WIP

recipes/qwt/all/conanfile.py

@@ -48,9 +48,13 @@ class QwtConan(ConanFile):
     def _is_legacy_one_profile(self):
         return not hasattr(self, "settings_build")
 
+    @property
+    def _is_qt_version_6(self):
+        return Version(self.dependencies["qt"].ref.version).major == "6"
+
     @property
     def _min_cppstd(self):
-        return  17 if self.dependencies["qt"].ref.version >= 6 else 11
+        return  17 if self._is_qt_version_6 else 11
 
     def export_sources(self):
         export_conandata_patches(self)
@@ -145,7 +149,7 @@ def package_info(self):
             self.cpp_info.defines.append("NO_QWT_WIDGETS")
         if self.options.opengl:
             self.cpp_info.requires.append("qt::qtOpenGL")
-            if Version(self.dependencies["qt"].ref.version).major >= "6":
+            if self._is_qt_version_6:
                 self.cpp_info.requires.append("qt::qtOpenGLWidgets")
         else:
             self.cpp_info.defines.append("QWT_NO_OPENGL")