Update README.md

Author: Ravbug

README.md

@@ -6,4 +6,19 @@ This is a proof-of-concept wrapper repo that makes building SDL projects for And
 	- Your game source code must also configure SDL at some point. See the optional submodule for an example. 
     - Your game should call `add_library` instead of `add_execuable`, and the library must be named `main`, when building for Android.  
 2. Open the root folder of this repository in Android Studio
-3. Build and run!
+3. Build and run!
+
+## Getting the full commands that Gradle is running
+Gradle hides this information by default. Both steps are required:
+1. Add `android.native.buildOutput=verbose` to `gradle.properties`
+2. Add `"-DCMAKE_VERBOSE_MAKEFILE=ON"` to `externalNativeBuild -> cmake -> arguments` in `app/build.gradle`
+```gradle
+android {
+// ...
+	externalNativeBuild {
+		cmake {
+			arguments "-DANDROID_STL=c++_static", "-DCMAKE_VERBOSE_MAKEFILE=ON"
+	}
+// ...
+}
+```