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      1 # progtest.m4 serial 3 (gettext-0.12)
      2 dnl Copyright (C) 1996-2003 Free Software Foundation, Inc.
      3 dnl This file is free software, distributed under the terms of the GNU
      4 dnl General Public License.  As a special exception to the GNU General
      5 dnl Public License, this file may be distributed as part of a program
      6 dnl that contains a configuration script generated by Autoconf, under
      7 dnl the same distribution terms as the rest of that program.
      8 dnl
      9 dnl This file can can be used in projects which are not available under
     10 dnl the GNU General Public License or the GNU Library General Public
     11 dnl License but which still want to provide support for the GNU gettext
     12 dnl functionality.
     13 dnl Please note that the actual code of the GNU gettext library is covered
     14 dnl by the GNU Library General Public License, and the rest of the GNU
     15 dnl gettext package package is covered by the GNU General Public License.
     16 dnl They are *not* in the public domain.
     17 
     18 dnl Authors:
     19 dnl   Ulrich Drepper <drepper (a] cygnus.com>, 1996.
     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           if [$3]; then
     71             ac_cv_path_$1="$ac_dir/$ac_word$ac_exec_ext"
     72             break 2
     73           fi
     74         fi
     75       done
     76     done
     77     IFS="$ac_save_IFS"
     78 dnl If no 4th arg is given, leave the cache variable unset,
     79 dnl so AC_PATH_PROGS will keep looking.
     80 ifelse([$4], , , [  test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
     81 ])dnl
     82     ;;
     83 esac])dnl
     84 $1="$ac_cv_path_$1"
     85 if test ifelse([$4], , [-n "[$]$1"], ["[$]$1" != "$4"]); then
     86   AC_MSG_RESULT([$]$1)
     87 else
     88   AC_MSG_RESULT(no)
     89 fi
     90 AC_SUBST($1)dnl
     91 ])
     92