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32d25e6b85
* [lua] Fix library type and usage * version * Use c code in executables * version * Apply suggestion * version * Add an extra CMakeLists.txt to avoid scope pollution of SET_SOURCE_FILES_PROPERTIES * version * Apply suggestions * version * Various nitpicks: * Use "supports" on features rather than if tests plus message FATAL_ERROR * Deduplicate ENABLE_LUA_CPP and COMPILE_AS_CPP * Add quotes. * Use file(INSTALL rather than configure_file(COPYONLY) Co-authored-by: Billy Robert O'Neal III <bion@microsoft.com>
115 lines
3.6 KiB
CMake
115 lines
3.6 KiB
CMake
# Lua can be compiled as either C or C++.
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# Default configuration is C, set COMPILE_AS_CPP to ON to use C++.
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# See http://stackoverflow.com/questions/13560945/c-and-c-library-using-longjmp for why would you want to do that.
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# Primary differences:
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# - Exceptions will be used instead of setjmp/longjmp
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# - The name mangling for functions will be C++ instead of C.
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# - This is a source-incompatible change because extern "C" is chosen by the including application.
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# - The lua.hpp header will not be available.
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PROJECT ( lua )
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CMAKE_MINIMUM_REQUIRED(VERSION 3.18)
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# Build Libraries
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FILE(GLOB HDR_LIBLUA "${CMAKE_SOURCE_DIR}/src/*.h")
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# For luac.c
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LIST(REMOVE_ITEM HDR_LIBLUA "${CMAKE_SOURCE_DIR}/src/lopnames.h")
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FILE(GLOB SRC_LIBLUA "${CMAKE_SOURCE_DIR}/src/*.c")
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# Executables luac and luai
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LIST(REMOVE_ITEM SRC_LIBLUA "${CMAKE_SOURCE_DIR}/src/luac.c" "${CMAKE_SOURCE_DIR}/src/lua.c")
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IF (WIN32)
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# remove warnings
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ADD_DEFINITIONS (-D_CRT_SECURE_NO_WARNINGS )
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ENDIF ()
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IF (UNIX)
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ADD_DEFINITIONS (-DLUA_USE_POSIX)
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FIND_LIBRARY (LIB_MATH NAMES m)
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IF (LIB_MATH)
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LINK_LIBRARIES (${LIB_MATH})
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ENDIF ()
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ENDIF ()
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# C library
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SET (CMAKE_C_STANDARD 99)
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SET(SRC_LIBLUAC ${SRC_LIBLUA})
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ADD_LIBRARY ( lua ${SRC_LIBLUAC} ${HDR_LIBLUA} )
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TARGET_INCLUDE_DIRECTORIES(lua PRIVATE $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/src> PUBLIC $<INSTALL_INTERFACE:include>)
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SET_PROPERTY (TARGET lua PROPERTY POSITION_INDEPENDENT_CODE ON)
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SET_SOURCE_FILES_PROPERTIES(${SRC_LIBLUAC} PROPERTIES LANGUAGE C)
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IF (BUILD_SHARED_LIBS AND WIN32)
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TARGET_COMPILE_DEFINITIONS (lua PUBLIC -DLUA_BUILD_AS_DLL )
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ENDIF ()
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IF (UNIX)
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IF (APPLE)
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TARGET_COMPILE_DEFINITIONS (lua PUBLIC -DLUA_USE_DLOPEN)
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ELSE ()
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FIND_LIBRARY (LIB_DLOPEN NAMES dl)
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IF (LIB_DLOPEN)
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TARGET_COMPILE_DEFINITIONS (lua PUBLIC -DLUA_USE_DLOPEN)
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TARGET_LINK_LIBRARIES (lua ${LIB_DLOPEN})
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ENDIF ()
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ENDIF ()
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ENDIF ()
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INSTALL ( TARGETS lua
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EXPORT unofficial-lua-config
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RUNTIME DESTINATION bin
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LIBRARY DESTINATION lib
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ARCHIVE DESTINATION lib
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)
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install(EXPORT unofficial-lua-config DESTINATION share/unofficial-lua)
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# CXX library
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IF (COMPILE_AS_CPP)
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ADD_SUBDIRECTORY(cpp)
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ENDIF()
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IF (INSTALL_TOOLS)
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# compiler uses non-exported APIs, so must include sources directly.
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ADD_EXECUTABLE ( luac ${CMAKE_SOURCE_DIR}/src/luac.c ${SRC_LIBLUA} ${CMAKE_SOURCE_DIR}/src/lopnames.h )
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ADD_EXECUTABLE ( luai ${CMAKE_SOURCE_DIR}/src/lua.c ) # interpreter
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TARGET_INCLUDE_DIRECTORIES(luac PRIVATE ${CMAKE_CURRENT_LIST_DIR}/src)
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TARGET_LINK_LIBRARIES ( luai PRIVATE lua )
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SET_TARGET_PROPERTIES ( luai PROPERTIES OUTPUT_NAME lua PDB_NAME luai )
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IF (UNIX)
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IF (CMAKE_SYSTEM_NAME STREQUAL FreeBSD)
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SET (_LIB_READLINE_NAME edit)
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ELSE ()
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SET (_LIB_READLINE_NAME readline)
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ENDIF ()
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FIND_LIBRARY (LIB_READLINE NAMES ${_LIB_READLINE_NAME})
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IF (LIB_READLINE)
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TARGET_COMPILE_DEFINITIONS (luai PUBLIC -DLUA_USE_READLINE)
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TARGET_LINK_LIBRARIES(luai ${LIB_READLINE})
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IF (_LIB_READLINE_NAME STREQUAL edit)
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TARGET_INCLUDE_DIRECTORIES (luai PUBLIC /usr/include/edit)
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ENDIF ()
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ENDIF ()
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ENDIF ()
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INSTALL ( TARGETS luai luac RUNTIME DESTINATION tools/lua )
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ENDIF ()
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IF (NOT SKIP_INSTALL_HEADERS)
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INSTALL(
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FILES
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src/lualib.h
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src/lua.h
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src/luaconf.h
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src/lauxlib.h
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DESTINATION include
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)
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# If using C++, don't install extern "C" wrapper.
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IF (NOT COMPILE_AS_CPP)
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INSTALL(FILES src/lua.hpp DESTINATION include)
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ENDIF ()
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ENDIF ()
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