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-rw-r--r--m4/jm-macros.m41
1 files changed, 1 insertions, 0 deletions
diff --git a/m4/jm-macros.m4 b/m4/jm-macros.m4
index 833940469..f42f67c21 100644
--- a/m4/jm-macros.m4
+++ b/m4/jm-macros.m4
@@ -94,6 +94,7 @@ AC_DEFUN([coreutils_MACROS],
# for dd.c and shred.c
coreutils_saved_libs=$LIBS
+ LIB_FDATASYNC=
AC_SEARCH_LIBS([fdatasync], [rt posix4],
[test "$ac_cv_search_fdatasync" = "none required" ||
LIB_FDATASYNC=$ac_cv_search_fdatasync])