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# Copyright (c) 2018, 2025, Oracle and/or its affiliates.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License, version 2.0,
# as published by the Free Software Foundation.
#
# This program is designed to work with certain software (including
# but not limited to OpenSSL) that is licensed under separate terms,
# as designated in a particular file or component or in included license
# documentation. The authors of MySQL hereby grant you an additional
# permission to link the program and your derivative works with the
# separately licensed software that they have either included with
# the program or referenced in the documentation.
#
# 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, version 2.0, 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
# In PB look in /usr/local/java/jdk1.8-64 even if ENV{JAVA_HOME} is unset
# TODO: integrate with storage/ndb/CMakeLists.txt
FIND_PACKAGE(Java COMPONENTS Runtime)
IF(NOT JAVA_FOUND)
IF(DEFINED ENV{JAVA_HOME})
# Could not find Java in the specific location set by JAVA_HOME
# or in standard paths, don't search further
MESSAGE(FATAL_ERROR "Could NOT find Java: neither in specified "
"JAVA_HOME=" $ENV{JAVA_HOME} " or standard location")
ENDIF()
# Prefer Java with same bit size as current build
SET(_bit_suffix "-64")
# Use well known standard base
SET(_base_path /usr/local/java/)
# Search for version in specified order
SET(_preferred_versions
1.8
1.7
1.6)
FOREACH(_version ${_preferred_versions})
SET(_path ${_base_path}jdk${_version}${_bit_suffix})
MESSAGE(STATUS "Looking for Java in ${_path}...")
SET(ENV{JAVA_HOME} ${_path})
FIND_PACKAGE(Java ${_version} COMPONENTS Runtime)
IF(JAVA_FOUND)
# Found java, no need to search further
MESSAGE(STATUS "Found Java in ${_path}")
BREAK()
ENDIF()
ENDFOREACH()
IF(NOT JAVA_FOUND)
# Could not find Java in well known locations either
MESSAGE(FATAL_ERROR "Could NOT find suitable version of Java")
ENDIF()
ENDIF()
GET_FILENAME_COMPONENT(Java_JAVA_bin ${Java_JAVA_EXECUTABLE} PATH)
MESSAGE(STATUS "Java_JAVA_EXECUTABLE is ${Java_JAVA_EXECUTABLE}")
MESSAGE(STATUS "Java_JAVA_bin is ${Java_JAVA_bin}")
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