uftrace: fix musl

srcpkgs/uftrace/patches/musl-rtld_default.patch

@@ -0,0 +1,13 @@
+--- libmcount/plthook.c	2017-12-05 06:11:38.000000000 +0100
++++ libmcount/plthook.c	2017-12-06 21:17:22.716483918 +0100
+@@ -32,6 +32,10 @@
+ #define PAGE_SIZE  4096
+ #define PAGE_ADDR(addr)  ((void *)((addr) & ~(PAGE_SIZE - 1)))
+ 
++#if !defined(RTLD_DEFAULT)
++#define RTLD_DEFAULT ((void *) 0)
++#endif
++
+ static void segv_handler(int sig, siginfo_t *si, void *ctx)
+ {
+ 	if (segv_handled)

srcpkgs/uftrace/patches/strerror.patch

@@ -9,3 +9,25 @@
  
  	color(TERM_COLOR_RESET, logfp);
  
+--- libtraceevent/event-parse.c	2017-12-05 06:11:38.000000000 +0100
++++ libtraceevent/event-parse.c	2017-12-06 21:02:42.135421115 +0100
+@@ -5353,12 +5353,19 @@
+ 	const char *msg;
+ 
+ 	if (errnum >= 0) {
++#if defined(__GLIBC__)
+ 		msg = strerror_r(errnum, buf, buflen);
+ 		if (msg != buf) {
+ 			size_t len = strlen(msg);
+ 			memcpy(buf, msg, min(buflen - 1, len));
+ 			*(buf + min(buflen - 1, len)) = '\0';
+ 		}
++#else
++		int rc = strerror_r(errnum, buf, buflen);
++		if (rc < 0) {
++			snprintf(buf, buflen, "Error %d", errnum);
++		}
++#endif
+ 		return 0;
+ 	}
+