1 files changed, 28 insertions, 0 deletions
diff --git a/m4/lchmod.m4 b/m4/lchmod.m4
new file mode 100644
index 0000000..a1370e1
--- /dev/null
+++ b/m4/lchmod.m4
@@ -0,0 +1,28 @@
+#serial 10
+
+dnl Copyright (C) 2005-2006, 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.
+
+dnl From Paul Eggert.
+dnl Provide a replacement for lchmod on hosts that lack a working version.
+
+AC_DEFUN([gl_FUNC_LCHMOD],
+[
+  AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
+
+  dnl Persuade glibc <sys/stat.h> to declare lchmod().
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
+
+  AC_CHECK_FUNCS_ONCE([lchmod])
+  if test "$ac_cv_func_lchmod" = no; then
+    HAVE_LCHMOD=0
+  fi
+])
+
+# Prerequisites of lib/lchmod.c.
+AC_DEFUN([gl_PREREQ_LCHMOD],
+[
+  :
+])