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# FindMATIO
#
# Try to find MATIO library
#
# Once done this will define:
#
# MATIO_FOUND - True if MATIO found.
# MATIO_LIBRARIES - MATIO libraries.
# MATIO_INCLUDE_DIRS - where to find matio.h, etc..
# MATIO_VERSION_STRING - version number as a string (e.g.: "1.3.4")
#
#=============================================================================
# Copyright 2015 Avtech Scientific <http://avtechscientific.com>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# * Neither the names of Kitware, Inc., the Insight Software Consortium,
# nor the names of their contributors may be used to endorse or promote
# products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#=============================================================================
#
# Look for the header file.
find_path(MATIO_INCLUDE_DIR NAMES matio.h DOC "The MATIO include directory")
# Look for the library.
find_library(MATIO_LIBRARY NAMES matio DOC "The MATIO library")
if(MATIO_INCLUDE_DIR)
# ---------------------------------------------------
# Extract version information from MATIO
# ---------------------------------------------------
# If the file is missing, set all values to 0
set(MATIO_MAJOR_VERSION 0)
set(MATIO_MINOR_VERSION 0)
set(MATIO_RELEASE_LEVEL 0)
# new versions of MATIO have `matio_pubconf.h`
if(EXISTS ${MATIO_INCLUDE_DIR}/matio_pubconf.h)
set(MATIO_CONFIG_FILE "matio_pubconf.h")
else()
set(MATIO_CONFIG_FILE "matioConfig.h")
endif()
if(MATIO_CONFIG_FILE)
# Read and parse MATIO config header file for version number
file(STRINGS "${MATIO_INCLUDE_DIR}/${MATIO_CONFIG_FILE}" _matio_HEADER_CONTENTS REGEX "#define MATIO_((MAJOR|MINOR)_VERSION)|(RELEASE_LEVEL) ")
foreach(line ${_matio_HEADER_CONTENTS})
if(line MATCHES "#define ([A-Z_]+) ([0-9]+)")
set("${CMAKE_MATCH_1}" "${CMAKE_MATCH_2}")
endif()
endforeach()
unset(_matio_HEADER_CONTENTS)
endif()
set(MATIO_VERSION_STRING "${MATIO_MAJOR_VERSION}.${MATIO_MINOR_VERSION}.${MATIO_RELEASE_LEVEL}")
endif ()
#==================
mark_as_advanced(MATIO_INCLUDE_DIR MATIO_LIBRARY)
# handle the QUIETLY and REQUIRED arguments and set MATIO_FOUND to TRUE if
# all listed variables are TRUE
include(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(MATIO REQUIRED_VARS MATIO_LIBRARY MATIO_INCLUDE_DIR VERSION_VAR MATIO_VERSION_STRING)
if(MATIO_FOUND)
set(MATIO_LIBRARIES ${MATIO_LIBRARY})
set(MATIO_INCLUDE_DIRS ${MATIO_INCLUDE_DIR})
else(MATIO_FOUND)
set(MATIO_LIBRARIES)
set(MATIO_INCLUDE_DIRS)
endif(MATIO_FOUND)
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