Issue #17603: Check for st_blocks field without requiring fileblocks.o
diff --git a/configure.ac b/configure.ac
index bacb7b0..282610a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3727,7 +3727,7 @@
 AC_CHECK_MEMBERS([struct stat.st_flags])
 AC_CHECK_MEMBERS([struct stat.st_gen])
 AC_CHECK_MEMBERS([struct stat.st_birthtime])
-AC_STRUCT_ST_BLOCKS
+AC_CHECK_MEMBERS([struct stat.st_blocks])
 
 AC_MSG_CHECKING(for time.h that defines altzone)
 AC_CACHE_VAL(ac_cv_header_time_altzone,[