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-rw-r--r--CMakeLists.txt12
1 files changed, 12 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 02de722bb..f5ea75ba5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -92,6 +92,18 @@ 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")