tempo-plotter Changeset - 9d8cc029351b · protofusion repositories

Changeset - 9d8cc029351b

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Hasan Yavuz ÖZDERYA - 7 years ago 2019-02-10 09:05:13
hy@ozderya.net

fix FindQwt script for platforms where qwt qt5 version isn't called 'qwt-qt5'

also added check for Qt version of the found qwt library

1 file changed with 23 insertions and 5 deletions:

cmake/modules/FindQwt.cmake

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cmake/modules/FindQwt.cmake

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+#
-# Copyright © 2017 Hasan Yavuz Özderya
+# Copyright © 2019 Hasan Yavuz Özderya
+#
 # This file is part of serialplot.
+#
 # serialplot is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
+#
 # serialplot 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 for more details.
@@ @@ -57,66 +57,84 @@ if(qwt_roots) @@
 		set(QWT_ROOT ${qwt_root})
 		set(QWT_VERSION ${qwt_version_string})
 		break() # version is not specified stop at the first qwt_root
 	  endif(Qwt_FIND_VERSION)
 	else(qwt_version_string)
 	  message(WARNING "Couldn't find version string in qwt_global.h file.")
 	endif(qwt_version_string)
   endforeach(qwt_root ${qwt_roots})
 endif(qwt_roots)
 if(QWT_ROOT)
   set(QWT_INCLUDE_DIR "${QWT_ROOT}/include")
   find_library(QWT_LIBRARY "qwt-qt5"
 	PATHS "${QWT_ROOT}/lib")
   find_library(QWT_LIBRARY NAMES "qwt-qt5" "qwt" PATHS "${QWT_ROOT}/lib")
 else (QWT_ROOT)
   ## Look into system locations
   find_path(QWT_INCLUDE_DIR qwt_plot.h PATHS /usr/include/qwt)
   # try extracting version information
   if (QWT_INCLUDE_DIR)
 	unset(qwt_version_string)
 	file(STRINGS "${QWT_INCLUDE_DIR}/qwt_global.h" qwt_version_string
 	  REGEX "#define[ \t]+QWT_VERSION_STR")
 	if(qwt_version_string)
 	  string(REGEX REPLACE "[^\"]*\"([0-9.]+)\".*" "\\1"
 		qwt_version_string ${qwt_version_string})
 	  if(Qwt_FIND_VERSION)
 		if( (qwt_version_string VERSION_EQUAL Qwt_FIND_VERSION) OR
 		  (qwt_version_string VERSION_GREATER Qwt_FIND_VERSION))
 		  set(QWT_VERSION ${qwt_version_string})
 		else ()
 		  set(QWT_INCLUDE_DIR "NOTFOUND")
 		endif()
 	  endif(Qwt_FIND_VERSION)
 	endif(qwt_version_string)
   endif (QWT_INCLUDE_DIR)
   # look into system locations for lib file
   find_library(QWT_LIBRARY "qwt-qt5" PATHS /usr/lib)
+  find_library(QWT_LIBRARY NAMES "qwt-qt5" "qwt" PATHS /usr/lib)
 endif(QWT_ROOT)
 # set version variables
 if(QWT_VERSION)
   string(REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)" "\\1"
 	QWT_MAJOR_VERSION ${QWT_VERSION})
   string(REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)" "\\2"
 	QWT_MINOR_VERSION ${QWT_VERSION})
   string(REGEX REPLACE "([0-9]+)\\.([0-9]+)\\.([0-9]+)" "\\3"
 	QWT_PATCH_VERSION ${QWT_VERSION})
 endif(QWT_VERSION)
 # check Qwt library 'Qt' version
 if (QWT_LIBRARY)
   include(GetPrerequisites)
   GET_PREREQUISITES(${QWT_LIBRARY} qwt_lib_deps 0 0 "" "")
   set(qwt_is_qt5 FALSE)
   foreach (dep ${qwt_lib_deps})
     if (${dep} MATCHES "libQt5Gui")
       set(qwt_is_qt5 TRUE)
     endif()
   endforeach ()
   if (NOT qwt_is_qt5)
     message(WARNING "Found qwt library (${QWT_LIBRARY}) isn't compiled with Qt5!")
     LIST_PREREQUISITES(${QWT_LIBRARY})
   endif()
 endif (QWT_LIBRARY)
 # set QWT_FOUND
 if(QWT_INCLUDE_DIR AND QWT_LIBRARY)
+if(QWT_INCLUDE_DIR AND QWT_LIBRARY AND qwt_is_qt5)
   set(QWT_INCLUDE_DIRS ${QWT_INCLUDE_DIR})
   set(QWT_LIBRARIES ${QWT_LIBRARY})
   set(QWT_FOUND true)
 else()
   set(QWT_FOUND false)
 endif()
 # errors
 if(NOT QWT_FOUND)
   unset(QWT_INCLUDE_DIR CACHE)
   unset(QWT_LIBRARY CACHE)
   if(Qwt_FIND_QUIET)
 	message(WARNING "Couldn't find Qwt.")
   elseif(Qwt_FIND_REQUIRED)
 	message(FATAL_ERROR "Couldn't find Qwt.")
   endif(Qwt_FIND_QUIET)
 endif(NOT QWT_FOUND)

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