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## ---------------------------------------------------------------------
##
## Copyright (C) 2014 - 2015 by the deal.II authors
##
## This file is part of the deal.II library.
##
## The deal.II library is free software; you can use it, redistribute
## it, and/or modify it under the terms of the GNU Lesser General
## Public License as published by the Free Software Foundation; either
## version 2.1 of the License, or (at your option) any later version.
## The full text of the license can be found in the file LICENSE at
## the top level of the deal.II distribution.
##
## ---------------------------------------------------------------------
#
# Try to find the ZLIB library
#
# This module exports
#
# ZLIB_LIBRARIES
# ZLIB_INCLUDE_DIRS
# ZLIB_VERSION
#
SET(ZLIB_DIR "" CACHE PATH "An optional hint to a ZLIB installation")
SET_IF_EMPTY(ZLIB_DIR "$ENV{ZLIB_DIR}")
IF(NOT "${ZLIB_DIR}" STREQUAL "")
SET(ZLIB_ROOT ${ZLIB_DIR})
ENDIF()
# temporarily disable ${CMAKE_SOURCE_DIR}/cmake/modules for module lookup
LIST(REMOVE_ITEM CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/modules/)
FIND_PACKAGE(ZLIB)
LIST(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/modules/)
SET(ZLIB_VERSION ${ZLIB_VERSION_STRING})
DEAL_II_PACKAGE_HANDLE(ZLIB
LIBRARIES REQUIRED ZLIB_LIBRARY
INCLUDE_DIRS REQUIRED ZLIB_INCLUDE_DIR
CLEAR ZLIB_INCLUDE_DIR ZLIB_LIBRARY
)
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