I turns out that the syncqt tool does not create a correct hex version

parse the string version instead

Author: usiems

generator/main.cpp

@@ -307,7 +307,8 @@ bool preprocess(const QString& sourceFile, const QString& targetFile, const QStr
 
 unsigned int getQtVersion(const QStringList& paths)
 {
-  QRegularExpression re("#define\\s+QTCORE_VERSION\\s+0x([0-9a-f]+)", QRegularExpression::CaseInsensitiveOption);
+  QRegularExpression re(R"*(#define\s+QTCORE_VERSION_STR\s+"(\d+)\.(\d+)\.(\d+)")*",
+    QRegularExpression::CaseInsensitiveOption);
 
   // Iterate through provided paths to find the qtcoreversion.h header file
   for (const QString& path : paths) {
@@ -341,10 +342,11 @@ unsigned int getQtVersion(const QStringList& paths)
         auto match = re.match(content);
         if (match.isValid()) {
           unsigned int result;
-          bool ok;
-          result = match.captured(1).toUInt(&ok, 16);
-          if (!ok) {
-            printf("Could not parse Qt version in file [%s] (looked for #define QTCORE_VERSION)\n",
+          bool ok1, ok2, ok3;
+          result = (match.captured(1).toUInt(&ok1) << 16) + (match.captured(2).toUInt(&ok2) << 8)
+                   + match.captured(3).toUInt(&ok3);
+          if (!ok1 || !ok2 || !ok3) {
+            printf("Could not parse Qt version in file [%s] (looked for #define QTCORE_VERSION_STR)\n",
               qPrintable(filePath));
           }
           return result;