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#
# 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.
#
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# but not limited to OpenSSL) that is licensed under separate terms,
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# 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.
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# 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_ZSTD=system|bundled
# bundled is the default

MACRO (FIND_SYSTEM_ZSTD)
  FIND_PATH(PATH_TO_ZSTD
    NAMES zstd.h
    PATH_SUFFIXES include)
  FIND_LIBRARY(ZSTD_SYSTEM_LIBRARY
    NAMES zstd
    PATH_SUFFIXES lib)
  IF (PATH_TO_ZSTD AND ZSTD_SYSTEM_LIBRARY)
    SET(SYSTEM_ZSTD_FOUND 1)
    SET(ZSTD_LIBRARY ${ZSTD_SYSTEM_LIBRARY})
    MESSAGE(STATUS "ZSTD_LIBRARY ${ZSTD_LIBRARY}")
  ENDIF()
ENDMACRO()

MACRO (MYSQL_USE_BUNDLED_ZSTD)
  SET(WITH_ZSTD "bundled" CACHE STRING "By default use bundled zstd library")
  SET(BUILD_BUNDLED_ZSTD 1)
  SET(ZSTD_LIBRARY zstd CACHE INTERNAL "Bundled zlib library")
  MESSAGE(STATUS "ZSTD_LIBRARY(Bundled) " ${ZSTD_LIBRARY})
ENDMACRO()

IF (NOT WITH_ZSTD)
  SET(WITH_ZSTD "bundled" CACHE STRING "By default use bundled zstd library")
ENDIF()

MACRO (MYSQL_CHECK_ZSTD)
  IF (WITH_ZSTD STREQUAL "bundled")
    MYSQL_USE_BUNDLED_ZSTD()
  ELSEIF(WITH_ZSTD STREQUAL "system")
    FIND_SYSTEM_ZSTD()
    IF (NOT SYSTEM_ZSTD_FOUND)
      MESSAGE(FATAL_ERROR "Cannot find system zstd libraries.")
    ENDIF()
  ELSE()
    MESSAGE(FATAL_ERROR "WITH_ZSTD must be bundled or system")
  ENDIF()
ENDMACRO()