| 1 | # Locate Lua library |
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| 2 | # This module defines |
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| 3 | # LUA52_FOUND, if false, do not try to link to Lua |
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| 4 | # LUA_LIBRARIES |
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| 5 | # LUA_INCLUDE_DIR, where to find lua.h |
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| 6 | # LUA_VERSION_STRING, the version of Lua found (since CMake 2.8.8) |
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| 7 | # |
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| 8 | # Note that the expected include convention is |
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| 9 | # #include "lua.h" |
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| 10 | # and not |
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| 11 | # #include <lua/lua.h> |
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| 12 | # This is because, the lua location is not standardized and may exist |
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| 13 | # in locations other than lua/ |
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| 14 | |
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| 15 | #============================================================================= |
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| 16 | # Copyright 2007-2009 Kitware, Inc. |
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| 17 | # |
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| 18 | # Distributed under the OSI-approved BSD License (the "License"); |
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| 19 | # see accompanying file Copyright.txt for details. |
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| 20 | # |
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| 21 | # This software is distributed WITHOUT ANY WARRANTY; without even the |
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| 22 | # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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| 23 | # See the License for more information. |
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| 24 | #============================================================================= |
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| 25 | # (To distribute this file outside of CMake, substitute the full |
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| 26 | # License text for the above reference.) |
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| 27 | |
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| 28 | find_path(LUA_INCLUDE_DIR lua.h |
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| 29 | HINTS |
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| 30 | ENV LUA_DIR |
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| 31 | PATH_SUFFIXES include/lua52 include/lua5.2 include/lua-5.2 include/lua include |
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| 32 | PATHS |
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| 33 | ~/Library/Frameworks |
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| 34 | /Library/Frameworks |
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| 35 | /sw # Fink |
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| 36 | /opt/local # DarwinPorts |
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| 37 | /opt/csw # Blastwave |
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| 38 | /opt |
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| 39 | ) |
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| 40 | |
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| 41 | find_library(LUA_LIBRARY |
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| 42 | NAMES lua52 lua5.2 lua-5.2 lua |
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| 43 | HINTS |
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| 44 | ENV LUA_DIR |
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| 45 | PATH_SUFFIXES lib |
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| 46 | PATHS |
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| 47 | ~/Library/Frameworks |
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| 48 | /Library/Frameworks |
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| 49 | /sw |
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| 50 | /opt/local |
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| 51 | /opt/csw |
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| 52 | /opt |
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| 53 | ) |
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| 54 | |
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| 55 | if(LUA_LIBRARY) |
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| 56 | # include the math library for Unix |
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| 57 | if(UNIX AND NOT APPLE AND NOT BEOS) |
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| 58 | find_library(LUA_MATH_LIBRARY m) |
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| 59 | set( LUA_LIBRARIES "${LUA_LIBRARY};${LUA_MATH_LIBRARY}" CACHE STRING "Lua Libraries") |
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| 60 | # For Windows and Mac, don't need to explicitly include the math library |
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| 61 | else() |
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| 62 | set( LUA_LIBRARIES "${LUA_LIBRARY}" CACHE STRING "Lua Libraries") |
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| 63 | endif() |
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| 64 | endif() |
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| 65 | |
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| 66 | if(LUA_INCLUDE_DIR AND EXISTS "${LUA_INCLUDE_DIR}/lua.h") |
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| 67 | file(STRINGS "${LUA_INCLUDE_DIR}/lua.h" lua_version_str REGEX "^#define[ \t]+LUA_RELEASE[ \t]+\"Lua .+\"") |
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| 68 | |
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| 69 | string(REGEX REPLACE "^#define[ \t]+LUA_RELEASE[ \t]+\"Lua ([^\"]+)\".*" "\\1" LUA_VERSION_STRING "${lua_version_str}") |
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| 70 | unset(lua_version_str) |
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| 71 | endif() |
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| 72 | |
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| 73 | include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) |
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| 74 | # handle the QUIETLY and REQUIRED arguments and set LUA_FOUND to TRUE if |
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| 75 | # all listed variables are TRUE |
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| 76 | FIND_PACKAGE_HANDLE_STANDARD_ARGS(Lua52 |
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| 77 | REQUIRED_VARS LUA_LIBRARIES LUA_INCLUDE_DIR |
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| 78 | VERSION_VAR LUA_VERSION_STRING) |
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| 79 | |
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| 80 | mark_as_advanced(LUA_INCLUDE_DIR LUA_LIBRARIES LUA_LIBRARY LUA_MATH_LIBRARY) |
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| 81 | |
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