111 lines
2.9 KiB
CMake
111 lines
2.9 KiB
CMake
#
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# Locate Lua library
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# This module defines
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# LUA_FOUND - If false, do not try to link to Lua
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# LUA_LIBRARIES
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# LUA_INCLUDE_DIRS - Where to find lua.h
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# LUA_DLL_DIR - (Windows) Path to the Lua DLL.
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# LUA_DLL - (Windows) Name of the Lua DLL.
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#
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# Note that the expected include convention is
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# #include "lua.h"
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# and not
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# #include <lua/lua.h>
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# This is because, the lua location is not standardized and may exist
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# in locations other than lua/
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INCLUDE(FindWSWinLibs)
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FindWSWinLibs("lua5*" "LUA_HINTS")
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find_package(PkgConfig)
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pkg_search_module(LUA lua5.2 lua-5.2 lua52 lua5.1 lua-5.1 lua51 lua5.0 lua-5.0 lua50)
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if(NOT LUA_FOUND)
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pkg_search_module(LUA "lua<=5.2.99")
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endif()
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FIND_PATH(LUA_INCLUDE_DIR lua.h
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HINTS
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"${LUA_INCLUDEDIR}"
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"$ENV{LUA_DIR}"
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${LUA_HINTS}
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PATH_SUFFIXES include/lua52 include/lua5.2 include/lua51 include/lua5.1 include/lua include
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PATHS
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~/Library/Frameworks
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/Library/Frameworks
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/usr/local
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/usr
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/sw # Fink
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/opt/local # DarwinPorts
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/opt/csw # Blastwave
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/opt
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)
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if(LUA_INCLUDE_DIR AND EXISTS "${LUA_INCLUDE_DIR}/lua.h")
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file(STRINGS "${LUA_INCLUDE_DIR}/lua.h" LUA_VERSION_NUM REGEX "LUA_VERSION_NUM")
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if (LUA_VERSION_NUM)
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string(REGEX REPLACE "^#define[ \t]+LUA_VERSION_NUM[ \t]+([0-9]+)" "\\1"
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LUA_VERSION_NUM "${LUA_VERSION_NUM}")
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else()
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set( LUA_VERSION_NUM "500")
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endif()
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endif()
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string( REGEX REPLACE ".*[/\\]lua(.+)$" "\\1" LUA_INC_SUFFIX "${LUA_INCLUDE_DIR}" )
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if ( LUA_INCLUDE_DIR STREQUAL LUA_INC_SUFFIX )
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set( LUA_INC_SUFFIX "")
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endif()
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FIND_LIBRARY(LUA_LIBRARY
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NAMES lua${LUA_INC_SUFFIX} lua52 lua5.2 lua51 lua5.1 lua
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HINTS
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"${LUA_LIBDIR}"
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"$ENV{LUA_DIR}"
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${LUA_HINTS}
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PATH_SUFFIXES lib64 lib
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PATHS
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~/Library/Frameworks
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/Library/Frameworks
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/usr/local
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/usr
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/sw
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/opt/local
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/opt/csw
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/opt
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)
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# Lua 5.3 is not supported, only 5.0/5.1/5.2 are (due to bitops problem)
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if(LUA_VERSION_NUM GREATER 502)
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set(LUA_VERSION_NUM)
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endif()
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INCLUDE(FindPackageHandleStandardArgs)
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# handle the QUIETLY and REQUIRED arguments and set LUA_FOUND to TRUE if
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# all listed variables are TRUE
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find_package_handle_standard_args(LUA
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REQUIRED_VARS LUA_LIBRARY LUA_INCLUDE_DIR LUA_VERSION_NUM
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VERSION_VAR LUA_VERSION_NUM)
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IF(LUA_LIBRARY)
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SET( LUA_LIBRARIES "${LUA_LIBRARY}")
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SET( LUA_INCLUDE_DIRS ${LUA_INCLUDE_DIR} )
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if (WIN32)
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set ( LUA_DLL_DIR "${LUA_HINTS}"
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CACHE PATH "Path to Lua DLL"
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)
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file( GLOB _lua_dll RELATIVE "${LUA_DLL_DIR}"
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"${LUA_DLL_DIR}/lua*.dll"
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)
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set ( LUA_DLL ${_lua_dll}
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# We're storing filenames only. Should we use STRING instead?
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CACHE FILEPATH "Lua DLL file name"
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)
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mark_as_advanced( LUA_DLL_DIR LUA_DLL )
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endif()
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ELSE(LUA_LIBRARY)
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SET( LUA_LIBRARIES )
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SET( LUA_INCLUDE_DIRS )
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SET( LUA_DLL_DIR )
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SET( LUA_DLL )
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ENDIF(LUA_LIBRARY)
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MARK_AS_ADVANCED(LUA_INCLUDE_DIRS LUA_LIBRARIES)
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