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