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#.rst:
# FindLuaInterp
# --------
#
# Find Lua Interpreter
#
# ::
#
# LUA_EXECUTABLE - the full path to lua
# LUA_EXECUTABLE_FOUND - If false, don't attempt to use lua
# LUA_EXECUTABLE_VERSION_STRING - version of lua found
find_program(LUA_EXECUTABLE
NAMES lua
)
if(LUA_EXECUTABLE)
### LUA_VERSION
execute_process(
COMMAND ${LUA_EXECUTABLE} -v
OUTPUT_VARIABLE
LUA_EXECUTABLE_VERSION_STRING
ERROR_VARIABLE
LUA_EXECUTABLE_VERSION_STRING
RESULT_VARIABLE
LUA_VERSION_RESULT_VARIABLE
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_STRIP_TRAILING_WHITESPACE
)
if (NOT LUA_VERSION_RESULT_VARIABLE)
string( REGEX MATCH "([0-9]*)([.])([0-9]*)([.]*)([0-9]*)"
LUA_EXECUTABLE_VERSION
${LUA_EXECUTABLE_VERSION_STRING} )
endif()
endif()
# handle the QUIETLY and REQUIRED arguments and set LUA_FOUND to TRUE if
# all listed variables are TRUE
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Lua
REQUIRED_VARS LUA_EXECUTABLE
VERSION_VAR LUA_VERSION_STRING)
mark_as_advanced(LUA_EXECUTABLE)
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