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progtest.m4 (2939B)


      1 # progtest.m4 serial 6 (gettext-0.18)
      2 dnl Copyright (C) 1996-2003, 2005, 2008-2010 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 ])