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      1 # progtest.m4 serial 7 (gettext-0.18.2)
      2 dnl Copyright (C) 1996-2003, 2005, 2008-2012 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 (a] 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 "${PATH_SEPARATOR+set}" != set; then
     30   # Determine PATH_SEPARATOR by trying to find /bin/sh in a PATH which
     31   # contains only /bin. Note that ksh looks also at the FPATH variable,
     32   # so we have to set that as well for the test.
     33   PATH_SEPARATOR=:
     34   (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
     35     && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
     36            || PATH_SEPARATOR=';'
     37        }
     38 fi
     39 
     40 # Find out how to test for executable files. Don't use a zero-byte file,
     41 # as systems may use methods other than mode bits to determine executability.
     42 cat >conf$$.file <<_ASEOF
     43 #! /bin/sh
     44 exit 0
     45 _ASEOF
     46 chmod +x conf$$.file
     47 if test -x conf$$.file >/dev/null 2>&1; then
     48   ac_executable_p="test -x"
     49 else
     50   ac_executable_p="test -f"
     51 fi
     52 rm -f conf$$.file
     53 
     54 # Extract the first word of "$2", so it can be a program name with args.
     55 set dummy $2; ac_word=[$]2
     56 AC_MSG_CHECKING([for $ac_word])
     57 AC_CACHE_VAL([ac_cv_path_$1],
     58 [case "[$]$1" in
     59   [[\\/]]* | ?:[[\\/]]*)
     60     ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
     61     ;;
     62   *)
     63     ac_save_IFS="$IFS"; IFS=$PATH_SEPARATOR
     64     for ac_dir in ifelse([$5], , $PATH, [$5]); do
     65       IFS="$ac_save_IFS"
     66       test -z "$ac_dir" && ac_dir=.
     67       for ac_exec_ext in '' $ac_executable_extensions; do
     68         if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then
     69           echo "$as_me: trying $ac_dir/$ac_word..." >&AS_MESSAGE_LOG_FD
     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