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79 lines
3.1 KiB
79 lines
3.1 KiB
5 months ago
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# Copyright (c) 2009, 2018, Oracle and/or its affiliates. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License, version 2.0,
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# as published by the Free Software Foundation.
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#
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# This program is also distributed with certain software (including
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# but not limited to OpenSSL) that is licensed under separate terms,
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# as designated in a particular file or component or in included license
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# documentation. The authors of MySQL hereby grant you an additional
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# permission to link the program and your derivative works with the
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# separately licensed software that they have included with MySQL.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License, version 2.0, for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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MACRO (MYSQL_USE_BUNDLED_ZLIB)
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SET(BUILD_BUNDLED_ZLIB 1)
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SET(ZLIB_LIBRARY zlib CACHE INTERNAL "Bundled zlib library")
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SET(ZLIB_FOUND TRUE)
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SET(WITH_ZLIB "bundled" CACHE STRING "Use bundled zlib")
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ADD_SUBDIRECTORY(extra/zlib)
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ENDMACRO()
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# MYSQL_CHECK_ZLIB_WITH_COMPRESS
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#
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# Provides the following configure options:
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# WITH_ZLIB_BUNDLED
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# If this is set,we use bindled zlib
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# If this is not set,search for system zlib.
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# if system zlib is not found, use bundled copy
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# ZLIB_LIBRARIES, ZLIB_INCLUDE_DIR and ZLIB_SOURCES
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# are set after this macro has run
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MACRO (MYSQL_CHECK_ZLIB_WITH_COMPRESS)
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IF(CMAKE_SYSTEM_NAME STREQUAL "Windows")
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# Use bundled zlib on some platforms by default (system one is too
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# old or not existent)
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IF (NOT WITH_ZLIB)
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SET(WITH_ZLIB "bundled" CACHE STRING "By default use bundled zlib on this platform")
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ENDIF()
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ENDIF()
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IF(WITH_ZLIB STREQUAL "bundled")
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MYSQL_USE_BUNDLED_ZLIB()
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ELSE()
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SET(ZLIB_FIND_QUIETLY TRUE)
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INCLUDE(FindZLIB)
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IF(ZLIB_FOUND)
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INCLUDE(CheckFunctionExists)
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SET(SAVE_CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
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SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} z)
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CHECK_FUNCTION_EXISTS(crc32 HAVE_CRC32)
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CHECK_FUNCTION_EXISTS(compressBound HAVE_COMPRESSBOUND)
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CHECK_FUNCTION_EXISTS(deflateBound HAVE_DEFLATEBOUND)
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SET(CMAKE_REQUIRED_LIBRARIES ${SAVE_CMAKE_REQUIRED_LIBRARIES})
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IF(HAVE_CRC32 AND HAVE_COMPRESSBOUND AND HAVE_DEFLATEBOUND)
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SET(ZLIB_LIBRARY ${ZLIB_LIBRARIES} CACHE INTERNAL "System zlib library")
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SET(WITH_ZLIB "system" CACHE STRING
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"Which zlib to use (possible values are 'bundled' or 'system')")
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SET(ZLIB_SOURCES "")
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ELSE()
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SET(ZLIB_FOUND FALSE CACHE INTERNAL "Zlib found but not usable")
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MESSAGE(STATUS "system zlib found but not usable")
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ENDIF()
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ENDIF()
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IF(NOT ZLIB_FOUND)
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MYSQL_USE_BUNDLED_ZLIB()
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ENDIF()
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ENDIF()
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ENDMACRO()
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