Some changes to enable building with clang

ABRG-Models · Sep 5, 2024 · ae39afc · ae39afc
1 parent 07e48bd
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diff --git a/README.build.compiler.md b/README.build.compiler.md
@@ -42,3 +42,19 @@ clang. Entries in the table for clang on Mac and Linux are to follow.
 | Fedora 40    | gcc              | 14      | Yes*    |
 
 *Well, probably/hopefully/presumably :)
+
+## Building with clang on Linux
+
+Install clang (which on Ubuntu provides clang++) and a suitable version of libstdc++.
+
+On Ubuntu 24, I used `clang-18` and `libstdc++-14-dev` together.
+
+You then call cmake with
+
+```bash
+mkdir build_clang
+cd build_clang
+CC=clang CXX=clang++ cmake ..
+make
+```
+(You probably don't need CC=clang)
diff --git a/morph/qt/viswidget.h b/morph/qt/viswidget.h
@@ -92,7 +92,7 @@ namespace morph {
                 v.render();
             }
 
-            void mousePressEvent (QMouseEvent* event)
+            void mousePressEvent (QMouseEvent* event) override
             {
                 v.set_cursorpos (event->x(), event->y());
                 int bflg = event->button();
@@ -107,15 +107,15 @@ namespace morph {
                 event->accept();
             }
 
-            void mouseMoveEvent (QMouseEvent* event)
+            void mouseMoveEvent (QMouseEvent* event) override
             {
                 if (v.cursor_position_callback (event->x(), event->y())) {
                     this->update();
                 }
                 event->accept();
             }
 
-            void mouseReleaseEvent (QMouseEvent* event)
+            void mouseReleaseEvent (QMouseEvent* event) override
             {
                 v.set_cursorpos (event->x(), event->y());
                 int bflg = event->button();
@@ -126,7 +126,7 @@ namespace morph {
                 event->accept();
             }
 
-            void wheelEvent (QWheelEvent* event)
+            void wheelEvent (QWheelEvent* event) override
             {
                 QPoint numSteps = event->angleDelta() / 120;
                 v.scroll_callback (numSteps.x(), numSteps.y());
@@ -135,7 +135,7 @@ namespace morph {
             }
 
             // Keyboard events...
-            void keyPressEvent (QKeyEvent* event)
+            void keyPressEvent (QKeyEvent* event) override
             {
                 int mflg = event->modifiers();
                 int mods = 0;