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lz4.cmake
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# Copyright (c) 2015, 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
# cmake -DWITH_LZ4=system|bundled
# bundled is the default
MACRO (FIND_SYSTEM_LZ4)
FIND_PATH(PATH_TO_LZ4 NAMES lz4frame.h)
FIND_LIBRARY(LZ4_SYSTEM_LIBRARY NAMES lz4)
IF (PATH_TO_LZ4 AND LZ4_SYSTEM_LIBRARY)
SET(SYSTEM_LZ4_FOUND 1)
SET(LZ4_INCLUDE_DIR ${PATH_TO_LZ4})
SET(LZ4_LIBRARY ${LZ4_SYSTEM_LIBRARY})
MESSAGE(STATUS "LZ4_INCLUDE_DIR ${LZ4_INCLUDE_DIR}")
MESSAGE(STATUS "LZ4_LIBRARY ${LZ4_LIBRARY}")
ENDIF()
ENDMACRO()
MACRO (MYSQL_USE_BUNDLED_LZ4)
SET(BUILD_BUNDLED_LZ4 1)
SET(LZ4_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/extra/lz4)
SET(LZ4_LIBRARY lz4_lib)
ENDMACRO()
IF (NOT WITH_LZ4)
SET(WITH_LZ4 "bundled" CACHE STRING "By default use bundled lz4 library")
ENDIF()
MACRO (MYSQL_CHECK_LZ4)
IF (WITH_LZ4 STREQUAL "bundled")
MYSQL_USE_BUNDLED_LZ4()
ELSEIF(WITH_LZ4 STREQUAL "system")
FIND_SYSTEM_LZ4()
IF (NOT SYSTEM_LZ4_FOUND)
MESSAGE(FATAL_ERROR "Cannot find system lz4 libraries.")
ENDIF()
ELSE()
MESSAGE(FATAL_ERROR "WITH_LZ4 must be bundled or system")
ENDIF()
ENDMACRO()