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annotate aclocal.m4 @ 453:da556fe134c3 noffle

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[svn] update
author godisch
date Wed, 25 Jun 2003 17:37:21 +0100
parents a6e3b57fb035
children d33568bb18ab
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
438
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1 dnl aclocal.m4 generated automatically by aclocal 1.4-p4
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2
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3 dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
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4 dnl This file is free software; the Free Software Foundation
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5 dnl gives unlimited permission to copy and/or distribute it,
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6 dnl with or without modifications, as long as this notice is preserved.
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7
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8 dnl This program is distributed in the hope that it will be useful,
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9 dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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10 dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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11 dnl PARTICULAR PURPOSE.
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12
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13 # Like AC_CONFIG_HEADER, but automatically create stamp file.
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14
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15 AC_DEFUN(AM_CONFIG_HEADER,
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16 [AC_PREREQ([2.12])
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17 AC_CONFIG_HEADER([$1])
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18 dnl When config.status generates a header, we must update the stamp-h file.
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19 dnl This file resides in the same directory as the config header
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20 dnl that is generated. We must strip everything past the first ":",
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21 dnl and everything past the last "/".
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22 AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl
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23 ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>,
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24 <<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>,
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25 <<am_indx=1
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26 for am_file in <<$1>>; do
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27 case " <<$>>CONFIG_HEADERS " in
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28 *" <<$>>am_file "*<<)>>
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29 echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx
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30 ;;
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31 esac
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32 am_indx=`expr "<<$>>am_indx" + 1`
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33 done<<>>dnl>>)
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34 changequote([,]))])
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35
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36 # Do all the work for Automake. This macro actually does too much --
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37 # some checks are only needed if your package does certain things.
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38 # But this isn't really a big deal.
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39
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40 # serial 1
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41
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42 dnl Usage:
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43 dnl AM_INIT_AUTOMAKE(package,version, [no-define])
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44
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45 AC_DEFUN(AM_INIT_AUTOMAKE,
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46 [AC_REQUIRE([AC_PROG_INSTALL])
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47 PACKAGE=[$1]
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48 AC_SUBST(PACKAGE)
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49 VERSION=[$2]
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50 AC_SUBST(VERSION)
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51 dnl test to see if srcdir already configured
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52 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
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53 AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
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54 fi
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55 ifelse([$3],,
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56 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
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57 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
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58 AC_REQUIRE([AM_SANITY_CHECK])
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59 AC_REQUIRE([AC_ARG_PROGRAM])
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60 dnl FIXME This is truly gross.
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61 missing_dir=`cd $ac_aux_dir && pwd`
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62 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
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63 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
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64 AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
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65 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
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66 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
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67 AC_REQUIRE([AC_PROG_MAKE_SET])])
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68
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69 #
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70 # Check to make sure that the build environment is sane.
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71 #
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72
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73 AC_DEFUN(AM_SANITY_CHECK,
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74 [AC_MSG_CHECKING([whether build environment is sane])
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75 # Just in case
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76 sleep 1
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77 echo timestamp > conftestfile
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78 # Do `set' in a subshell so we don't clobber the current shell's
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79 # arguments. Must try -L first in case configure is actually a
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80 # symlink; some systems play weird games with the mod time of symlinks
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81 # (eg FreeBSD returns the mod time of the symlink's containing
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82 # directory).
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83 if (
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84 set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
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85 if test "[$]*" = "X"; then
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86 # -L didn't work.
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87 set X `ls -t $srcdir/configure conftestfile`
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88 fi
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89 if test "[$]*" != "X $srcdir/configure conftestfile" \
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90 && test "[$]*" != "X conftestfile $srcdir/configure"; then
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91
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92 # If neither matched, then we have a broken ls. This can happen
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93 # if, for instance, CONFIG_SHELL is bash and it inherits a
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94 # broken ls alias from the environment. This has actually
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95 # happened. Such a system could not be considered "sane".
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96 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
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97 alias in your environment])
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98 fi
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99
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100 test "[$]2" = conftestfile
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101 )
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102 then
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103 # Ok.
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104 :
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105 else
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106 AC_MSG_ERROR([newly created file is older than distributed files!
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107 Check your system clock])
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108 fi
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109 rm -f conftest*
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110 AC_MSG_RESULT(yes)])
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111
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112 dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
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113 dnl The program must properly implement --version.
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114 AC_DEFUN(AM_MISSING_PROG,
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115 [AC_MSG_CHECKING(for working $2)
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116 # Run test in a subshell; some versions of sh will print an error if
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117 # an executable is not found, even if stderr is redirected.
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118 # Redirect stdin to placate older versions of autoconf. Sigh.
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119 if ($2 --version) < /dev/null > /dev/null 2>&1; then
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120 $1=$2
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121 AC_MSG_RESULT(found)
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122 else
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123 $1="$3/missing $2"
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124 AC_MSG_RESULT(missing)
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125 fi
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126 AC_SUBST($1)])
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127