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# Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
MACRO (MYSQL_USE_BUNDLED_ZLIB)
SET(ZLIB_LIBRARY zlib)
SET(ZLIB_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/zlib)
SET(ZLIB_FOUND TRUE)
SET(WITH_ZLIB "bundled" CACHE STRING "Use bundled zlib")
ADD_SUBDIRECTORY(zlib)
GET_TARGET_PROPERTY(src zlib SOURCES)
FOREACH(file ${src})
SET(ZLIB_SOURCES ${ZLIB_SOURCES} ${CMAKE_SOURCE_DIR}/zlib/${file})
ENDFOREACH()
ENDMACRO()
# MYSQL_CHECK_ZLIB_WITH_COMPRESS
#
# Provides the following configure options:
# WITH_ZLIB_BUNDLED
# If this is set,we use bindled zlib
# If this is not set,search for system zlib.
# if system zlib is not found, use bundled copy
# ZLIB_LIBRARIES, ZLIB_INCLUDE_DIR and ZLIB_SOURCES
# are set after this macro has run
MACRO (MYSQL_CHECK_ZLIB_WITH_COMPRESS)
IF(CMAKE_SYSTEM_NAME STREQUAL "OS400" OR
CMAKE_SYSTEM_NAME STREQUAL "AIX" OR
CMAKE_SYSTEM_NAME STREQUAL "Windows")
# Use bundled zlib on some platforms by default (system one is too
# old or not existent)
IF (NOT WITH_ZLIB)
SET(WITH_ZLIB "bundled" CACHE STRING "By default use bundled zlib on this platform")
ENDIF()
ENDIF()
IF(WITH_ZLIB STREQUAL "bundled")
MYSQL_USE_BUNDLED_ZLIB()
ELSE()
INCLUDE(FindZLIB)
IF(ZLIB_FOUND)
INCLUDE(CheckFunctionExists)
SET(CMAKE_REQUIRED_LIBRARIES z)
CHECK_FUNCTION_EXISTS(crc32 HAVE_CRC32)
CHECK_FUNCTION_EXISTS(compressBound HAVE_COMPRESSBOUND)
CHECK_FUNCTION_EXISTS(deflateBound HAVE_DEFLATEBOUND)
SET(CMAKE_REQUIRED_LIBRARIES)
IF(HAVE_CRC32 AND HAVE_COMPRESSBOUND AND HAVE_DEFLATEBOUND)
SET(WITH_ZLIB "system" CACHE STRING
"Which zlib to use (possible values are 'bundled' or 'system')")
SET(ZLIB_SOURCES "")
ELSE()
SET(ZLIB_FOUND FALSE CACHE INTERNAL "Zlib found but not usable")
MESSAGE(STATUS "system zlib found but not usable")
ENDIF()
ENDIF()
IF(NOT ZLIB_FOUND)
MYSQL_USE_BUNDLED_ZLIB()
ENDIF()
ENDIF()
SET(HAVE_COMPRESS 1)
ENDMACRO()
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