77 lines
2.4 KiB
CMake
77 lines
2.4 KiB
CMake
# If Lua is installed in a non-standard location, please set the LUA_DIR
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# environment variable to point to prefix for the install. Eg:
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# Unix: export LUA_DIR=/home/user/pkg
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# Windows: set LUA_DIR=c:\lua51
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project(lua-cjson C)
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cmake_minimum_required(VERSION 2.6)
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option(USE_INTERNAL_FPCONV "Use internal strtod() / g_fmt() code for performance")
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option(MULTIPLE_THREADS "Support multi-threaded apps with internal fpconv - recommended" ON)
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if(NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE Release CACHE STRING
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"Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel."
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FORCE)
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endif()
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find_package(Lua51 REQUIRED)
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include_directories(${LUA_INCLUDE_DIR})
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if(NOT USE_INTERNAL_FPCONV)
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# Use libc number conversion routines (strtod(), sprintf())
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set(FPCONV_SOURCES fpconv.c)
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else()
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# Use internal number conversion routines
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add_definitions(-DUSE_INTERNAL_FPCONV)
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set(FPCONV_SOURCES g_fmt.c dtoa.c)
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include(TestBigEndian)
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TEST_BIG_ENDIAN(IEEE_BIG_ENDIAN)
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if(IEEE_BIG_ENDIAN)
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add_definitions(-DIEEE_BIG_ENDIAN)
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endif()
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if(MULTIPLE_THREADS)
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set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
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find_package(Threads REQUIRED)
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if(NOT CMAKE_USE_PTHREADS_INIT)
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message(FATAL_ERROR
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"Pthreads not found - required by MULTIPLE_THREADS option")
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endif()
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add_definitions(-DMULTIPLE_THREADS)
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endif()
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endif()
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# Handle platforms missing isinf() macro (Eg, some Solaris systems).
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include(CheckSymbolExists)
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CHECK_SYMBOL_EXISTS(isinf math.h HAVE_ISINF)
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if(NOT HAVE_ISINF)
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add_definitions(-DUSE_INTERNAL_ISINF)
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endif()
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set(_MODULE_LINK "${CMAKE_THREAD_LIBS_INIT}")
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get_filename_component(_lua_lib_dir ${LUA_LIBRARY} PATH)
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if(APPLE)
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set(CMAKE_SHARED_MODULE_CREATE_C_FLAGS
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"${CMAKE_SHARED_MODULE_CREATE_C_FLAGS} -undefined dynamic_lookup")
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endif()
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if(WIN32)
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# Win32 modules need to be linked to the Lua library.
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set(_MODULE_LINK ${LUA_LIBRARY} ${_MODULE_LINK})
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set(_lua_module_dir "${_lua_lib_dir}")
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# Windows sprintf()/strtod() handle NaN/inf differently. Not supported.
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add_definitions(-DDISABLE_INVALID_NUMBERS)
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else()
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set(_lua_module_dir "${_lua_lib_dir}/lua/5.1")
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endif()
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add_library(cjson MODULE lua_cjson.c strbuf.c ${FPCONV_SOURCES})
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set_target_properties(cjson PROPERTIES PREFIX "")
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target_link_libraries(cjson ${_MODULE_LINK})
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install(TARGETS cjson DESTINATION "${_lua_module_dir}")
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# vi:ai et sw=4 ts=4:
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