--- alsa-lib-1.2.15.3.old/include/global.h
+++ alsa-lib-1.2.15.3/include/global.h
@@ -138,7 +138,7 @@
 int snd_user_file(const char *file, char **result);
 
 #ifdef __GLIBC__
-#if !defined(_POSIX_C_SOURCE) && !defined(_POSIX_SOURCE)
+#ifndef _STRUCT_TIMESPEC
 struct timeval {
 	time_t		tv_sec;		/* seconds */
 	long		tv_usec;	/* microseconds */