Compiling on Debian

[vmx]

In case someone wants to compile it on Debian testing, this made it compile for me:

diff --git a/build/prebuild.sh b/build/prebuild.sh
index 55d40b7..d7289b8 100755
--- a/build/prebuild.sh
+++ b/build/prebuild.sh
@@ -118,7 +118,7 @@ fi
 if [ "$NO_UPDATE" != "TRUE" ]; then
     echo ""
     echo "Updating Common..."
-    python $SCRIPT_DIR/fetch_dependencies.py
+    python3 $SCRIPT_DIR/fetch_dependencies.py

     if [ $? -ne 0 ]; then
         echo "Error: encountered an error while fetching dependencies. Aborting..."
diff --git a/build/util/linux/copy_post_build_gui.sh b/build/util/linux/copy_post_build_gui.sh
index e181b9f..d0a9b55 100755
--- a/build/util/linux/copy_post_build_gui.sh
+++ b/build/util/linux/copy_post_build_gui.sh
@@ -14,9 +14,9 @@ if [ -n "$QT_LIB_DIR" ]; then
   cp $QT_LIB_DIR/libQt5Gui.so.5 $OUTPUT_DIR/lib/
   cp $QT_LIB_DIR/libQt5Widgets.so.5 $OUTPUT_DIR/lib/
   cp $QT_LIB_DIR/libQt5XcbQpa.so.5 $OUTPUT_DIR/lib/
-  cp $QT_LIB_DIR/libicui18n.so.50 $OUTPUT_DIR/lib/
-  cp $QT_LIB_DIR/libicudata.so.50 $OUTPUT_DIR/lib/
-  cp $QT_LIB_DIR/libicuuc.so.50 $OUTPUT_DIR/lib/
+  cp $QT_LIB_DIR/libicui18n.so.* $OUTPUT_DIR/lib/
+  cp $QT_LIB_DIR/libicudata.so.* $OUTPUT_DIR/lib/
+  cp $QT_LIB_DIR/libicuuc.so.* $OUTPUT_DIR/lib/
   cp $QT_LIB_DIR/libQt5Svg.so.5 $OUTPUT_DIR/lib/
   cp $QT_PLUGINS_DIR/imageformats/libqsvg.so $OUTPUT_DIR/lib/platforms/imageformats/
   cp $QT_PLUGINS_DIR/platforms/libqxcb.so $OUTPUT_DIR/lib/platforms/

I ran CMake as cmake –DCMAKE_BUILD_TYPE=Debug -DCMAKE_CXX_FLAGS='-Wno-narrowing' ../