diff --git a/app/Makefile b/app/Makefile
index b7fe88d..5b92973 100644
--- a/app/Makefile
+++ b/app/Makefile
@@ -74,9 +74,9 @@ alex: ./result/bin/classes.dex
 #	  --lib $(ANDROID_JAR) --output ./result/bin; RESULT=$$?; echo result was $$RESULT; (exit $$RESULT)
 
 
-./result/bin/lib/arm64-v8a/libnativecode.so: $(ANDROIDSRCS)
+./result/bin/lib/arm64-v8a/libnativecode.so: $(ANDROIDSRCS) ./android-sdk/installed
 	mkdir -p "$$(dirname "$@")"
-	$(CC_ARM64) $(CFLAGS) $(CFLAGS_ARM64) -o $@ $^ -L$(NDK_TOOLCHAIN)/sysroot/usr/lib/aarch64-linux-android/$(ANDROIDVERSION) $(LDFLAGS)
+	$(CC_ARM64) $(CFLAGS) $(CFLAGS_ARM64) -o $@ $(ANDROIDSRCS) -L$(NDK_TOOLCHAIN)/sysroot/usr/lib/aarch64-linux-android/$(ANDROIDVERSION) $(LDFLAGS)
 
 
 
@@ -92,10 +92,10 @@ alex: ./result/bin/classes.dex
 #	  -v -f -m  -S ./res -J ./src -M ./AndroidManifest.xml \
 #	  -I $(ANDROID_JAR)
 
-# generate the AppActivity.java (template 
-# the "|" denotes an "order-only" prerequiste (as in https://stackoverflow.com/a/58040049/1711186)
-./src/$(PACKAGE)/AppActivity.java: app-config.sh | ./src/$(PACKAGE)
-	./.Makefile.scripts/make--AppActivity.java.sh > $@
+## generate the AppActivity.java (template 
+## the "|" denotes an "order-only" prerequiste (as in https://stackoverflow.com/a/58040049/1711186)
+#./src/$(PACKAGE)/AppActivity.java: app-config.sh | ./src/$(PACKAGE)
+#	./.Makefile.scripts/make--AppActivity.java.sh > $@
 
 ./src/$(PACKAGE):
 	mkdir -p $@