| 1 | # This file is part of Autoconf. -*- Autoconf -*-
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| 2 | # Checking for programs.
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| 3 |
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| 4 | # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
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| 5 | # 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
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| 6 |
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| 7 | # This program is free software; you can redistribute it and/or modify
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| 8 | # it under the terms of the GNU General Public License as published by
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| 9 | # the Free Software Foundation; either version 2, or (at your option)
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| 10 | # any later version.
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| 11 | #
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| 12 | # This program is distributed in the hope that it will be useful,
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| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | # GNU General Public License for more details.
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| 16 | #
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| 17 | # You should have received a copy of the GNU General Public License
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| 18 | # along with this program; if not, write to the Free Software
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| 19 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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| 20 | # 02110-1301, USA.
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| 21 |
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| 22 | # As a special exception, the Free Software Foundation gives unlimited
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| 23 | # permission to copy, distribute and modify the configure scripts that
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| 24 | # are the output of Autoconf. You need not follow the terms of the GNU
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| 25 | # General Public License when using or distributing such scripts, even
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| 26 | # though portions of the text of Autoconf appear in them. The GNU
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| 27 | # General Public License (GPL) does govern all other use of the material
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| 28 | # that constitutes the Autoconf program.
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| 29 | #
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| 30 | # Certain portions of the Autoconf source text are designed to be copied
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| 31 | # (in certain cases, depending on the input) into the output of
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| 32 | # Autoconf. We call these the "data" portions. The rest of the Autoconf
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| 33 | # source text consists of comments plus executable code that decides which
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| 34 | # of the data portions to output in any given case. We call these
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| 35 | # comments and executable code the "non-data" portions. Autoconf never
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| 36 | # copies any of the non-data portions into its output.
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| 37 | #
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| 38 | # This special exception to the GPL applies to versions of Autoconf
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| 39 | # released by the Free Software Foundation. When you make and
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| 40 | # distribute a modified version of Autoconf, you may extend this special
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| 41 | # exception to the GPL to apply to your modified version as well, *unless*
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| 42 | # your modified version has the potential to copy into its output some
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| 43 | # of the text that was the non-data portion of the version that you started
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| 44 | # with. (In other words, unless your change moves or copies text from
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| 45 | # the non-data portions to the data portions.) If your modification has
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| 46 | # such potential, you must delete any notice of this special exception
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| 47 | # to the GPL from your modified version.
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| 48 | #
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| 49 | # Written by David MacKenzie, with help from
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| 50 | # Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor,
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| 51 | # Roland McGrath, Noah Friedman, david d zuhn, and many others.
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| 52 |
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| 53 |
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| 54 | ## ----------------------------- ##
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| 55 | ## Generic checks for programs. ##
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| 56 | ## ----------------------------- ##
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| 57 |
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| 58 |
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| 59 | # _AC_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
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| 60 | # [VALUE-IF-FOUND], [VALUE-IF-NOT-FOUND],
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| 61 | # [PATH], [REJECT])
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| 62 | # -----------------------------------------------------
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| 63 | AC_DEFUN([_AC_CHECK_PROG],
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| 64 | [# Extract the first word of "$2", so it can be a program name with args.
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| 65 | set dummy $2; ac_word=$[2]
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| 66 | AC_MSG_CHECKING([for $ac_word])
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| 67 | AC_CACHE_VAL(ac_cv_prog_$1,
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| 68 | [if test -n "$$1"; then
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| 69 | ac_cv_prog_$1="$$1" # Let the user override the test.
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| 70 | else
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| 71 | m4_ifvaln([$6],
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| 72 | [ ac_prog_rejected=no])dnl
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| 73 | _AS_PATH_WALK([$5],
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| 74 | [for ac_exec_ext in '' $ac_executable_extensions; do
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| 75 | if AS_EXECUTABLE_P(["$as_dir/$ac_word$ac_exec_ext"]); then
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| 76 | m4_ifvaln([$6],
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| 77 | [ if test "$as_dir/$ac_word$ac_exec_ext" = "$6"; then
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| 78 | ac_prog_rejected=yes
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| 79 | continue
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| 80 | fi])dnl
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| 81 | ac_cv_prog_$1="$3"
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| 82 | _AS_ECHO_LOG([found $as_dir/$ac_word$ac_exec_ext])
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| 83 | break 2
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| 84 | fi
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| 85 | done])
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| 86 | m4_ifvaln([$6],
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| 87 | [if test $ac_prog_rejected = yes; then
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| 88 | # We found a bogon in the path, so make sure we never use it.
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| 89 | set dummy $ac_cv_prog_$1
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| 90 | shift
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| 91 | if test $[@%:@] != 0; then
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| 92 | # We chose a different compiler from the bogus one.
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| 93 | # However, it has the same basename, so the bogon will be chosen
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| 94 | # first if we set $1 to just the basename; use the full file name.
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| 95 | shift
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| 96 | ac_cv_prog_$1="$as_dir/$ac_word${1+' '}$[@]"
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| 97 | m4_if([$2], [$4],
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| 98 | [ else
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| 99 | # Default is a loser.
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| 100 | AC_MSG_ERROR([$1=$6 unacceptable, but no other $4 found in dnl
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| 101 | m4_default([$5], [\$PATH])])
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| 102 | ])dnl
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| 103 | fi
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| 104 | fi])dnl
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| 105 | dnl If no 4th arg is given, leave the cache variable unset,
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| 106 | dnl so AC_CHECK_PROGS will keep looking.
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| 107 | m4_ifvaln([$4],
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| 108 | [ test -z "$ac_cv_prog_$1" && ac_cv_prog_$1="$4"])dnl
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| 109 | fi])dnl
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| 110 | $1=$ac_cv_prog_$1
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| 111 | if test -n "$$1"; then
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| 112 | AC_MSG_RESULT([$$1])
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| 113 | else
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| 114 | AC_MSG_RESULT([no])
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| 115 | fi
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| 116 | ])# _AC_CHECK_PROG
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| 117 |
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| 118 |
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| 119 | # AC_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
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| 120 | # [VALUE-IF-FOUND], [VALUE-IF-NOT-FOUND],
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| 121 | # [PATH], [REJECT])
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| 122 | # -----------------------------------------------------
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| 123 | AC_DEFUN([AC_CHECK_PROG],
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| 124 | [_AC_CHECK_PROG($@)
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| 125 | AC_SUBST([$1])dnl
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| 126 | ])
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| 127 |
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| 128 |
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| 129 | # AC_CHECK_PROGS(VARIABLE, PROGS-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND],
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| 130 | # [PATH])
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| 131 | # ------------------------------------------------------------------
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| 132 | AC_DEFUN([AC_CHECK_PROGS],
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| 133 | [for ac_prog in $2
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| 134 | do
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| 135 | AC_CHECK_PROG([$1], [$ac_prog], [$ac_prog], , [$4])
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| 136 | test -n "$$1" && break
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| 137 | done
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| 138 | m4_ifvaln([$3], [test -n "$$1" || $1="$3"])])
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| 139 |
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| 140 |
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| 141 | # _AC_PATH_PROG(VARIABLE, PROG-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND], [PATH])
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| 142 | # ------------------------------------------------------------------------
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| 143 | AC_DEFUN([_AC_PATH_PROG],
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| 144 | [# Extract the first word of "$2", so it can be a program name with args.
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| 145 | set dummy $2; ac_word=$[2]
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| 146 | AC_MSG_CHECKING([for $ac_word])
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| 147 | AC_CACHE_VAL([ac_cv_path_$1],
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| 148 | [case $$1 in
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| 149 | [[\\/]]* | ?:[[\\/]]*)
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| 150 | ac_cv_path_$1="$$1" # Let the user override the test with a path.
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| 151 | ;;
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| 152 | *)
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| 153 | _AS_PATH_WALK([$4],
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| 154 | [for ac_exec_ext in '' $ac_executable_extensions; do
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| 155 | if AS_EXECUTABLE_P(["$as_dir/$ac_word$ac_exec_ext"]); then
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| 156 | ac_cv_path_$1="$as_dir/$ac_word$ac_exec_ext"
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| 157 | _AS_ECHO_LOG([found $as_dir/$ac_word$ac_exec_ext])
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| 158 | break 2
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| 159 | fi
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| 160 | done])
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| 161 | dnl If no 3rd arg is given, leave the cache variable unset,
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| 162 | dnl so AC_PATH_PROGS will keep looking.
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| 163 | m4_ifvaln([$3],
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| 164 | [ test -z "$ac_cv_path_$1" && ac_cv_path_$1="$3"])dnl
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| 165 | ;;
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| 166 | esac])dnl
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| 167 | $1=$ac_cv_path_$1
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| 168 | if test -n "$$1"; then
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| 169 | AC_MSG_RESULT([$$1])
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| 170 | else
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| 171 | AC_MSG_RESULT([no])
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| 172 | fi
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| 173 | ])# _AC_PATH_PROG
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| 174 |
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| 175 |
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| 176 | # AC_PATH_PROG(VARIABLE, PROG-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND], [PATH])
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| 177 | # -----------------------------------------------------------------------
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| 178 | AC_DEFUN([AC_PATH_PROG],
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| 179 | [_AC_PATH_PROG($@)
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| 180 | AC_SUBST([$1])dnl
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| 181 | ])
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| 182 |
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| 183 |
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| 184 | # AC_PATH_PROGS(VARIABLE, PROGS-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND],
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| 185 | # [PATH])
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| 186 | # -----------------------------------------------------------------
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| 187 | AC_DEFUN([AC_PATH_PROGS],
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| 188 | [for ac_prog in $2
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| 189 | do
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| 190 | AC_PATH_PROG([$1], [$ac_prog], , [$4])
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| 191 | test -n "$$1" && break
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| 192 | done
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| 193 | m4_ifvaln([$3], [test -n "$$1" || $1="$3"])dnl
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| 194 | ])
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| 195 |
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| 196 |
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| 197 |
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| 198 |
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| 199 | ## -------------------------- ##
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| 200 | ## Generic checks for tools. ##
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| 201 | ## -------------------------- ##
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| 202 |
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| 203 |
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| 204 | # AC_CHECK_TOOL_PREFIX
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| 205 | # --------------------
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| 206 | AU_DEFUN([AC_CHECK_TOOL_PREFIX])
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| 207 |
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| 208 |
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| 209 | # _AC_TOOL_WARN
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| 210 | # -------------
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| 211 | AC_DEFUN([_AC_TOOL_WARN],
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| 212 | [case $cross_compiling:$ac_tool_warned in
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| 213 | yes:)
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| 214 | AC_MSG_WARN([In the future, Autoconf will not detect cross-tools
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| 215 | whose name does not start with the host triplet. If you think this
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| 216 | configuration is useful to you, please write to autoconf@gnu.org.])
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| 217 | ac_tool_warned=yes ;;
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| 218 | esac])
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| 219 |
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| 220 | # AC_PATH_TOOL(VARIABLE, PROG-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND], [PATH])
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| 221 | # -----------------------------------------------------------------------
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| 222 | # (Use different variables $1 and ac_pt_$1 so that cache vars don't conflict.)
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| 223 | AC_DEFUN([AC_PATH_TOOL],
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| 224 | [if test -n "$ac_tool_prefix"; then
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| 225 | AC_PATH_PROG([$1], [${ac_tool_prefix}$2], , [$4])
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| 226 | fi
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| 227 | if test -z "$ac_cv_path_$1"; then
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| 228 | ac_pt_$1=$$1
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| 229 | _AC_PATH_PROG([ac_pt_$1], [$2], [], [$4])
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| 230 | if test "x$ac_pt_$1" = x; then
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| 231 | $1="$3"
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| 232 | else
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| 233 | _AC_TOOL_WARN
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| 234 | $1=$ac_pt_$1
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| 235 | fi
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| 236 | else
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| 237 | $1="$ac_cv_path_$1"
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| 238 | fi
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| 239 | ])# AC_PATH_TOOL
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| 240 |
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| 241 |
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| 242 | # AC_CHECK_TOOL(VARIABLE, PROG-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND], [PATH])
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| 243 | # ------------------------------------------------------------------------
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| 244 | # (Use different variables $1 and ac_ct_$1 so that cache vars don't conflict.)
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| 245 | AC_DEFUN([AC_CHECK_TOOL],
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| 246 | [if test -n "$ac_tool_prefix"; then
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| 247 | AC_CHECK_PROG([$1], [${ac_tool_prefix}$2], [${ac_tool_prefix}$2], , [$4])
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| 248 | fi
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| 249 | if test -z "$ac_cv_prog_$1"; then
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| 250 | ac_ct_$1=$$1
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| 251 | _AC_CHECK_PROG([ac_ct_$1], [$2], [$2], [], [$4])
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| 252 | if test "x$ac_ct_$1" = x; then
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| 253 | $1="$3"
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| 254 | else
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| 255 | _AC_TOOL_WARN
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| 256 | $1=$ac_ct_$1
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| 257 | fi
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| 258 | else
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| 259 | $1="$ac_cv_prog_$1"
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| 260 | fi
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| 261 | ])# AC_CHECK_TOOL
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| 262 |
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| 263 |
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| 264 | # AC_CHECK_TOOLS(VARIABLE, PROGS-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND],
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| 265 | # [PATH])
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| 266 | # ------------------------------------------------------------------
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| 267 | # Check for each tool in PROGS-TO-CHECK-FOR with the cross prefix. If
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| 268 | # none can be found with a cross prefix, then use the first one that
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| 269 | # was found without the cross prefix.
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| 270 | AC_DEFUN([AC_CHECK_TOOLS],
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| 271 | [if test -n "$ac_tool_prefix"; then
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| 272 | for ac_prog in $2
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| 273 | do
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| 274 | AC_CHECK_PROG([$1],
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| 275 | [$ac_tool_prefix$ac_prog], [$ac_tool_prefix$ac_prog],,
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| 276 | [$4])
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| 277 | test -n "$$1" && break
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| 278 | done
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| 279 | fi
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| 280 | if test -z "$$1"; then
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| 281 | ac_ct_$1=$$1
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| 282 | AC_CHECK_PROGS([ac_ct_$1], [$2], [], [$4])
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| 283 | if test "x$ac_ct_$1" = x; then
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| 284 | $1="$3"
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| 285 | else
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| 286 | _AC_TOOL_WARN
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| 287 | $1=$ac_ct_$1
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| 288 | fi
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| 289 | fi
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| 290 | ])# AC_CHECK_TOOLS
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| 291 |
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| 292 |
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| 293 | # AC_PATH_TARGET_TOOL(VARIABLE, PROG-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND], [PATH])
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| 294 | # -----------------------------------------------------------------------
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| 295 | # (Use different variables $1 and ac_pt_$1 so that cache vars don't conflict.)
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| 296 | AC_DEFUN([AC_PATH_TARGET_TOOL],
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| 297 | [AC_BEFORE([$0], [AC_CANONICAL_TARGET])dnl
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| 298 | AC_PATH_PROG([$1], [$target_alias-$2], , [$4])
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| 299 | if test -z "$ac_cv_path_$1"; then
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| 300 | if test "$build" = "$target"; then
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| 301 | ac_pt_$1=$$1
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| 302 | _AC_PATH_PROG([ac_pt_$1], [$2], [$3], [$4])
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| 303 | $1=$ac_pt_$1
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| 304 | else
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| 305 | $1="$3"
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| 306 | fi
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| 307 | else
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| 308 | $1="$ac_cv_path_$1"
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| 309 | fi
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| 310 | ])# AC_PATH_TARGET_TOOL
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| 311 |
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| 312 |
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| 313 | # AC_CHECK_TARGET_TOOL(VARIABLE, PROG-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND], [PATH])
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| 314 | # ------------------------------------------------------------------------
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| 315 | # (Use different variables $1 and ac_ct_$1 so that cache vars don't conflict.)
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| 316 | AC_DEFUN([AC_CHECK_TARGET_TOOL],
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| 317 | [AC_BEFORE([$0], [AC_CANONICAL_TARGET])dnl
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| 318 | AC_CHECK_PROG([$1], [$target_alias-$2], [$target_alias-$2], , [$4])
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| 319 | if test -z "$ac_cv_prog_$1"; then
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| 320 | if test "$build" = "$target"; then
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| 321 | ac_ct_$1=$$1
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| 322 | _AC_CHECK_PROG([ac_ct_$1], [$2], [$2], [$3], [$4])
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| 323 | $1=ac_ct_$1
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| 324 | else
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| 325 | $1="$3"
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| 326 | fi
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| 327 | else
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| 328 | $1="$ac_cv_prog_$1"
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| 329 | fi
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| 330 | ])# AC_CHECK_TARGET_TOOL
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| 331 |
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| 332 |
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| 333 | # AC_CHECK_TARGET_TOOLS(VARIABLE, PROGS-TO-CHECK-FOR, [VALUE-IF-NOT-FOUND],
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| 334 | # [PATH])
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| 335 | # ------------------------------------------------------------------
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| 336 | # Check for each tool in PROGS-TO-CHECK-FOR with the cross prefix. If
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| 337 | # none can be found with a cross prefix, then use the first one that
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| 338 | # was found without the cross prefix.
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| 339 | AC_DEFUN([AC_CHECK_TARGET_TOOLS],
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| 340 | [AC_BEFORE([$0], [AC_CANONICAL_TARGET])dnl
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| 341 | for ac_prog in $2
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| 342 | do
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| 343 | AC_CHECK_PROG([$1],
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| 344 | [$target_alias-$ac_prog], [$target_alias-$ac_prog],,
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| 345 | [$4])
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| 346 | test -n "$$1" && break
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| 347 | done
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| 348 | if test -z "$$1"; then
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| 349 | if test "$build" = "$target"; then
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| 350 | ac_ct_$1=$$1
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| 351 | AC_CHECK_PROGS([ac_ct_$1], [$2], [$3], [$4])
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| 352 | $1=$ac_ct_$1
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| 353 | else
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| 354 | $1="$3"
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| 355 | fi
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| 356 | fi
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| 357 | ])# AC_CHECK_TARGET_TOOLS
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| 358 |
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| 359 |
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| 360 |
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| 361 | ## ---------------- ##
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| 362 | ## Specific tests. ##
|
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| 363 | ## ---------------- ##
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| 364 |
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| 365 | # Please, keep this section sorted.
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| 366 | # (But of course when keeping related things together).
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| 367 |
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| 368 | # Check for gawk first since it's generally better.
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| 369 | AN_MAKEVAR([AWK], [AC_PROG_AWK])
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| 370 | AN_PROGRAM([awk], [AC_PROG_AWK])
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| 371 | AN_PROGRAM([gawk], [AC_PROG_AWK])
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| 372 | AN_PROGRAM([mawk], [AC_PROG_AWK])
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| 373 | AN_PROGRAM([nawk], [AC_PROG_AWK])
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| 374 | AC_DEFUN([AC_PROG_AWK],
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|---|
| 375 | [AC_CHECK_PROGS(AWK, gawk mawk nawk awk, )])
|
|---|
| 376 |
|
|---|
| 377 |
|
|---|
| 378 | # AC_PROG_EGREP
|
|---|
| 379 | # -------------
|
|---|
| 380 | AC_DEFUN([AC_PROG_EGREP],
|
|---|
| 381 | [AC_REQUIRE([AC_PROG_GREP])dnl
|
|---|
| 382 | AC_CACHE_CHECK([for egrep], ac_cv_path_EGREP,
|
|---|
| 383 | [if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
|
|---|
| 384 | then ac_cv_path_EGREP="$GREP -E"
|
|---|
| 385 | else
|
|---|
| 386 | _AC_PROG_GREP(EGREP, egrep, ['EGREP$'])
|
|---|
| 387 | fi])
|
|---|
| 388 | EGREP="$ac_cv_path_EGREP"
|
|---|
| 389 | AC_SUBST([EGREP])
|
|---|
| 390 | ])# AC_PROG_EGREP
|
|---|
| 391 |
|
|---|
| 392 |
|
|---|
| 393 | # AC_PROG_FGREP
|
|---|
| 394 | # -------------
|
|---|
| 395 | AC_DEFUN([AC_PROG_FGREP],
|
|---|
| 396 | [AC_REQUIRE([AC_PROG_GREP])dnl
|
|---|
| 397 | AC_CACHE_CHECK([for fgrep], ac_cv_path_FGREP,
|
|---|
| 398 | [if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1
|
|---|
| 399 | then ac_cv_path_FGREP="$GREP -F"
|
|---|
| 400 | else
|
|---|
| 401 | _AC_PROG_GREP(FGREP, fgrep, [FGREP])
|
|---|
| 402 | fi])
|
|---|
| 403 | FGREP="$ac_cv_path_FGREP"
|
|---|
| 404 | AC_SUBST([FGREP])
|
|---|
| 405 | ])# AC_PROG_FGREP
|
|---|
| 406 |
|
|---|
| 407 |
|
|---|
| 408 | # AC_PROG_GREP
|
|---|
| 409 | # ------------
|
|---|
| 410 | # Check for a fully functional grep program that handles
|
|---|
| 411 | # the longest lines possible and which respects multiple -e options.
|
|---|
| 412 | # Prefer GNU grep if found.
|
|---|
| 413 | AC_DEFUN([AC_PROG_GREP],
|
|---|
| 414 | [AC_CACHE_CHECK([for grep that handles long lines and -e], ac_cv_path_GREP,
|
|---|
| 415 | [_$0(GREP, [grep ggrep], [-e 'GREP$' -e '-(cannot match)-'])])
|
|---|
| 416 | GREP="$ac_cv_path_GREP"
|
|---|
| 417 | AC_SUBST([GREP])
|
|---|
| 418 | ])
|
|---|
| 419 |
|
|---|
| 420 |
|
|---|
| 421 | # _AC_PROG_GREP(VARIABLE, PROGNAME-LIST, PROG-ARGUMENTS)
|
|---|
| 422 | # ------------------------------------------------------
|
|---|
| 423 | # Solaris 9 /usr/xpg4/bin/*grep is suitable, but /usr/bin/*grep lacks -e.
|
|---|
| 424 | # AIX silently truncates long lines before matching.
|
|---|
| 425 | # NeXT understands only one -e and truncates long lines.
|
|---|
| 426 | m4_define([_AC_PROG_GREP],
|
|---|
| 427 | [_AC_PATH_PROG_FEATURE_CHECK([$1], [$2],
|
|---|
| 428 | [_AC_FEATURE_CHECK_LENGTH([ac_path_$1], [ac_cv_path_$1],
|
|---|
| 429 | ["$ac_path_$1" $3], [$1])], [$PATH$PATH_SEPARATOR/usr/xpg4/bin])
|
|---|
| 430 | ])
|
|---|
| 431 |
|
|---|
| 432 |
|
|---|
| 433 | # _AC_PATH_PROG_FEATURE_CHECK(VARIABLE, PROGNAME-LIST, FEATURE-TEST, [PATH])
|
|---|
| 434 | # --------------------------------------------------------------------------
|
|---|
| 435 | # FEATURE-TEST is called repeatedly with $ac_path_VARIABLE set to the
|
|---|
| 436 | # name of a program in PROGNAME-LIST found in PATH. FEATURE-TEST must set
|
|---|
| 437 | # $ac_cv_path_VARIABLE to the path of an acceptable program, or else
|
|---|
| 438 | # _AC_PATH_PROG_FEATURE_CHECK will report that no acceptable program
|
|---|
| 439 | # was found, and abort. If a suitable $ac_path_VARIABLE is found in the
|
|---|
| 440 | # FEATURE-TEST macro, it can set $ac_path_VARIABLE_found=':' to accept
|
|---|
| 441 | # that value without any further checks.
|
|---|
| 442 | m4_define([_AC_PATH_PROG_FEATURE_CHECK],
|
|---|
| 443 | [# Extract the first word of "$2" to use in msg output
|
|---|
| 444 | if test -z "$$1"; then
|
|---|
| 445 | set dummy $2; ac_prog_name=$[2]
|
|---|
| 446 | AC_CACHE_VAL([ac_cv_path_$1],
|
|---|
| 447 | [ac_path_$1_found=false
|
|---|
| 448 | # Loop through the user's path and test for each of PROGNAME-LIST
|
|---|
| 449 | _AS_PATH_WALK([$4],
|
|---|
| 450 | [for ac_prog in $2; do
|
|---|
| 451 | for ac_exec_ext in '' $ac_executable_extensions; do
|
|---|
| 452 | ac_path_$1="$as_dir/$ac_prog$ac_exec_ext"
|
|---|
| 453 | AS_EXECUTABLE_P(["$ac_path_$1"]) || continue
|
|---|
| 454 | $3
|
|---|
| 455 | $ac_path_$1_found && break 3
|
|---|
| 456 | done
|
|---|
| 457 | done
|
|---|
| 458 | ])
|
|---|
| 459 | ])
|
|---|
| 460 | $1="$ac_cv_path_$1"
|
|---|
| 461 | if test -z "$$1"; then
|
|---|
| 462 | AC_MSG_ERROR([no acceptable $ac_prog_name could be found in dnl
|
|---|
| 463 | m4_default([$4], [\$PATH])])
|
|---|
| 464 | fi
|
|---|
| 465 | AC_SUBST([$1])
|
|---|
| 466 | else
|
|---|
| 467 | ac_cv_path_$1=$$1
|
|---|
| 468 | fi
|
|---|
| 469 | ])
|
|---|
| 470 |
|
|---|
| 471 |
|
|---|
| 472 | # _AC_FEATURE_CHECK_LENGTH(PROGPATH, CACHE-VAR, CHECK-CMD, [MATCH-STRING])
|
|---|
| 473 | # ------------------------------------------------------------------------
|
|---|
| 474 | # For use as the FEATURE-TEST argument to _AC_PATH_PROG_FEATURE_TEST.
|
|---|
| 475 | # On each iteration run CHECK-CMD on an input file, storing the value
|
|---|
| 476 | # of PROGPATH in CACHE-VAR if the CHECK-CMD succeeds. The input file
|
|---|
| 477 | # is always one line, starting with only 10 characters, and doubling
|
|---|
| 478 | # in length at each iteration until approx 10000 characters or the
|
|---|
| 479 | # feature check succeeds. The feature check is called at each
|
|---|
| 480 | # iteration by appending (optionally, MATCH-STRING and) a newline
|
|---|
| 481 | # to the file, and using the result as input to CHECK-CMD.
|
|---|
| 482 | m4_define([_AC_FEATURE_CHECK_LENGTH],
|
|---|
| 483 | [# Check for GNU $1 and select it if it is found.
|
|---|
| 484 | _AC_PATH_PROG_FLAVOR_GNU([$$1],
|
|---|
| 485 | [$2="$$1" $1_found=:],
|
|---|
| 486 | [ac_count=0
|
|---|
| 487 | echo $ECHO_N "0123456789$ECHO_C" >"conftest.in"
|
|---|
| 488 | while :
|
|---|
| 489 | do
|
|---|
| 490 | cat "conftest.in" "conftest.in" >"conftest.tmp"
|
|---|
| 491 | mv "conftest.tmp" "conftest.in"
|
|---|
| 492 | cp "conftest.in" "conftest.nl"
|
|---|
| 493 | echo '$4' >> "conftest.nl"
|
|---|
| 494 | $3 < "conftest.nl" >"conftest.out" 2>/dev/null || break
|
|---|
| 495 | diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
|
|---|
| 496 | ac_count=`expr $ac_count + 1`
|
|---|
| 497 | if test $ac_count -gt ${$1_max-0}; then
|
|---|
| 498 | # Best one so far, save it but keep looking for a better one
|
|---|
| 499 | $2="$$1"
|
|---|
| 500 | dnl # Using $1_max so that each tool feature checked gets its
|
|---|
| 501 | dnl # own variable. Don't reset it otherwise the implied search
|
|---|
| 502 | dnl # for best performing tool in a list breaks down.
|
|---|
| 503 | $1_max=$ac_count
|
|---|
| 504 | fi
|
|---|
| 505 | # 10*(2^10) chars as input seems more than enough
|
|---|
| 506 | test $ac_count -gt 10 && break
|
|---|
| 507 | done
|
|---|
| 508 | rm -f conftest.in conftest.tmp conftest.nl conftest.out])
|
|---|
| 509 | ])
|
|---|
| 510 |
|
|---|
| 511 |
|
|---|
| 512 | # _AC_PATH_PROG_FLAVOR_GNU(PROGRAM-PATH, IF-SUCCESS, [IF-FAILURE])
|
|---|
| 513 | # ----------------------------------------------------------------
|
|---|
| 514 | m4_define([_AC_PATH_PROG_FLAVOR_GNU],
|
|---|
| 515 | [# Check for GNU $1
|
|---|
| 516 | case `"$1" --version 2>&1` in
|
|---|
| 517 | *GNU*)
|
|---|
| 518 | $2;;
|
|---|
| 519 | m4_ifval([$3],
|
|---|
| 520 | [*)
|
|---|
| 521 | $3;;
|
|---|
| 522 | ])esac
|
|---|
| 523 | ])# _AC_PATH_PROG_FLAVOR_GNU
|
|---|
| 524 |
|
|---|
| 525 |
|
|---|
| 526 | # AC_PROG_INSTALL
|
|---|
| 527 | # ---------------
|
|---|
| 528 | AN_MAKEVAR([INSTALL], [AC_PROG_INSTALL])
|
|---|
| 529 | AN_PROGRAM([install], [AC_PROG_INSTALL])
|
|---|
| 530 | AC_DEFUN([AC_PROG_INSTALL],
|
|---|
| 531 | [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
|
|---|
| 532 | AC_REQUIRE_AUX_FILE([install-sh])dnl
|
|---|
| 533 | # Find a good install program. We prefer a C program (faster),
|
|---|
| 534 | # so one script is as good as another. But avoid the broken or
|
|---|
| 535 | # incompatible versions:
|
|---|
| 536 | # SysV /etc/install, /usr/sbin/install
|
|---|
| 537 | # SunOS /usr/etc/install
|
|---|
| 538 | # IRIX /sbin/install
|
|---|
| 539 | # AIX /bin/install
|
|---|
| 540 | # AmigaOS /C/install, which installs bootblocks on floppy discs
|
|---|
| 541 | # AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
|
|---|
| 542 | # AFS /usr/afsws/bin/install, which mishandles nonexistent args
|
|---|
| 543 | # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
|
|---|
| 544 | # OS/2's system install, which has a completely different semantic
|
|---|
| 545 | # ./install, which can be erroneously created by make from ./install.sh.
|
|---|
| 546 | AC_MSG_CHECKING([for a BSD-compatible install])
|
|---|
| 547 | if test -z "$INSTALL"; then
|
|---|
| 548 | AC_CACHE_VAL(ac_cv_path_install,
|
|---|
| 549 | [_AS_PATH_WALK([$PATH],
|
|---|
| 550 | [# Account for people who put trailing slashes in PATH elements.
|
|---|
| 551 | case $as_dir/ in
|
|---|
| 552 | ./ | .// | /[cC]/* | \
|
|---|
| 553 | /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
|
|---|
| 554 | ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \
|
|---|
| 555 | /usr/ucb/* ) ;;
|
|---|
| 556 | *)
|
|---|
| 557 | # OSF1 and SCO ODT 3.0 have their own names for install.
|
|---|
| 558 | # Don't use installbsd from OSF since it installs stuff as root
|
|---|
| 559 | # by default.
|
|---|
| 560 | for ac_prog in ginstall scoinst install; do
|
|---|
| 561 | for ac_exec_ext in '' $ac_executable_extensions; do
|
|---|
| 562 | if AS_EXECUTABLE_P(["$as_dir/$ac_prog$ac_exec_ext"]); then
|
|---|
| 563 | if test $ac_prog = install &&
|
|---|
| 564 | grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
|
|---|
| 565 | # AIX install. It has an incompatible calling convention.
|
|---|
| 566 | :
|
|---|
| 567 | elif test $ac_prog = install &&
|
|---|
| 568 | grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
|
|---|
| 569 | # program-specific install script used by HP pwplus--don't use.
|
|---|
| 570 | :
|
|---|
| 571 | else
|
|---|
| 572 | ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
|
|---|
| 573 | break 3
|
|---|
| 574 | fi
|
|---|
| 575 | fi
|
|---|
| 576 | done
|
|---|
| 577 | done
|
|---|
| 578 | ;;
|
|---|
| 579 | esac])
|
|---|
| 580 | ])dnl
|
|---|
| 581 | if test "${ac_cv_path_install+set}" = set; then
|
|---|
| 582 | INSTALL=$ac_cv_path_install
|
|---|
| 583 | else
|
|---|
| 584 | # As a last resort, use the slow shell script. Don't cache a
|
|---|
| 585 | # value for INSTALL within a source directory, because that will
|
|---|
| 586 | # break other packages using the cache if that directory is
|
|---|
| 587 | # removed, or if the value is a relative name.
|
|---|
| 588 | INSTALL=$ac_install_sh
|
|---|
| 589 | fi
|
|---|
| 590 | fi
|
|---|
| 591 | dnl Do special magic for INSTALL instead of AC_SUBST, to get
|
|---|
| 592 | dnl relative names right.
|
|---|
| 593 | AC_MSG_RESULT([$INSTALL])
|
|---|
| 594 |
|
|---|
| 595 | # Use test -z because SunOS4 sh mishandles braces in ${var-val}.
|
|---|
| 596 | # It thinks the first close brace ends the variable substitution.
|
|---|
| 597 | test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
|
|---|
| 598 | AC_SUBST(INSTALL_PROGRAM)dnl
|
|---|
| 599 |
|
|---|
| 600 | test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
|
|---|
| 601 | AC_SUBST(INSTALL_SCRIPT)dnl
|
|---|
| 602 |
|
|---|
| 603 | test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
|
|---|
| 604 | AC_SUBST(INSTALL_DATA)dnl
|
|---|
| 605 | ])# AC_PROG_INSTALL
|
|---|
| 606 |
|
|---|
| 607 |
|
|---|
| 608 | # AC_PROG_MKDIR_P
|
|---|
| 609 | # ---------------
|
|---|
| 610 | # Check whether `mkdir -p' is known to be thread-safe, and fall back to
|
|---|
| 611 | # install-sh -d otherwise.
|
|---|
| 612 | #
|
|---|
| 613 | # Automake 1.8 used `mkdir -m 0755 -p --' to ensure that directories
|
|---|
| 614 | # created by `make install' are always world readable, even if the
|
|---|
| 615 | # installer happens to have an overly restrictive umask (e.g. 077).
|
|---|
| 616 | # This was a mistake. There are at least two reasons why we must not
|
|---|
| 617 | # use `-m 0755':
|
|---|
| 618 | # - it causes special bits like SGID to be ignored,
|
|---|
| 619 | # - it may be too restrictive (some setups expect 775 directories).
|
|---|
| 620 | #
|
|---|
| 621 | # Do not use -m 0755 and let people choose whatever they expect by
|
|---|
| 622 | # setting umask.
|
|---|
| 623 | #
|
|---|
| 624 | # We cannot accept any implementation of `mkdir' that recognizes `-p'.
|
|---|
| 625 | # Some implementations (such as Solaris 8's) are vulnerable to race conditions:
|
|---|
| 626 | # if a parallel make tries to run `mkdir -p a/b' and `mkdir -p a/c'
|
|---|
| 627 | # concurrently, both version can detect that a/ is missing, but only
|
|---|
| 628 | # one can create it and the other will error out. Consequently we
|
|---|
| 629 | # restrict ourselves to known race-free implementations.
|
|---|
| 630 | #
|
|---|
| 631 | # Automake used to define mkdir_p as `mkdir -p .', in order to
|
|---|
| 632 | # allow $(mkdir_p) to be used without argument. As in
|
|---|
| 633 | # $(mkdir_p) $(somedir)
|
|---|
| 634 | # where $(somedir) is conditionally defined. However we don't do
|
|---|
| 635 | # that for MKDIR_P.
|
|---|
| 636 | # 1. before we restricted the check to GNU mkdir, `mkdir -p .' was
|
|---|
| 637 | # reported to fail in read-only directories. The system where this
|
|---|
| 638 | # happened has been forgotten.
|
|---|
| 639 | # 2. in practice we call $(MKDIR_P) on directories such as
|
|---|
| 640 | # $(MKDIR_P) "$(DESTDIR)$(somedir)"
|
|---|
| 641 | # and we don't want to create $(DESTDIR) if $(somedir) is empty.
|
|---|
| 642 | # To support the latter case, we have to write
|
|---|
| 643 | # test -z "$(somedir)" || $(MKDIR_P) "$(DESTDIR)$(somedir)"
|
|---|
| 644 | # so $(MKDIR_P) always has an argument.
|
|---|
| 645 | # We will have better chances of detecting a missing test if
|
|---|
| 646 | # $(MKDIR_P) complains about missing arguments.
|
|---|
| 647 | # 3. $(MKDIR_P) is named after `mkdir -p' and we don't expect this
|
|---|
| 648 | # to accept no argument.
|
|---|
| 649 | # 4. having something like `mkdir .' in the output is unsightly.
|
|---|
| 650 | #
|
|---|
| 651 | # On NextStep and OpenStep, the `mkdir' command does not
|
|---|
| 652 | # recognize any option. It will interpret all options as
|
|---|
| 653 | # directories to create.
|
|---|
| 654 | AN_MAKEVAR([MKDIR_P], [AC_PROG_MKDIR_P])
|
|---|
| 655 | AC_DEFUN([AC_PROG_MKDIR_P],
|
|---|
| 656 | [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
|
|---|
| 657 | AC_REQUIRE_AUX_FILE([install-sh])dnl
|
|---|
| 658 | AC_MSG_CHECKING([for a thread-safe mkdir -p])
|
|---|
| 659 | if test -z "$MKDIR_P"; then
|
|---|
| 660 | AC_CACHE_VAL([ac_cv_path_mkdir],
|
|---|
| 661 | [_AS_PATH_WALK([$PATH$PATH_SEPARATOR/opt/sfw/bin],
|
|---|
| 662 | [for ac_prog in mkdir gmkdir; do
|
|---|
| 663 | for ac_exec_ext in '' $ac_executable_extensions; do
|
|---|
| 664 | AS_EXECUTABLE_P(["$as_dir/$ac_prog$ac_exec_ext"]) || continue
|
|---|
| 665 | case `"$as_dir/$ac_prog$ac_exec_ext" --version 2>&1` in #(
|
|---|
| 666 | 'mkdir (GNU coreutils) '* | \
|
|---|
| 667 | 'mkdir (coreutils) '* | \
|
|---|
| 668 | 'mkdir (fileutils) '4.1*)
|
|---|
| 669 | ac_cv_path_mkdir=$as_dir/$ac_prog$ac_exec_ext
|
|---|
| 670 | break 3;;
|
|---|
| 671 | esac
|
|---|
| 672 | done
|
|---|
| 673 | done])])
|
|---|
| 674 | if test "${ac_cv_path_mkdir+set}" = set; then
|
|---|
| 675 | MKDIR_P="$ac_cv_path_mkdir -p"
|
|---|
| 676 | else
|
|---|
| 677 | # As a last resort, use the slow shell script. Don't cache a
|
|---|
| 678 | # value for MKDIR_P within a source directory, because that will
|
|---|
| 679 | # break other packages using the cache if that directory is
|
|---|
| 680 | # removed, or if the value is a relative name.
|
|---|
| 681 | test -d ./--version && rmdir ./--version
|
|---|
| 682 | MKDIR_P="$ac_install_sh -d"
|
|---|
| 683 | fi
|
|---|
| 684 | fi
|
|---|
| 685 | dnl Do special magic for MKDIR_P instead of AC_SUBST, to get
|
|---|
| 686 | dnl relative names right.
|
|---|
| 687 | AC_MSG_RESULT([$MKDIR_P])
|
|---|
| 688 | ])# AC_PROG_MKDIR_P
|
|---|
| 689 |
|
|---|
| 690 |
|
|---|
| 691 | # AC_PROG_LEX
|
|---|
| 692 | # -----------
|
|---|
| 693 | # Look for flex or lex. Set its associated library to LEXLIB.
|
|---|
| 694 | # Check if lex declares yytext as a char * by default, not a char[].
|
|---|
| 695 | AN_MAKEVAR([LEX], [AC_PROG_LEX])
|
|---|
| 696 | AN_PROGRAM([lex], [AC_PROG_LEX])
|
|---|
| 697 | AN_PROGRAM([flex], [AC_PROG_LEX])
|
|---|
| 698 | AC_DEFUN_ONCE([AC_PROG_LEX],
|
|---|
| 699 | [AC_CHECK_PROGS(LEX, flex lex, :)
|
|---|
| 700 | if test "x$LEX" != "x:"; then
|
|---|
| 701 | _AC_PROG_LEX_YYTEXT_DECL
|
|---|
| 702 | fi])
|
|---|
| 703 |
|
|---|
| 704 |
|
|---|
| 705 | # _AC_PROG_LEX_YYTEXT_DECL
|
|---|
| 706 | # ------------------------
|
|---|
| 707 | # Check for the Lex output root, the Lex library, and whether Lex
|
|---|
| 708 | # declares yytext as a char * by default.
|
|---|
| 709 | m4_define([_AC_PROG_LEX_YYTEXT_DECL],
|
|---|
| 710 | [cat >conftest.l <<_ACEOF[
|
|---|
| 711 | %%
|
|---|
| 712 | a { ECHO; }
|
|---|
| 713 | b { REJECT; }
|
|---|
| 714 | c { yymore (); }
|
|---|
| 715 | d { yyless (1); }
|
|---|
| 716 | e { yyless (input () != 0); }
|
|---|
| 717 | f { unput (yytext[0]); }
|
|---|
| 718 | . { BEGIN INITIAL; }
|
|---|
| 719 | %%
|
|---|
| 720 | #ifdef YYTEXT_POINTER
|
|---|
| 721 | extern char *yytext;
|
|---|
| 722 | #endif
|
|---|
| 723 | int
|
|---|
| 724 | main (void)
|
|---|
| 725 | {
|
|---|
| 726 | return ! yylex () + ! yywrap ();
|
|---|
| 727 | }
|
|---|
| 728 | ]_ACEOF
|
|---|
| 729 | _AC_DO_VAR(LEX conftest.l)
|
|---|
| 730 | AC_CACHE_CHECK([lex output file root], [ac_cv_prog_lex_root], [
|
|---|
| 731 | if test -f lex.yy.c; then
|
|---|
| 732 | ac_cv_prog_lex_root=lex.yy
|
|---|
| 733 | elif test -f lexyy.c; then
|
|---|
| 734 | ac_cv_prog_lex_root=lexyy
|
|---|
| 735 | else
|
|---|
| 736 | AC_MSG_ERROR([cannot find output from $LEX; giving up])
|
|---|
| 737 | fi])
|
|---|
| 738 | AC_SUBST([LEX_OUTPUT_ROOT], [$ac_cv_prog_lex_root])dnl
|
|---|
| 739 |
|
|---|
| 740 | if test -z "${LEXLIB+set}"; then
|
|---|
| 741 | AC_CACHE_CHECK([lex library], [ac_cv_lib_lex], [
|
|---|
| 742 | ac_save_LIBS=$LIBS
|
|---|
| 743 | ac_cv_lib_lex='none needed'
|
|---|
| 744 | for ac_lib in '' -lfl -ll; do
|
|---|
| 745 | LIBS="$ac_lib $ac_save_LIBS"
|
|---|
| 746 | AC_LINK_IFELSE([`cat $LEX_OUTPUT_ROOT.c`], [ac_cv_lib_lex=$ac_lib])
|
|---|
| 747 | test "$ac_cv_lib_lex" != 'none needed' && break
|
|---|
| 748 | done
|
|---|
| 749 | LIBS=$ac_save_LIBS
|
|---|
| 750 | ])
|
|---|
| 751 | test "$ac_cv_lib_lex" != 'none needed' && LEXLIB=$ac_cv_lib_lex
|
|---|
| 752 | fi
|
|---|
| 753 | AC_SUBST(LEXLIB)
|
|---|
| 754 |
|
|---|
| 755 | AC_CACHE_CHECK(whether yytext is a pointer, ac_cv_prog_lex_yytext_pointer,
|
|---|
| 756 | [# POSIX says lex can declare yytext either as a pointer or an array; the
|
|---|
| 757 | # default is implementation-dependent. Figure out which it is, since
|
|---|
| 758 | # not all implementations provide the %pointer and %array declarations.
|
|---|
| 759 | ac_cv_prog_lex_yytext_pointer=no
|
|---|
| 760 | ac_save_LIBS=$LIBS
|
|---|
| 761 | LIBS="$LEXLIB $ac_save_LIBS"
|
|---|
| 762 | AC_LINK_IFELSE(
|
|---|
| 763 | [#define YYTEXT_POINTER 1
|
|---|
| 764 | `cat $LEX_OUTPUT_ROOT.c`],
|
|---|
| 765 | [ac_cv_prog_lex_yytext_pointer=yes])
|
|---|
| 766 | LIBS=$ac_save_LIBS
|
|---|
| 767 | ])
|
|---|
| 768 | dnl
|
|---|
| 769 | if test $ac_cv_prog_lex_yytext_pointer = yes; then
|
|---|
| 770 | AC_DEFINE(YYTEXT_POINTER, 1,
|
|---|
| 771 | [Define to 1 if `lex' declares `yytext' as a `char *' by default,
|
|---|
| 772 | not a `char[]'.])
|
|---|
| 773 | fi
|
|---|
| 774 | rm -f conftest.l $LEX_OUTPUT_ROOT.c
|
|---|
| 775 | ])# _AC_PROG_LEX_YYTEXT_DECL
|
|---|
| 776 |
|
|---|
| 777 |
|
|---|
| 778 | # Require AC_PROG_LEX in case some people were just calling this macro.
|
|---|
| 779 | AU_DEFUN([AC_DECL_YYTEXT], [AC_PROG_LEX])
|
|---|
| 780 |
|
|---|
| 781 |
|
|---|
| 782 | # AC_PROG_LN_S
|
|---|
| 783 | # ------------
|
|---|
| 784 | AN_MAKEVAR([LN], [AC_PROG_LN_S])
|
|---|
| 785 | AN_PROGRAM([ln], [AC_PROG_LN_S])
|
|---|
| 786 | AC_DEFUN([AC_PROG_LN_S],
|
|---|
| 787 | [AC_MSG_CHECKING([whether ln -s works])
|
|---|
| 788 | AC_SUBST([LN_S], [$as_ln_s])dnl
|
|---|
| 789 | if test "$LN_S" = "ln -s"; then
|
|---|
| 790 | AC_MSG_RESULT([yes])
|
|---|
| 791 | else
|
|---|
| 792 | AC_MSG_RESULT([no, using $LN_S])
|
|---|
| 793 | fi
|
|---|
| 794 | ])# AC_PROG_LN_S
|
|---|
| 795 |
|
|---|
| 796 |
|
|---|
| 797 | # AC_PROG_MAKE_SET
|
|---|
| 798 | # ----------------
|
|---|
| 799 | # Define SET_MAKE to set ${MAKE} if Make does not do so automatically. If Make
|
|---|
| 800 | # does not run the test Makefile, we assume that the Make program the user will
|
|---|
| 801 | # invoke does set $(MAKE). This is typical, and emitting `MAKE=foomake' is
|
|---|
| 802 | # always wrong if `foomake' is not available or does not work.
|
|---|
| 803 | AN_MAKEVAR([MAKE], [AC_PROG_MAKE_SET])
|
|---|
| 804 | AN_PROGRAM([make], [AC_PROG_MAKE_SET])
|
|---|
| 805 | AC_DEFUN([AC_PROG_MAKE_SET],
|
|---|
| 806 | [AC_MSG_CHECKING([whether ${MAKE-make} sets \$(MAKE)])
|
|---|
| 807 | set x ${MAKE-make}; ac_make=`echo "$[2]" | sed 's/+/p/g; s/[[^a-zA-Z0-9_]]/_/g'`
|
|---|
| 808 | AC_CACHE_VAL(ac_cv_prog_make_${ac_make}_set,
|
|---|
| 809 | [cat >conftest.make <<\_ACEOF
|
|---|
| 810 | SHELL = /bin/sh
|
|---|
| 811 | all:
|
|---|
| 812 | @echo '@@@%%%=$(MAKE)=@@@%%%'
|
|---|
| 813 | _ACEOF
|
|---|
| 814 | # GNU make sometimes prints "make[1]: Entering...", which would confuse us.
|
|---|
| 815 | case `${MAKE-make} -f conftest.make 2>/dev/null` in
|
|---|
| 816 | *@@@%%%=?*=@@@%%%*)
|
|---|
| 817 | eval ac_cv_prog_make_${ac_make}_set=yes;;
|
|---|
| 818 | *)
|
|---|
| 819 | eval ac_cv_prog_make_${ac_make}_set=no;;
|
|---|
| 820 | esac
|
|---|
| 821 | rm -f conftest.make])dnl
|
|---|
| 822 | if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
|
|---|
| 823 | AC_MSG_RESULT([yes])
|
|---|
| 824 | SET_MAKE=
|
|---|
| 825 | else
|
|---|
| 826 | AC_MSG_RESULT([no])
|
|---|
| 827 | SET_MAKE="MAKE=${MAKE-make}"
|
|---|
| 828 | fi
|
|---|
| 829 | AC_SUBST([SET_MAKE])dnl
|
|---|
| 830 | ])# AC_PROG_MAKE_SET
|
|---|
| 831 |
|
|---|
| 832 |
|
|---|
| 833 | # AC_PROG_RANLIB
|
|---|
| 834 | # --------------
|
|---|
| 835 | AN_MAKEVAR([RANLIB], [AC_PROG_RANLIB])
|
|---|
| 836 | AN_PROGRAM([ranlib], [AC_PROG_RANLIB])
|
|---|
| 837 | AC_DEFUN([AC_PROG_RANLIB],
|
|---|
| 838 | [AC_CHECK_TOOL(RANLIB, ranlib, :)])
|
|---|
| 839 |
|
|---|
| 840 |
|
|---|
| 841 | # AC_RSH
|
|---|
| 842 | # ------
|
|---|
| 843 | # I don't know what it used to do, but it no longer does.
|
|---|
| 844 | AU_DEFUN([AC_RSH], [],
|
|---|
| 845 | [$0 is no longer supported. Remove this warning when you
|
|---|
| 846 | adjust the code.])
|
|---|
| 847 |
|
|---|
| 848 |
|
|---|
| 849 | # AC_PROG_SED
|
|---|
| 850 | # -----------
|
|---|
| 851 | # Check for a fully functional sed program that truncates
|
|---|
| 852 | # as few characters as possible. Prefer GNU sed if found.
|
|---|
| 853 | AC_DEFUN([AC_PROG_SED],
|
|---|
| 854 | [AC_CACHE_CHECK([for a sed that does not truncate output], ac_cv_path_SED,
|
|---|
| 855 | [dnl ac_script should not contain more than 99 commands (for HP-UX sed),
|
|---|
| 856 | dnl but more than about 7000 bytes, to catch a limit in Solaris 8 /usr/ucb/sed.
|
|---|
| 857 | ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
|
|---|
| 858 | for ac_i in 1 2 3 4 5 6 7; do
|
|---|
| 859 | ac_script="$ac_script$as_nl$ac_script"
|
|---|
| 860 | done
|
|---|
| 861 | echo "$ac_script" | sed 99q >conftest.sed
|
|---|
| 862 | $as_unset ac_script || ac_script=
|
|---|
| 863 | _AC_PATH_PROG_FEATURE_CHECK(SED, [sed gsed],
|
|---|
| 864 | [_AC_FEATURE_CHECK_LENGTH([ac_path_SED], [ac_cv_path_SED],
|
|---|
| 865 | ["$ac_path_SED" -f conftest.sed])])])
|
|---|
| 866 | SED="$ac_cv_path_SED"
|
|---|
| 867 | AC_SUBST([SED])dnl
|
|---|
| 868 | rm -f conftest.sed
|
|---|
| 869 | ])# AC_PROG_SED
|
|---|
| 870 |
|
|---|
| 871 |
|
|---|
| 872 | # AC_PROG_YACC
|
|---|
| 873 | # ------------
|
|---|
| 874 | AN_MAKEVAR([BISON], [AC_PROG_YACC])
|
|---|
| 875 | AN_MAKEVAR([YACC], [AC_PROG_YACC])
|
|---|
| 876 | AN_MAKEVAR([YFLAGS], [AC_PROG_YACC])
|
|---|
| 877 | AN_PROGRAM([yacc], [AC_PROG_YACC])
|
|---|
| 878 | AN_PROGRAM([byacc], [AC_PROG_YACC])
|
|---|
| 879 | AN_PROGRAM([bison], [AC_PROG_YACC])
|
|---|
| 880 | AC_DEFUN([AC_PROG_YACC],
|
|---|
| 881 | [AC_CHECK_PROGS(YACC, 'bison -y' byacc, yacc)dnl
|
|---|
| 882 | AC_ARG_VAR(YACC,
|
|---|
| 883 | [The `Yet Another C Compiler' implementation to use. Defaults to the first
|
|---|
| 884 | program found out of: `bison -y', `byacc', `yacc'.])dnl
|
|---|
| 885 | AC_ARG_VAR(YFLAGS,
|
|---|
| 886 | [The list of arguments that will be passed by default to $YACC. This script
|
|---|
| 887 | will default YFLAGS to the empty string to avoid a default value of `-d' given
|
|---|
| 888 | by some make applications.])])
|
|---|
