From 69a8f3ac114dea218ec14e35e16dedf83e97164f Mon Sep 17 00:00:00 2001
From: Matthias Koefferlein <matthias@klayout.de>
Date: Fri, 21 Mar 2025 23:52:08 +0100
Subject: [PATCH] Preparations for 0.30.

---
 Changelog.Debian   |  7 ++++++
 src/tl/tl/tlHash.h | 60 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 67 insertions(+)

diff --git a/Changelog.Debian b/Changelog.Debian
index 85f58621a..1d2c2b3c3 100644
--- a/Changelog.Debian
+++ b/Changelog.Debian
@@ -1,3 +1,10 @@
+klayout (0.30.0-1) unstable; urgency=low
+
+  * New features and bugfixes
+    - See changelog
+
+ -- Matthias Köfferlein <matthias@koefferlein.de>  Tue, 25 Mar 2025 00:00:00 +0100
+
 klayout (0.29.12-1) unstable; urgency=low
 
   * New features and bugfixes
diff --git a/src/tl/tl/tlHash.h b/src/tl/tl/tlHash.h
index d00417067..72535c511 100644
--- a/src/tl/tl/tlHash.h
+++ b/src/tl/tl/tlHash.h
@@ -34,6 +34,12 @@
 #include <functional>
 #include <stdint.h>
 
+//  for std::hash of QString and QByteArray
+#if defined(HAVE_QT)
+# include <QString>
+# include <QByteArray>
+#endif
+
 #include "tlSList.h"
 
 /**
@@ -342,6 +348,60 @@ namespace std
     }
   };
 
+#if defined(HAVE_QT) && QT_VERSION < 0x050000
+
+  /**
+   *  @brief Generic hash for QString
+   */
+
+  template <>
+  size_t hfunc (const QString &o, size_t h)
+  {
+    return hfunc_iterable (o, h);
+  }
+
+  template <>
+  size_t hfunc (const QString &o)
+  {
+    return hfunc (o, size_t (0));
+  }
+
+  template <>
+  struct hash <QString>
+  {
+    size_t operator() (const QString &o) const
+    {
+      return hfunc (o);
+    }
+  };
+
+  /**
+   *  @brief Generic hash for QByteArray
+   */
+
+  template <>
+  size_t hfunc (const QByteArray &o, size_t h)
+  {
+    return hfunc_iterable (o, h);
+  }
+
+  template <>
+  size_t hfunc (const QByteArray &o)
+  {
+    return hfunc (o, size_t (0));
+  }
+
+  template <>
+  struct hash <QByteArray>
+  {
+    size_t operator() (const QString &o) const
+    {
+      return hfunc (o);
+    }
+  };
+
+#endif
+
 }
 
 #endif