config/progtest.m4

   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@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 ])