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-rw-r--r--CheckLua.cmake23
1 files changed, 23 insertions, 0 deletions
diff --git a/CheckLua.cmake b/CheckLua.cmake
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+# CheckLua.cmake
+
+# Checks whether the Lua standalone interpreter is installed on the host system
+# If found, sets HAS_LUA_INTERPRETER to 1 and LUA_INTERPRETER_VERSION to the version reported ("5.1" etc.)
+# If not found, unsets HAS_LUA_INTERPRETER
+
+
+
+
+execute_process(
+ COMMAND lua -e "io.stdout:write(string.match(_VERSION, '%d+%.%d+'))"
+ RESULT_VARIABLE LUA_EXECUTED
+ OUTPUT_VARIABLE LUA_INTERPRETER_VERSION
+)
+
+if ("${LUA_EXECUTED}" STREQUAL "0")
+ set(HAS_LUA_INTERPRETER 1)
+else()
+ unset(HAS_LUA_INTERPRETER)
+ unset(LUA_INTERPRETER_VERSION)
+endif()
+
+unset(LUA_EXECUTED)