diff --git a/scripts/setup.sh b/scripts/setup.sh
index 6c32285..13dfe70 100644
--- a/scripts/setup.sh
+++ b/scripts/setup.sh
@@ -276,10 +276,15 @@ for f in $(find src -type f -name "*.cpp"); do
   grep -q "<algorithm>" "$f" || sed -i '1i #include <algorithm>' "$f"
 done
 
-# Build Example (Force C++17 for better compatibility with this addon)
+# Build Example
 cd "$REAL_HOME/openFrameworks/addons/ofxPiMapper/example_basic"
-echo "Starting compilation (Forcing C++17)..."
-sudo -u "$REAL_USER" make -j1 USER_CFLAGS="-Wno-error -std=c++17" USER_CPPFLAGS="-std=c++17"
+echo "Cleaning old objects to ensure consistent symbol generation..."
+sudo -u "$REAL_USER" make clean
+
+echo "Starting compilation (Global Flags)..."
+# Using PLATFORM_CFLAGS ensures these flags propagate to the addon source as well
+GLOBAL_FLAGS="-Wno-error -Wno-reorder -Wno-sign-compare -Wno-delete-non-virtual-dtor -std=c++17"
+sudo -u "$REAL_USER" make -j1 PLATFORM_CFLAGS="$GLOBAL_FLAGS" USER_CFLAGS="$GLOBAL_FLAGS" USER_CPPFLAGS="-std=c++17"
 cp bin/example_basic /usr/local/bin/ofxPiMapper
 chmod +x /usr/local/bin/ofxPiMapper