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#
# Copyright by The HDF Group.
# All rights reserved.
#
# This file is part of HDF5. The full HDF5 copyright notice, including
# terms governing use, modification, and redistribution, is contained in
# the COPYING file, which can be found at the root of the source code
# distribution tree, or in https://www.hdfgroup.org/licenses.
# If you do not have access to either file, you may request a copy from
# help@hdfgroup.org.
#
#########################################################################
# - Derived from the FindTiff.cmake and FindJPEG.cmake that is included with cmake
# FindSZIP
# Find the native SZIP includes and library
# Imported targets
##################
# This module defines the following :prop_tgt:`IMPORTED` targets:
#
# SZIP::SZIP
# The SZIP library, if found.
#
# Result variables
###################
# This module will set the following variables in your project:
# SZIP_FOUND, true if the SZIP headers and libraries were found.
# SZIP_INCLUDE_DIR, the directory containing the SZIP headers.
# SZIP_INCLUDE_DIRS, the directory containing the SZIP headers.
# SZIP_LIBRARIES, libraries to link against to use SZIP.
# Cache variables
#################
# The following variables may also be set:
# SZIP_LIBRARY, where to find the SZIP library.
# SZIP_LIBRARY_DEBUG - Debug version of SZIP library
# SZIP_LIBRARY_RELEASE - Release Version of SZIP library
# message (STATUS "Finding SZIP library and headers..." )
#########################################################################
find_path(SZIP_INCLUDE_DIR szlib.h)
set(szip_names ${SZIP_NAMES} sz szip szip-static libsz libszip libszip-static)
foreach(name ${szip_names})
list (APPEND szip_names_debug "${name}d")
endforeach()
if(NOT SZIP_LIBRARY)
find_library(SZIP_LIBRARY_RELEASE NAMES ${szip_names})
find_library(SZIP_LIBRARY_DEBUG NAMES ${szip_names_debug})
include(SelectLibraryConfigurations)
select_library_configurations(SZIP)
mark_as_advanced(SZIP_LIBRARY_RELEASE SZIP_LIBRARY_DEBUG)
endif()
unset(szip_names)
unset(szip_names_debug)
if(SZIP_INCLUDE_DIR AND EXISTS "${SZIP_INCLUDE_DIR}/SZconfig.h")
file(STRINGS "${SZIP_INCLUDE_DIR}/SZconfig.h" szip_version_str
REGEX "^#define[\t ]+SZIP_PACKAGE_VERSION[\t ]+.*")
string(REGEX REPLACE "^#define[\t ]+SZIP_PACKAGE_VERSION[\t ]+([0-9]+).*"
"\\1" SZIP_VERSION "${szip_version_str}")
unset(szip_version_str)
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(SZIP
REQUIRED_VARS SZIP_LIBRARY SZIP_INCLUDE_DIR
VERSION_VAR SZIP_VERSION)
if(SZIP_FOUND)
set(SZIP_LIBRARIES ${SZIP_LIBRARY})
set(SZIP_INCLUDE_DIRS "${SZIP_INCLUDE_DIR}")
if(NOT TARGET SZIP::SZIP)
add_library(SZIP::SZIP UNKNOWN IMPORTED)
if(SZIP_INCLUDE_DIRS)
set_target_properties(SZIP::SZIP PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${SZIP_INCLUDE_DIRS}")
endif()
if(EXISTS "${SZIP_LIBRARY}")
set_target_properties(SZIP::SZIP PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${SZIP_LIBRARY}")
endif()
if(EXISTS "${SZIP_LIBRARY_RELEASE}")
set_property(TARGET SZIP::SZIP APPEND PROPERTY
IMPORTED_CONFIGURATIONS RELEASE)
set_target_properties(SZIP::SZIP PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES_RELEASE "C"
IMPORTED_LOCATION_RELEASE "${SZIP_LIBRARY_RELEASE}")
endif()
if(EXISTS "${SZIP_LIBRARY_DEBUG}")
set_property(TARGET SZIP::SZIP APPEND PROPERTY
IMPORTED_CONFIGURATIONS DEBUG)
set_target_properties(SZIP::SZIP PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES_DEBUG "C"
IMPORTED_LOCATION_DEBUG "${SZIP_LIBRARY_DEBUG}")
endif()
endif()
endif()
mark_as_advanced(SZIP_LIBRARY SZIP_INCLUDE_DIR)
# Report the results.
if (NOT SZIP_FOUND)
set (SZIP_DIR_MESSAGE
"SZip was not found. Make sure SZIP_LIBRARY and SZIP_INCLUDE_DIR are set or set the SZIP_INSTALL environment variable."
)
if (NOT SZIP_FIND_QUIETLY)
if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
message (VERBOSE "${SZIP_DIR_MESSAGE}")
endif ()
else ()
if (SZIP_FIND_REQUIRED)
message (FATAL_ERROR "SZip was NOT found and is Required by this project")
endif ()
endif ()
endif ()
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