 3.0.0)
 set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS  TRUE)
 
 if(COMMAND cmake_policy)

awesomeConfig.cmake

@@ -60,8 +60,8 @@ a_find_program(CONVERT_EXECUTABLE convert TRUE)
 include(FindDoxygen)
 # pkg-config
 include(FindPkgConfig)
-# lua 5.1
-include(FindLua51)
+# lua
+include(FindLua)
 # }}}
 
 # {{{ Check if documentation can be build
@@ -189,11 +189,6 @@ else()
     message(STATUS "checking for __builtin_clz -- no")
 endif()
 
-# Error check
-if(NOT LUA51_FOUND AND NOT LUA50_FOUND) # This is a workaround to a cmake bug
-    message(FATAL_ERROR "lua library not found")
-endif()
-
 set(AWESOME_REQUIRED_LDFLAGS
     ${AWESOME_COMMON_REQUIRED_LDFLAGS}
     ${AWESOME_REQUIRED_LDFLAGS}