1*3d8817e4Smiod# progtest.m4 serial 3 (gettext-0.12)
2*3d8817e4Smioddnl Copyright (C) 1996-2003 Free Software Foundation, Inc.
3*3d8817e4Smioddnl This file is free software, distributed under the terms of the GNU
4*3d8817e4Smioddnl General Public License.  As a special exception to the GNU General
5*3d8817e4Smioddnl Public License, this file may be distributed as part of a program
6*3d8817e4Smioddnl that contains a configuration script generated by Autoconf, under
7*3d8817e4Smioddnl the same distribution terms as the rest of that program.
8*3d8817e4Smioddnl
9*3d8817e4Smioddnl This file can can be used in projects which are not available under
10*3d8817e4Smioddnl the GNU General Public License or the GNU Library General Public
11*3d8817e4Smioddnl License but which still want to provide support for the GNU gettext
12*3d8817e4Smioddnl functionality.
13*3d8817e4Smioddnl Please note that the actual code of the GNU gettext library is covered
14*3d8817e4Smioddnl by the GNU Library General Public License, and the rest of the GNU
15*3d8817e4Smioddnl gettext package package is covered by the GNU General Public License.
16*3d8817e4Smioddnl They are *not* in the public domain.
17*3d8817e4Smiod
18*3d8817e4Smioddnl Authors:
19*3d8817e4Smioddnl   Ulrich Drepper <drepper@cygnus.com>, 1996.
20*3d8817e4Smiod
21*3d8817e4Smiod# Search path for a program which passes the given test.
22*3d8817e4Smiod
23*3d8817e4Smioddnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
24*3d8817e4Smioddnl   TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]])
25*3d8817e4SmiodAC_DEFUN([AM_PATH_PROG_WITH_TEST],
26*3d8817e4Smiod[
27*3d8817e4Smiod# Prepare PATH_SEPARATOR.
28*3d8817e4Smiod# The user is always right.
29*3d8817e4Smiodif test "${PATH_SEPARATOR+set}" != set; then
30*3d8817e4Smiod  echo "#! /bin/sh" >conf$$.sh
31*3d8817e4Smiod  echo  "exit 0"   >>conf$$.sh
32*3d8817e4Smiod  chmod +x conf$$.sh
33*3d8817e4Smiod  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
34*3d8817e4Smiod    PATH_SEPARATOR=';'
35*3d8817e4Smiod  else
36*3d8817e4Smiod    PATH_SEPARATOR=:
37*3d8817e4Smiod  fi
38*3d8817e4Smiod  rm -f conf$$.sh
39*3d8817e4Smiodfi
40*3d8817e4Smiod
41*3d8817e4Smiod# Find out how to test for executable files. Don't use a zero-byte file,
42*3d8817e4Smiod# as systems may use methods other than mode bits to determine executability.
43*3d8817e4Smiodcat >conf$$.file <<_ASEOF
44*3d8817e4Smiod#! /bin/sh
45*3d8817e4Smiodexit 0
46*3d8817e4Smiod_ASEOF
47*3d8817e4Smiodchmod +x conf$$.file
48*3d8817e4Smiodif test -x conf$$.file >/dev/null 2>&1; then
49*3d8817e4Smiod  ac_executable_p="test -x"
50*3d8817e4Smiodelse
51*3d8817e4Smiod  ac_executable_p="test -f"
52*3d8817e4Smiodfi
53*3d8817e4Smiodrm -f conf$$.file
54*3d8817e4Smiod
55*3d8817e4Smiod# Extract the first word of "$2", so it can be a program name with args.
56*3d8817e4Smiodset dummy $2; ac_word=[$]2
57*3d8817e4SmiodAC_MSG_CHECKING([for $ac_word])
58*3d8817e4SmiodAC_CACHE_VAL(ac_cv_path_$1,
59*3d8817e4Smiod[case "[$]$1" in
60*3d8817e4Smiod  [[\\/]]* | ?:[[\\/]]*)
61*3d8817e4Smiod    ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
62*3d8817e4Smiod    ;;
63*3d8817e4Smiod  *)
64*3d8817e4Smiod    ac_save_IFS="$IFS"; IFS=$PATH_SEPARATOR
65*3d8817e4Smiod    for ac_dir in ifelse([$5], , $PATH, [$5]); do
66*3d8817e4Smiod      IFS="$ac_save_IFS"
67*3d8817e4Smiod      test -z "$ac_dir" && ac_dir=.
68*3d8817e4Smiod      for ac_exec_ext in '' $ac_executable_extensions; do
69*3d8817e4Smiod        if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then
70*3d8817e4Smiod          if [$3]; then
71*3d8817e4Smiod            ac_cv_path_$1="$ac_dir/$ac_word$ac_exec_ext"
72*3d8817e4Smiod            break 2
73*3d8817e4Smiod          fi
74*3d8817e4Smiod        fi
75*3d8817e4Smiod      done
76*3d8817e4Smiod    done
77*3d8817e4Smiod    IFS="$ac_save_IFS"
78*3d8817e4Smioddnl If no 4th arg is given, leave the cache variable unset,
79*3d8817e4Smioddnl so AC_PATH_PROGS will keep looking.
80*3d8817e4Smiodifelse([$4], , , [  test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
81*3d8817e4Smiod])dnl
82*3d8817e4Smiod    ;;
83*3d8817e4Smiodesac])dnl
84*3d8817e4Smiod$1="$ac_cv_path_$1"
85*3d8817e4Smiodif test ifelse([$4], , [-n "[$]$1"], ["[$]$1" != "$4"]); then
86*3d8817e4Smiod  AC_MSG_RESULT([$]$1)
87*3d8817e4Smiodelse
88*3d8817e4Smiod  AC_MSG_RESULT(no)
89*3d8817e4Smiodfi
90*3d8817e4SmiodAC_SUBST($1)dnl
91*3d8817e4Smiod])
92