65 lines
2.6 KiB
CMake
65 lines
2.6 KiB
CMake
# 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_PATH - where to find external
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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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SET(EXTERNAL_TEMP_PATH ${CMAKE_CURRENT_SOURCE_DIR}/external ${CMAKE_CURRENT_SOURCE_DIR}/../external ${CMAKE_CURRENT_SOURCE_DIR}/3rdParty ${CMAKE_CURRENT_SOURCE_DIR}/../3rdParty ${EXTERNAL_PATH})
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SET(EXTERNAL_TEMP_FILE "include/png.h")
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SET(EXTERNAL_NAME "external")
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# If using STLport preprend external_stlport
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IF(WITH_STLPORT)
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SET(EXTERNAL_TEMP_PATH ${CMAKE_CURRENT_SOURCE_DIR}/external_stlport ${CMAKE_CURRENT_SOURCE_DIR}/../external_stlport ${EXTERNAL_TEMP_PATH})
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SET(EXTERNAL_TEMP_FILE "include/stlport/string")
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SET(EXTERNAL_NAME "external with STLport")
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ENDIF(WITH_STLPORT)
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SET(EXTERNAL_FOUND FALSE)
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FOREACH(ITEM ${EXTERNAL_TEMP_PATH})
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IF(EXISTS "${ITEM}/${EXTERNAL_TEMP_FILE}" AND NOT EXTERNAL_FOUND)
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SET(EXTERNAL_FOUND TRUE)
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# Get absolute path to avoid ..
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GET_FILENAME_COMPONENT(ITEM ${ITEM} ABSOLUTE)
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SET(EXTERNAL_PATH ${ITEM} CACHE PATH "" FORCE)
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ENDIF(EXISTS "${ITEM}/${EXTERNAL_TEMP_FILE}" AND NOT EXTERNAL_FOUND)
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ENDFOREACH(ITEM ${EXTERNAL_TEMP_PATH})
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IF(EXTERNAL_FOUND)
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SET(EXTERNAL_INCLUDE_PATH "${EXTERNAL_PATH}/include")
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IF(NOT CMAKE_SIZEOF_VOID_P)
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INCLUDE (CheckTypeSize)
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CHECK_TYPE_SIZE("void*" CMAKE_SIZEOF_VOID_P)
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ENDIF(NOT CMAKE_SIZEOF_VOID_P)
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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_FOUND)
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IF(EXTERNAL_FOUND)
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IF(NOT External_FIND_QUIETLY)
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MESSAGE(STATUS "Found ${EXTERNAL_NAME}: ${EXTERNAL_PATH}")
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ENDIF(NOT External_FIND_QUIETLY)
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ELSE(EXTERNAL_FOUND)
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IF(External_FIND_REQUIRED)
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MESSAGE(FATAL_ERROR "Unable to find ${EXTERNAL_NAME}!")
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ELSE(External_FIND_REQUIRED)
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IF(NOT External_FIND_QUIETLY)
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MESSAGE(STATUS "Warning: Unable to find ${EXTERNAL_NAME}!")
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ENDIF(NOT External_FIND_QUIETLY)
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ENDIF(External_FIND_REQUIRED)
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ENDIF(EXTERNAL_FOUND)
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MARK_AS_ADVANCED(EXTERNAL_INCLUDE_PATH EXTERNAL_LIBRARY_PATH)
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