fix for compiling with musl diff -ru asterisk-12.4.0.orig/include/asterisk/lock.h asterisk-12.4.0/include/asterisk/lock.h --- asterisk-12.4.0.orig/include/asterisk/lock.h 2013-11-02 06:05:24.000000000 -0200 +++ asterisk-12.4.0/include/asterisk/lock.h 2014-08-04 16:00:29.811967599 -0300 @@ -66,7 +66,7 @@ #define AST_PTHREADT_NULL (pthread_t) -1 #define AST_PTHREADT_STOP (pthread_t) -2 -#if (defined(SOLARIS) || defined(BSD)) +#if (defined(SOLARIS) || defined(BSD) || !defined(HAVE_PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP)) #define AST_MUTEX_INIT_W_CONSTRUCTORS #endif /* SOLARIS || BSD */