docs: update macOS static compile for Xcode 15

docs/static-compile.md

@@ -1,7 +1,14 @@
 # Compile a static desktop remote-ui app
 
+A static remote-ui app allows to run the application on other systems without having to install
+the Qt runtime environment.
+
+This is not required for local development.
+
 ## macOS
 
+Tested on macOS 13 with Xcode SDK 13.
+
 ### Install Qt 5.15.2 & Qt Creator
 
 1. Download Qt for Open Source development: <https://www.qt.io/download>
@@ -16,7 +23,20 @@
 
 ### Compile static Qt framework
 
-1. Make sure that XCode and command line tools are installed
+---
+
+⚠️ Xcode 15 with SDK 14 breaks qmake and the build! This requires the following Qt patches:
+
+- https://bugreports.qt.io/browse/QTBUG-117225
+- https://bugreports.qt.io/browse/QTBUG-114316
+  - Patch: https://codereview.qt-project.org/c/qt/qtbase/+/482392
+
+See [comment in issue #1](https://github.com/unfoldedcircle/remote-ui/issues/1#issuecomment-1788131945)
+for more information on how to patch it.
+
+---
+
+1. Make sure that Xcode and command line tools are installed
 2. Patch Qt source file `~/Qt/5.15.2/Src/qtbase/src/plugins/platforms/cocoa/qiosurfacegraphicsbuffer.h`  
    Add the following include just before QT_BEGIN_NAMESPACE:
 ```
@@ -37,13 +57,13 @@ cd ~/projects/qt-static-5.15.2
     -opengl -qt-freetype -qt-pcre -qt-harfbuzz -platform macx-clang
 ```
 5. Make  
-   Adjust `4` to the available number of cores in your machine:
+   Adjust `8` to the available number of cores in your machine:
 ```shell
-make -j 4
+make -j 8
 ```
 6. Install
 ```shell
-make -j 4 install
+make -j 8 install
 ```
 7. Configure a new Qt Kit in Qt Creator
    - Preferences, Kits, Qt Versions: Add...