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-rw-r--r--CMakeLists.txt16
1 files changed, 16 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 02de722bb..272f2394d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,9 @@
cmake_minimum_required (VERSION 2.8.7)
+if (POLICY CMP0054)
+ cmake_policy(SET CMP0054 NEW)
+endif()
+
# Without this, the MSVC variable isn't defined for MSVC builds ( http://www.cmake.org/pipermail/cmake/2011-November/047130.html )
enable_language(CXX C)
@@ -92,6 +96,18 @@ endif()
set(BUILD_TOOLS OFF CACHE BOOL "")
set(SELF_TEST OFF CACHE BOOL "")
+# Check whether Lua 5.1 is installed locally:
+include(CheckLua.cmake)
+if(HAS_LUA_INTERPRETER AND ("${LUA_INTERPRETER_VERSION}" STREQUAL "5.1"))
+ message(STATUS "Lua 5.1 has been found in your system and will be used for the build.")
+else()
+ if (CROSSCOMPILE)
+ message(FATAL "To crosscompile, you need to have Lua 5.1 installed in your system and available in PATH.")
+ endif()
+ message(STATUS "Lua 5.1 has NOT been found in your system, the build will use its own Lua implementation.")
+endif()
+
+
# This has to be done before any flags have been set up.
if(${BUILD_TOOLS})
message("Building tools")