X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=m4%2Fopendir.m4;fp=m4%2Fopendir.m4;h=d411680561faf02bfb5ca9066f8204027806efbd;hb=daa269958ad8d50ef8154ccb65e58acaf7a6dd99;hp=0000000000000000000000000000000000000000;hpb=1a44d77d50f4fb37c0410eed04b82303624ea2ec;p=debian%2Ftar

diff --git a/m4/opendir.m4 b/m4/opendir.m4
new file mode 100644
index 00000000..d4116805
--- /dev/null
+++ b/m4/opendir.m4
@@ -0,0 +1,25 @@
+# opendir.m4 serial 2
+dnl Copyright (C) 2011-2013 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_OPENDIR],
+[
+  AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
+
+  AC_CHECK_FUNCS([opendir])
+  if test $ac_cv_func_opendir = no; then
+    HAVE_OPENDIR=0
+  fi
+  dnl Replace opendir() for supporting the gnulib-defined fchdir() function,
+  dnl to keep fchdir's bookkeeping up-to-date.
+  m4_ifdef([gl_FUNC_FCHDIR], [
+    gl_TEST_FCHDIR
+    if test $HAVE_FCHDIR = 0; then
+      if test $HAVE_OPENDIR = 1; then
+        REPLACE_OPENDIR=1
+      fi
+    fi
+  ])
+])