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-rw-r--r--CMakeLists.txt26
1 files changed, 18 insertions, 8 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 97b21d1f14..b95f7fd277 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -91,16 +91,26 @@ find_package(Threads REQUIRED)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
-find_program(LUA_PRG luajit)
-
-# Need a lua interpreter for running the msgapck metadata/dispatch generator
-if(NOT EXISTS ${LUA_PRG})
- find_program(LUA_PRG lua)
-endif()
-
+# Find Lua interpreter
include(LuaHelpers)
set(LUA_DEPENDENCIES lpeg cmsgpack)
-check_lua_deps(${LUA_PRG} "${LUA_DEPENDENCIES}" LUA_PRG_WORKS)
+if(NOT LUA_PRG)
+ foreach(CURRENT_LUA_PRG luajit lua)
+ # If LUA_PRG is set find_program() will not search
+ unset(LUA_PRG CACHE)
+ unset(LUA_PRG_WORKS)
+ find_program(LUA_PRG ${CURRENT_LUA_PRG})
+
+ if(LUA_PRG)
+ check_lua_deps(${LUA_PRG} "${LUA_DEPENDENCIES}" LUA_PRG_WORKS)
+ if(LUA_PRG_WORKS)
+ break()
+ endif()
+ endif()
+ endforeach()
+else()
+ check_lua_deps(${LUA_PRG} "${LUA_DEPENDENCIES}" LUA_PRG_WORKS)
+endif()
if(NOT LUA_PRG_WORKS)
message(FATAL_ERROR "A suitable Lua interpreter was not found")