FindQwt.cmake 4.98 KB
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#
# Copyright (C) 2005-2017 Centre National d'Etudes Spatiales (CNES)
#
# This file is part of Orfeo Toolbox
#
#     https://www.orfeo-toolbox.org/
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

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# Qt Widgets for Technical Applications
# available at http://www.http://qwt.sourceforge.net/
#
# The module defines the following variables:
#  QWT_FOUND - the system has Qwt
#  QWT_INCLUDE_DIR - where to find qwt_plot.h
#  QWT_INCLUDE_DIRS - qwt includes
#  QWT_LIBRARY - where to find the Qwt library
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#  QWT_LIBRARIES - additional libraries
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#  QWT_MAJOR_VERSION - major version
#  QWT_MINOR_VERSION - minor version
#  QWT_PATCH_VERSION - patch version
#  QWT_VERSION_STRING - version (ex. 5.2.1)
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#  QWT_ROOT_DIR - root dir
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#=============================================================================
# Copyright 2010-2013, Julien Schueller
# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
#
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# 1. Redistributions of source code must retain the above copyright notice, this
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#    list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright notice,
#    this list of conditions and the following disclaimer in the documentation
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#    and/or other materials provided with the distribution.
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#
# 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 OWNER 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.

# The views and conclusions contained in the software and documentation are those
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# of the authors and should not be interpreted as representing official policies,
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# either expressed or implied, of the FreeBSD Project.
#=============================================================================

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find_path( QWT_INCLUDE_DIR
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  NAMES qwt_plot.h
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  PATH_SUFFIXES qwt-qt5 qwt qwt6
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)

set ( QWT_INCLUDE_DIRS ${QWT_INCLUDE_DIR} )

# version
set ( _VERSION_FILE ${QWT_INCLUDE_DIR}/qwt_global.h )
if ( EXISTS ${_VERSION_FILE} )
  file ( STRINGS ${_VERSION_FILE} _VERSION_LINE REGEX "define[ ]+QWT_VERSION_STR" )
  if ( _VERSION_LINE )
    string ( REGEX REPLACE ".*define[ ]+QWT_VERSION_STR[ ]+\"(.*)\".*" "\\1" QWT_VERSION_STRING "${_VERSION_LINE}" )
    string ( REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)" "\\1" QWT_MAJOR_VERSION "${QWT_VERSION_STRING}" )
    string ( REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)" "\\2" QWT_MINOR_VERSION "${QWT_VERSION_STRING}" )
    string ( REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)" "\\3" QWT_PATCH_VERSION "${QWT_VERSION_STRING}" )
  endif ()
endif ()


# check version
set ( _QWT_VERSION_MATCH TRUE )
if ( Qwt_FIND_VERSION AND QWT_VERSION_STRING )
  if ( Qwt_FIND_VERSION_EXACT )
    if ( NOT Qwt_FIND_VERSION VERSION_EQUAL QWT_VERSION_STRING )
      set ( _QWT_VERSION_MATCH FALSE )
    endif ()
  else ()
    if ( QWT_VERSION_STRING VERSION_LESS Qwt_FIND_VERSION )
      set ( _QWT_VERSION_MATCH FALSE )
    endif ()
  endif ()
endif ()


find_library ( QWT_LIBRARY
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  NAMES qwt-qt5 qwt6-qt5 qwt qwt6
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)

set ( QWT_LIBRARIES ${QWT_LIBRARY} )


# try to guess root dir from include dir
if ( QWT_INCLUDE_DIR )
  string ( REGEX REPLACE "(.*)/include.*" "\\1" QWT_ROOT_DIR ${QWT_INCLUDE_DIR} )
# try to guess root dir from library dir
elseif ( QWT_LIBRARY )
  string ( REGEX REPLACE "(.*)/lib[/|32|64].*" "\\1" QWT_ROOT_DIR ${QWT_LIBRARY} )
endif ()


# handle the QUIETLY and REQUIRED arguments
include ( FindPackageHandleStandardArgs )
if ( CMAKE_VERSION LESS 2.8.3 )
  find_package_handle_standard_args( Qwt DEFAULT_MSG QWT_LIBRARY QWT_INCLUDE_DIR _QWT_VERSION_MATCH )
else ()
  find_package_handle_standard_args( Qwt REQUIRED_VARS QWT_LIBRARY QWT_INCLUDE_DIR _QWT_VERSION_MATCH VERSION_VAR QWT_VERSION_STRING )
endif ()


mark_as_advanced (
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  QWT_LIBRARY
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  QWT_LIBRARIES
  QWT_INCLUDE_DIR
  QWT_INCLUDE_DIRS
  QWT_MAJOR_VERSION
  QWT_MINOR_VERSION
  QWT_PATCH_VERSION
  QWT_VERSION_STRING
  QWT_ROOT_DIR
)