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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
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   Autoconf Macro: ac_set_default_paths_system
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  <h1>
   ac_set_default_paths_system
  </h1>
  <h2>
   Synopsis
  </h2>
  <p class="indent" style="white-space:nowrap;">
   <code>AC_SET_DEFAULT_PATHS_SYSTEM</code>
  </p>
  <h2>
   Description
  </h2>
  <div class="indent">
   <p>
    the most interesting changes go about windows-targets - where the
    default_prefix is set to /programs, and quite some directories are aliased:
    sbindir := libdir := bindir and the docprefix-defaults are also a bit
    different, even on FHS2-compliant systems where the mandir is going to
    $prefix/man only if prefix=/usr, otherwise they shall go to $datadir/man.
    We use an extra docprefix to express it which is either defined as being
    prefix or datadir. not SUBSTed here.
   </p>
  </div>
  <h2>
   Author
  </h2>
  <p class="indent">
   Guido U. Draheim &lt;guidod@gmx.de&gt;
  </p>
  <h2>
   Last Modified
  </h2>
  <p class="indent">
   2006-10-13
  </p>
  <h2>
   M4 Source Code
  </h2>
  <div class="indent">
   <pre class="m4source">
AC_DEFUN([AC_SET_DEFAULT_PATHS_SYSTEM],
[AC_REQUIRE([AC_CANONICAL_HOST]) # --------------------------------------------
case "$prefix:$ac_default_prefix" in
  NONE:/usr/local)
    result=""
    AC_MSG_CHECKING(default prefix path)
    case "${target_os}" in
      *cygwin* | *mingw* | *uwin* | *djgpp | *emx* )
        if test "${host_os}" = "${target_os}" ; then
           ac_default_prefix="/programs"
           result="(win/dos target)"
        else
           case "$PATH" in
              *:/usr/local/cross-tools/$target_alias/bin:*)
                  ac_default_prefix="/usr/local/cross-tools/$target_alias" ;;
              *:/usr/local/$target_alias/bin:*)
                  ac_default_prefix="/usr/local/$target_alias" ;;
              *:/usr/local/$target_cpu-$target_os/bin:*)
                  ac_default_prefix="/usr/local/$target_cpu-$target_os" ;;
              *)
                  ac_default_prefix="/programs" ;;
           esac
           result="(win/dos cross-compiler)"
        fi
    ;;
    esac
    AC_MSG_RESULT($ac_default_prefix $result)
  ;;
esac
AC_MSG_CHECKING(default prefix system)
result="$prefix" ; test "$result" = "NONE" &amp;&amp; result="$ac_default_prefix"
case ${result} in
  /programs | /programs/*) result="is win-/programs"
     # on win/dos, .exe .dll and .cfg live in the same directory
     libdir=`echo $libdir |sed -e 's:^..exec_prefix./lib$:${bindir}:'`
     sbindir=`echo $sbindir |sed -e 's:^..exec_prefix./sbin$:${libdir}:'`
     sysconfdir=`echo $sysconfdir |sed -e 's:^..prefix./etc$:${sbindir}:'`
     libexecdir=`echo $libexecdir |sed -e 's:/libexec$:/system:'`
     # help-files shall be set with --infodir, docprefix is datadir
     docprefix="${datadir}"
     mandir=`echo $mandir \
                             |sed -e 's:^..prefix./man$:${datadir}/info:'`
     includedir=`echo $includedir \
                |sed -e 's:^..prefix./include$:${datadir}/include:'`
     # other state files (but /etc) are moved to datadir
     sharedstatedir=`echo $sharedstatedir \
                     |sed -e 's:^..prefix./com$:${datadir}/default:'`
     localstatedir=`echo $localstatedir \
                     |sed -e 's:^..prefix./var$:${datadir}/current:'`
  ;;
  /usr) result="is /usr-shipped"
     # doc files are left at prefix
     docprefix="${prefix}"
     # state files go under /top
     sysconfdir=`echo $sysconfdir |sed -e 's:^..prefix./etc$:/etc:'`
     sharedstatedir=`echo $sharedstatedir \
                     |sed -e 's:^..prefix./com$:/etc/default:'`
     # $prefix/var is going to end up in /var/lib
     localstatedir=`echo $localstatedir \
                     |sed -e 's:^..prefix./var$:/var/lib:'`
  ;;
  /opt | /opt/*) result="is /opt-package"
     # state files go under /top/prefix
     sysconfdir=`echo $sysconfdir \
                     |sed -e 's:^..prefix./etc$:/etc${prefix}:'`
     sharedstatedir=`echo $sharedstatedir \
                     |sed -e 's:^..prefix./com$:/etc/default${prefix}:'`
     # $prefix/var is going to to be /var$prefix... once again
     localstatedir=`echo $localstatedir \
                     |sed -e 's:^..prefix./var$:/var${prefix}:'`
     # doc files are left at prefix
     docprefix="${prefix}"
  ;;
  *) result="is /local-package"
     # doc files are moved from prefix down to datadir
     docprefix="${datadir}"
     mandir=`echo $mandir \
                     |sed -e 's:^..prefix./man$:${datadir}/man:'`
     infodir=`echo $infodir \
                     |sed -e 's:^..prefix./infodir$:${datadir}/info:'`
     # never use $prefix/com - that is no good idea
     sharedstatedir=`echo $sharedstatedir \
                     |sed -e 's:^..prefix./com$:${sysconfdir}/default:'`
  ;;
esac
AC_MSG_RESULT($result)
# --------------------------------------------------------
])
</pre>
  </div>
  <h2>
   License
  </h2>
  <div class="indent">
   <span style="white-space:nowrap;">Copyright &copy; 2006 Guido U. Draheim
   &lt;guidod@gmx.de&gt;</span>
   <p>
    This program is free software; you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the Free
    Software Foundation; either version 2 of the License, or (at your option)
    any later version.
   </p>
   <p>
    This program is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
    more details.
   </p>
   <p>
    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc., 59
    Temple Place - Suite 330, Boston, MA 02111-1307, USA.
   </p>
   <p>
    As a special exception, the respective Autoconf Macro's copyright owner
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