fchownat: fix missing HAVE_FCHOWNAT

* m4/fchownat.m4 (gl_FUNC_FCHOWNAT): Use AC_CHECK_FUNCS instead of
AC_CHECK_FUNC, so that we define HAVE_FCHOWNAT if fchownat
exists. lib/fchownat.c uses HAVE_FCHOWNAT in some cases.

diff --git a/ChangeLog b/ChangeLog
index 47c4601d86ca35034b9f8dbe663b6518cdf6d5d5..d76f5f90381fc12b7146739d8df4f913e621309f 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2025-09-20  Paul Eggert  <eggert@cs.ucla.edu>
 
+       fchownat: fix missing HAVE_FCHOWNAT
+       * m4/fchownat.m4 (gl_FUNC_FCHOWNAT): Use AC_CHECK_FUNCS instead of
+       AC_CHECK_FUNC, so that we define HAVE_FCHOWNAT if fchownat
+       exists. lib/fchownat.c uses HAVE_FCHOWNAT in some cases.
+
        fchownat: depend on fstatat
        * modules/fchownat (Depends-on): Add fstatat.
        This fixes a dependency bug I introduced on 2022-03-09

diff --git a/m4/fchownat.m4 b/m4/fchownat.m4
index 0b12b134f98a37cc9f3295df52e04a45ecb228f5..300a254225d0eec29a723c39f26a13536f228ea0 100644 (file)
--- a/m4/fchownat.m4
+++ b/m4/fchownat.m4
@@ -1,5 +1,5 @@
 # fchownat.m4
-# serial 7
+# serial 8
 dnl Copyright (C) 2004-2025 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -19,7 +19,7 @@ AC_DEFUN([gl_FUNC_FCHOWNAT],
   AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
   AC_REQUIRE([gl_FUNC_CHOWN])
-  AC_CHECK_FUNC([fchownat],
+  AC_CHECK_FUNCS([fchownat],
     [gl_FUNC_FCHOWNAT_DEREF_BUG(
        [REPLACE_FCHOWNAT=1
         AC_DEFINE([FCHOWNAT_NOFOLLOW_BUG], [1],