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72 lines
2.0 KiB
CMake
72 lines
2.0 KiB
CMake
4 months ago
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#
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# local copy
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#
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if( WIN32 )
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message( STATUS "Detecting local ZLIB" )
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find_path( ZLIB_LOCAL_INCLUDE_DIRS "zlib.h"
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PATHS "${CMAKE_CURRENT_SOURCE_DIR}/include"
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NO_DEFAULT_PATH )
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if(CMAKE_SIZEOF_VOID_P EQUAL 4)
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find_library( ZLIB_LOCAL_LIBRARIES
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NAMES zlib
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PATHS "${CMAKE_CURRENT_SOURCE_DIR}/lib/Win32"
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NO_DEFAULT_PATH )
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else()
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find_library( ZLIB_LOCAL_LIBRARIES
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NAMES zlib
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PATHS "${CMAKE_CURRENT_SOURCE_DIR}/lib/x64"
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NO_DEFAULT_PATH )
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endif()
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mark_as_advanced( ZLIB_LOCAL_LIBRARIES )
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mark_as_advanced( ZLIB_LOCAL_INCLUDE_DIRS )
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if( ZLIB_LOCAL_LIBRARIES AND ZLIB_LOCAL_INCLUDE_DIRS )
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file( STRINGS "${ZLIB_LOCAL_INCLUDE_DIRS}/zlib.h" ZLIB_H REGEX "^#define[ \t]+ZLIB_VERSION[ \t]+\"[^\"]+\".*$" )
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string( REGEX REPLACE "^.*ZLIB_VERSION[ \t]+\"([^\"]+)\".*$" "\\1" ZLIB_VERSION "${ZLIB_H}" )
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message( STATUS "Found local ZLIB: ${ZLIB_LOCAL_LIBRARIES} (found version ${ZLIB_VERSION})" )
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set( HAVE_LOCAL_ZLIB ON
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CACHE BOOL "zlib is available as a local copy" )
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mark_as_advanced( HAVE_LOCAL_ZLIB )
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else()
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foreach( _VAR ZLIB_LOCAL_LIBRARIES ZLIB_LOCAL_INCLUDE_DIRS )
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if( NOT "${_VAR}" )
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set( MISSING_VARS ${MISSING_VARS} ${_VAR} )
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endif()
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endforeach()
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message( STATUS "Could NOT find local ZLIB (missing: ${MISSING_VARS})" )
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unset( HAVE_LOCAL_ZLIB CACHE )
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endif()
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message( STATUS "Detecting local ZLIB - done" )
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endif( WIN32 )
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#
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# system
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#
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message( STATUS "Detecting system ZLIB" )
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unset( ZLIB_LIBRARIES CACHE )
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unset( ZLIB_INCLUDE_DIRS CACHE )
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find_package( ZLIB )
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set( ZLIB_SYSTEM_LIBRARIES ${ZLIB_LIBRARIES}
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CACHE PATH "system zlib libraries" )
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set( ZLIB_SYSTEM_INCLUDE_DIRS ${ZLIB_INCLUDE_DIRS}
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CACHE PATH "system zlib include directories" )
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mark_as_advanced( ZLIB_SYSTEM_LIBRARIES )
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mark_as_advanced( ZLIB_SYSTEM_INCLUDE_DIRS )
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if( ZLIB_SYSTEM_LIBRARIES AND ZLIB_SYSTEM_INCLUDE_DIRS )
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set( HAVE_SYSTEM_ZLIB ON
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CACHE BOOL "zlib is available on the system" )
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mark_as_advanced( HAVE_SYSTEM_ZLIB )
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else()
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unset( HAVE_SYSTEM_ZLIB CACHE )
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endif()
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message( STATUS "Detecting system ZLIB - done" )
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#
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# configure
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#
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CONFIGURE_WITH_LOCAL_OR_SYSTEM( ZLIB )
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