platform/android: enable dynamic dladdr, fix build

common/defaults.h

@@ -69,6 +69,7 @@ SETUP BACKENDS DEFINITIONS
 		#endif // XASH_MESSAGEBOX
 
 		#define XASH_USE_EVDEV
+		#define XASH_DYNAMIC_DLADDR
 	#elif XASH_LINUX
 		// we are building for Linux without SDL2, can draw only to framebuffer yet
 		#ifndef XASH_VIDEO

engine/common/crashhandler.c

@@ -243,6 +243,24 @@ void Sys_RestoreCrashHandler( void )
 #include <signal.h>
 #include <sys/mman.h>
 
+#ifdef XASH_DYNAMIC_DLADDR
+static int d_dladdr( void *sym, Dl_info *info )
+{
+	static int (*dladdr_real) ( void *sym, Dl_info *info );
+
+	if( !dladdr_real )
+		dladdr_real = dlsym( (void*)(size_t)(-1), "dladdr" );
+
+	memset( info, 0, sizeof( *info ) );
+
+	if( !dladdr_real )
+		return -1;
+
+	return dladdr_real(  sym, info );
+}
+#define dladdr d_dladdr
+#endif
+
 int printframe( char *buf, int len, int i, void *addr )
 {
 	Dl_info dlinfo;

engine/platform/posix/lib_posix.c

@@ -198,20 +198,21 @@ void *COM_FunctionFromName( void *hInstance, const char *pName )
 }
 
 #ifdef XASH_DYNAMIC_DLADDR
-int d_dladdr( void *sym, Dl_info *info )
+static int d_dladdr( void *sym, Dl_info *info )
 {
 	static int (*dladdr_real) ( void *sym, Dl_info *info );
 
 	if( !dladdr_real )
 		dladdr_real = dlsym( (void*)(size_t)(-1), "dladdr" );
 
-	Q_memset( info, 0, sizeof( *info ) );
+	memset( info, 0, sizeof( *info ) );
 
 	if( !dladdr_real )
 		return -1;
 
 	return dladdr_real(  sym, info );
 }
+#define dladdr d_dladdr
 #endif
 
 const char *COM_NameForFunction( void *hInstance, void *function )