diff -up qt-dab-Qt-DAB-6.9/qt-dab-6.9/cmake/Modules/FindQwt.cmake.aaaa qt-dab-Qt-DAB-6.9/qt-dab-6.9/cmake/Modules/FindQwt.cmake

--- qt-dab-Qt-DAB-6.9/qt-dab-6.9/cmake/Modules/FindQwt.cmake.aaaa   2025-01-03 13:10:35.000000000 +0100

+++ qt-dab-Qt-DAB-6.9/qt-dab-6.9/cmake/Modules/FindQwt.cmake    2025-03-11 00:10:22.396884369 +0100

@@ -16,7 +16,8 @@ find_path(QWT_INCLUDE_DIRS

    /usr/include/qwt6

    /usr/include/qwt6-qt6

    /usr/include/qt6/qwt

-   /opt/local/include/qwt

+   /usr/include/qt6/qwt6

+   /opt/local/include/qwt

    /sw/include/qwt

    /usr/local/lib/qwt.framework/Headers

    /usr/local/lib/qwt-qt5/lib/framework/Headers

@@ -49,13 +50,12 @@ if(QWT_INCLUDE_DIRS)

   set(QWT_VERSION "No Version")

   string(REGEX MATCH "[0-9]+.[0-9]+.[0-9]+" QWT_VERSION ${QWT_STRING_VERSION})

   string(COMPARE LESS ${QWT_VERSION} "5.2.0" QWT_WRONG_VERSION)

-  string(COMPARE GREATER ${QWT_VERSION} "6.2.0" QWT_WRONG_VERSION)

   message(STATUS "QWT Version: ${QWT_VERSION}")

   if(NOT QWT_WRONG_VERSION)

     set(QWT_FOUND TRUE)

   else(NOT QWT_WRONG_VERSION)

-    message(STATUS "QWT Version must be >= 5.2 and <= 6.2.0, Found ${QWT_VERSION}")

+    message(STATUS "QWT Version must be >= 5.2, Found ${QWT_VERSION}")

   endif(NOT QWT_WRONG_VERSION)

 endif(QWT_INCLUDE_DIRS)

​