Depends-on:
dirent
-errno
extensions
-fchdir
-openat-die
-save-cwd
+errno [test $HAVE_FDOPENDIR = 0 || test $REPLACE_FDOPENDIR = 1]
+fchdir [test $HAVE_FDOPENDIR = 0 || test $REPLACE_FDOPENDIR = 1]
+openat-die [test $HAVE_FDOPENDIR = 0 || test $REPLACE_FDOPENDIR = 1]
+save-cwd [test $HAVE_FDOPENDIR = 0 || test $REPLACE_FDOPENDIR = 1]
configure.ac:
gl_FUNC_FDOPENDIR