2010-09-24 21:24:05 +00:00
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# Look for a directory containing external libraries.
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#
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# The following values are defined
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# EXTERNAL_INCLUDE_PATH - where to find external includes
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# EXTERNAL_LIBRARY_PATH - where to find external libraries
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# EXTERNAL_FOUND - True if the external libraries are available
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# also defined, but not for general use are
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IF(EXTERNAL_PATH)
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# in cache already
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SET(EXTERNAL_FIND_QUIETLY TRUE)
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ENDIF(EXTERNAL_PATH)
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FIND_PATH(EXTERNAL_PATH
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include/png.h
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PATHS
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${CMAKE_CURRENT_SOURCE_DIR}/3rdParty
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${CMAKE_CURRENT_SOURCE_DIR}/../3rdParty
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${CMAKE_CURRENT_SOURCE_DIR}/external
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${CMAKE_CURRENT_SOURCE_DIR}/../external
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)
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IF(EXTERNAL_PATH)
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SET(EXTERNAL_FOUND TRUE)
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SET(EXTERNAL_INCLUDE_PATH "${EXTERNAL_PATH}/include")
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2010-09-25 13:41:37 +00:00
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IF(NOT CMAKE_SIZEOF_VOID_P)
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2010-09-27 22:16:12 +00:00
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INCLUDE (CheckTypeSize)
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CHECK_TYPE_SIZE("void*" CMAKE_SIZEOF_VOID_P)
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2010-09-25 13:41:37 +00:00
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ENDIF(NOT CMAKE_SIZEOF_VOID_P)
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2010-09-24 21:24:05 +00:00
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# Using 32 or 64 bits libraries
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IF(CMAKE_SIZEOF_VOID_P EQUAL 8)
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SET(EXTERNAL_LIBRARY_PATH "${EXTERNAL_PATH}/lib64")
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ELSE(CMAKE_SIZEOF_VOID_P EQUAL 8)
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SET(EXTERNAL_LIBRARY_PATH "${EXTERNAL_PATH}/lib")
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ENDIF(CMAKE_SIZEOF_VOID_P EQUAL 8)
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SET(CMAKE_INCLUDE_PATH "${EXTERNAL_INCLUDE_PATH};${CMAKE_INCLUDE_PATH}")
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# Stupid hack for FindOpenAL.cmake
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SET(CMAKE_INCLUDE_PATH "${EXTERNAL_PATH};${CMAKE_INCLUDE_PATH}")
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SET(CMAKE_LIBRARY_PATH "${EXTERNAL_LIBRARY_PATH};${CMAKE_LIBRARY_PATH}")
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ENDIF(EXTERNAL_PATH)
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IF(EXTERNAL_FOUND)
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IF(NOT EXTERNAL_FIND_QUIETLY)
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MESSAGE(STATUS "Found external: ${EXTERNAL_PATH}")
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ENDIF(NOT EXTERNAL_FIND_QUIETLY)
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ELSE(EXTERNAL_FOUND)
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IF(NOT EXTERNAL_FIND_QUIETLY)
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MESSAGE(STATUS "Warning: Unable to find external!")
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ENDIF(NOT EXTERNAL_FIND_QUIETLY)
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ENDIF(EXTERNAL_FOUND)
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2010-09-25 13:41:37 +00:00
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MARK_AS_ADVANCED(EXTERNAL_INCLUDE_PATH EXTERNAL_LIBRARY_PATH)
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