24 lines
573 B
CMake
24 lines
573 B
CMake
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# CheckLua.cmake
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# Checks whether the Lua standalone interpreter is installed on the host system
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# If found, sets HAS_LUA_INTERPRETER to 1 and LUA_INTERPRETER_VERSION to the version reported ("5.1" etc.)
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# If not found, unsets HAS_LUA_INTERPRETER
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execute_process(
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COMMAND lua -e "io.stdout:write(string.match(_VERSION, '%d+%.%d+'))"
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RESULT_VARIABLE LUA_EXECUTED
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OUTPUT_VARIABLE LUA_INTERPRETER_VERSION
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)
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if ("${LUA_EXECUTED}" STREQUAL "0")
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set(HAS_LUA_INTERPRETER 1)
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else()
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unset(HAS_LUA_INTERPRETER)
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unset(LUA_INTERPRETER_VERSION)
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endif()
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unset(LUA_EXECUTED)
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