File libpfm-3.52.diff of Package libpfm

--- examples/Makefile
+++ examples/Makefile
@@ -43,7 +43,7 @@ ifeq ($(CONFIG_PFMLIB_ARCH_CRAYXT),y)
 CFLAGS += -DCONFIG_PFMLIB_ARCH_CRAYXT
 endif
 
-CFLAGS+= -I. -D_GNU_SOURCE
+CFLAGS+= -I. -D_GNU_SOURCE -Wno-error
 LIBS += -lm
 
 ifeq ($(SYS),Linux)
--- lib/pfmlib_itanium2.c
+++ lib/pfmlib_itanium2.c
@@ -240,7 +240,8 @@ check_inst_retired_events(pfmlib_input_p
 	for(i=0; i < count; i++) {
 		pfm_get_event_code(inp->pfp_events[i].event, &c);
 		if (c == code)  {
-			pfm_ita2_get_event_umask(inp->pfp_events[i].event, &umask);
+			if (pfm_ita2_get_event_umask(inp->pfp_events[i].event, &umask) != PFMLIB_SUCCESS)
+				continue;
 			switch(umask) {
 				case 0: mask |= 1;
 					break;
--- lib/pfmlib_os_linux.c
+++ lib/pfmlib_os_linux.c
@@ -390,16 +390,18 @@ static int
 pfm_init_syscalls_sysfs(void)
 {
 	FILE *fp;
+	int ret = 0;
 
 	fp = fopen("/sys/kernel/perfmon/syscall", "r");
 	if (!fp)
 		return -1;
 
-	fscanf(fp, "%d", &sys_base);
+	if (fscanf(fp, "%d", &sys_base) != 1)
+		ret = -1;
 
 	fclose(fp);
 
-	return 0;
+	return ret;
 }
 
 void