diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c
index 11d4c51c7d21..6068f5bde8fd 100644
--- a/tools/testing/selftests/bpf/test_progs.c
+++ b/tools/testing/selftests/bpf/test_progs.c
@@ -16,11 +16,13 @@
 #include <sys/socket.h>
 #include <sys/un.h>
 
+/* backtrace() and backtrace_symbols_fd() are glibc specific,
+ * use header file when glibc is available and provide stub
+ * implementations when another libc implementation is used.
+ */
 #ifdef __GLIBC__
 #include <execinfo.h> /* backtrace */
-#endif
-
-/* Default backtrace funcs if missing at link */
+#else
 __weak int backtrace(void **buffer, int size)
 {
 	return 0;
@@ -30,6 +32,7 @@ __weak void backtrace_symbols_fd(void *const *buffer, int size, int fd)
 {
 	dprintf(fd, "<backtrace not supported>\n");
 }
+#endif /*__GLIBC__ */
 
 static bool verbose(void)
 {