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- # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
- # Copyright (C) 1997-2017 Free Software Foundation, Inc.
- #
- # This file is free software; the Free Software Foundation
- # gives unlimited permission to copy and/or distribute it,
- # with or without modifications, as long as this notice is preserved.
- # AM_MISSING_PROG(NAME, PROGRAM)
- # ------------------------------
- AC_DEFUN([AM_MISSING_PROG],
- [AC_REQUIRE([AM_MISSING_HAS_RUN])
- $1=${$1-"${am_missing_run}$2"}
- AC_SUBST($1)])
- # AM_MISSING_HAS_RUN
- # ------------------
- # Define MISSING if not defined so far and test if it is modern enough.
- # If it is, set am_missing_run to use it, otherwise, to nothing.
- AC_DEFUN([AM_MISSING_HAS_RUN],
- [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
- AC_REQUIRE_AUX_FILE([missing])dnl
- if test x"${MISSING+set}" != xset; then
- case $am_aux_dir in
- *\ * | *\ *)
- MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
- *)
- MISSING="\${SHELL} $am_aux_dir/missing" ;;
- esac
- fi
- # Use eval to expand $SHELL
- if eval "$MISSING --is-lightweight"; then
- am_missing_run="$MISSING "
- else
- am_missing_run=
- AC_MSG_WARN(['missing' script is too old or missing])
- fi
- ])
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