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Annotation of embedaddon/libiconv/srcm4/progtest.m4, revision 1.1.1.2

1.1.1.2 ! misho       1: # progtest.m4 serial 7 (gettext-0.18.2)
        !             2: dnl Copyright (C) 1996-2003, 2005, 2008-2011 Free Software Foundation, Inc.
1.1       misho       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 "${PATH_SEPARATOR+set}" != set; then
1.1.1.2 ! misho      30:   # Determine PATH_SEPARATOR by trying to find /bin/sh in a PATH which
        !            31:   # contains only /bin. Note that ksh looks also at the FPATH variable,
        !            32:   # so we have to set that as well for the test.
        !            33:   PATH_SEPARATOR=:
        !            34:   (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
        !            35:     && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
        !            36:            || PATH_SEPARATOR=';'
        !            37:        }
1.1       misho      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: ])