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-rw-r--r--m4/fsync.m417
1 files changed, 17 insertions, 0 deletions
diff --git a/m4/fsync.m4 b/m4/fsync.m4
new file mode 100644
index 0000000..857e495
--- /dev/null
+++ b/m4/fsync.m4
@@ -0,0 +1,17 @@
+# fsync.m4 serial 2
+dnl Copyright (C) 2008-2023 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_FSYNC],
+[
+ AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+ AC_CHECK_FUNCS_ONCE([fsync])
+ if test $ac_cv_func_fsync = no; then
+ HAVE_FSYNC=0
+ fi
+])
+
+# Prerequisites of lib/fsync.c.
+AC_DEFUN([gl_PREREQ_FSYNC], [:])