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Annotation of embedaddon/libiconv/srcm4/progtest.m4, revision 1.1

1.1     ! misho       1: # progtest.m4 serial 6 (gettext-0.18)
        !             2: dnl Copyright (C) 1996-2003, 2005, 2008, 2009 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: ])