more Android debugging.

os/pl-stream.c

@@ -38,6 +38,18 @@
 #include <config.h>
 #endif
 
+#if __ANDROID__
+#include <android/asset_manager.h>
+#include <android/asset_manager_jni.h>
+#include <android/log.h>
+#else
+inline void __android_log_print(int i, const char loc[], const char msg[], ...) {}
+#define ANDROID_LOG_INFO 0
+#define ANDROID_LOG_ERROR 0
+#define ANDROID_LOG_DEBUG 0
+#endif
+
+
 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 This modules defines the  SWI-Prolog  I/O   streams.  These  streams are
 provided to gain common access to  any   type  of character data: files,