1 # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
3 # Copyright (C) 1997-2024 Free Software Foundation, Inc.
5 # This file is free software; the Free Software Foundation
6 # gives unlimited permission to copy and/or distribute it,
7 # with or without modifications, as long as this notice is preserved.
9 # AM_MISSING_PROG(NAME, PROGRAM)
10 # ------------------------------
11 AC_DEFUN([AM_MISSING_PROG],
12 [AC_REQUIRE([AM_MISSING_HAS_RUN])
13 $1=${$1-"${am_missing_run}$2"}
18 # Define MISSING if not defined so far and test if it is modern enough.
19 # If it is, set am_missing_run to use it, otherwise, to nothing.
20 AC_DEFUN([AM_MISSING_HAS_RUN],
21 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
22 AC_REQUIRE_AUX_FILE([missing])dnl
23 if test x"${MISSING+set}" != xset; then
24 MISSING="\${SHELL} '$am_aux_dir/missing'"
26 # Use eval to expand $SHELL
27 if eval "$MISSING --is-lightweight"; then
28 am_missing_run="$MISSING "
31 AC_MSG_WARN(['missing' script is too old or missing])