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    1: # progtest.m4 serial 6 (gettext-0.18)
    2: dnl Copyright (C) 1996-2003, 2005, 2008, 2009 Free Software Foundation, Inc.
    3: dnl This file is free software; the Free Software Foundation
    4: dnl gives unlimited permission to copy and/or distribute it,
    5: dnl with or without modifications, as long as this notice is preserved.
    6: dnl
    7: dnl This file can can be used in projects which are not available under
    8: dnl the GNU General Public License or the GNU Library General Public
    9: dnl License but which still want to provide support for the GNU gettext
   10: dnl functionality.
   11: dnl Please note that the actual code of the GNU gettext library is covered
   12: dnl by the GNU Library General Public License, and the rest of the GNU
   13: dnl gettext package package is covered by the GNU General Public License.
   14: dnl They are *not* in the public domain.
   15: 
   16: dnl Authors:
   17: dnl   Ulrich Drepper <drepper@cygnus.com>, 1996.
   18: 
   19: AC_PREREQ([2.50])
   20: 
   21: # Search path for a program which passes the given test.
   22: 
   23: dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
   24: dnl   TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]])
   25: AC_DEFUN([AM_PATH_PROG_WITH_TEST],
   26: [
   27: # Prepare PATH_SEPARATOR.
   28: # The user is always right.
   29: if test "${PATH_SEPARATOR+set}" != set; then
   30:   echo "#! /bin/sh" >conf$$.sh
   31:   echo  "exit 0"   >>conf$$.sh
   32:   chmod +x conf$$.sh
   33:   if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
   34:     PATH_SEPARATOR=';'
   35:   else
   36:     PATH_SEPARATOR=:
   37:   fi
   38:   rm -f conf$$.sh
   39: fi
   40: 
   41: # Find out how to test for executable files. Don't use a zero-byte file,
   42: # as systems may use methods other than mode bits to determine executability.
   43: cat >conf$$.file <<_ASEOF
   44: #! /bin/sh
   45: exit 0
   46: _ASEOF
   47: chmod +x conf$$.file
   48: if test -x conf$$.file >/dev/null 2>&1; then
   49:   ac_executable_p="test -x"
   50: else
   51:   ac_executable_p="test -f"
   52: fi
   53: rm -f conf$$.file
   54: 
   55: # Extract the first word of "$2", so it can be a program name with args.
   56: set dummy $2; ac_word=[$]2
   57: AC_MSG_CHECKING([for $ac_word])
   58: AC_CACHE_VAL([ac_cv_path_$1],
   59: [case "[$]$1" in
   60:   [[\\/]]* | ?:[[\\/]]*)
   61:     ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
   62:     ;;
   63:   *)
   64:     ac_save_IFS="$IFS"; IFS=$PATH_SEPARATOR
   65:     for ac_dir in ifelse([$5], , $PATH, [$5]); do
   66:       IFS="$ac_save_IFS"
   67:       test -z "$ac_dir" && ac_dir=.
   68:       for ac_exec_ext in '' $ac_executable_extensions; do
   69:         if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then
   70:           echo "$as_me: trying $ac_dir/$ac_word..." >&AS_MESSAGE_LOG_FD
   71:           if [$3]; then
   72:             ac_cv_path_$1="$ac_dir/$ac_word$ac_exec_ext"
   73:             break 2
   74:           fi
   75:         fi
   76:       done
   77:     done
   78:     IFS="$ac_save_IFS"
   79: dnl If no 4th arg is given, leave the cache variable unset,
   80: dnl so AC_PATH_PROGS will keep looking.
   81: ifelse([$4], , , [  test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
   82: ])dnl
   83:     ;;
   84: esac])dnl
   85: $1="$ac_cv_path_$1"
   86: if test ifelse([$4], , [-n "[$]$1"], ["[$]$1" != "$4"]); then
   87:   AC_MSG_RESULT([$][$1])
   88: else
   89:   AC_MSG_RESULT([no])
   90: fi
   91: AC_SUBST([$1])dnl
   92: ])