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Annotation of embedaddon/confuse/m4/progtest.m4, revision 1.1.1.1

1.1       misho       1: # progtest.m4 serial 4 (gettext-0.14.2)
                      2: dnl Copyright (C) 1996-2003, 2005 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: ])