--- a/src/posixWalker.cpp	2022-05-09 04:52:35.000000000 +0200
+++ -	2022-05-15 17:20:54.296063960 +0200
@@ -3,6 +3,10 @@
 
 #include "posixWalker.h"
 
+#ifndef S_BLKSIZE
+#define S_BLKSIZE 512
+#endif
+
 static void outputError(const QByteArray &path)
 {
     /// show error message that stat or opendir may give
--- a/autotests/directoryIteratorTest.cpp	2022-05-09 04:52:35.000000000 +0200
+++ -	2022-05-15 17:21:05.992082135 +0200
@@ -8,6 +8,10 @@
 #include "directoryIterator.h"
 #include "test-config.h"
 
+#ifndef S_BLKSIZE
+#define S_BLKSIZE 512
+#endif
+
 class DirectoryIteratorTest : public QObject
 {
     Q_OBJECT