diff -ur alsa-lib/aserver/aserver.c alsa-lib-patch/aserver/aserver.c
--- alsa-lib/aserver/aserver.c	2021-05-28 00:30:16.000000000 +0300
+++ alsa-lib-patch/aserver/aserver.c	2021-06-02 18:18:31.636265488 +0300
@@ -35,6 +35,7 @@
 
 #include "aserver.h"
 
+const char *_snd_module_control_empty;
 char *command;
 
 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
diff -ur alsa-lib/src/ucm/ucm_exec.c alsa-lib-patch/src/ucm/ucm_exec.c
--- alsa-lib/src/ucm/ucm_exec.c	2021-05-28 00:30:16.000000000 +0300
+++ alsa-lib-patch/src/ucm/ucm_exec.c	2021-06-02 18:10:31.353590485 +0300
@@ -31,6 +31,7 @@
 #include <sys/stat.h>
 #include <sys/wait.h>
 #include <dirent.h>
+#include <limits.h>
 
 static pthread_mutex_t fork_lock = PTHREAD_MUTEX_INITIALIZER;