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# ================================================================================
# https://www.gnu.org/software/autoconf-archive/ax_set_default_paths_system.html
# ================================================================================
#
# SYNOPSIS
#
# AX_SET_DEFAULT_PATHS_SYSTEM
#
# DESCRIPTION
#
# 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
# $datadir/man. We use an extra docprefix to express it which is either
# defined as being prefix or datadir. not SUBSTed here.
#
# LICENSE
#
# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 10
AU_ALIAS([AC_SET_DEFAULT_PATHS_SYSTEM], [AX_SET_DEFAULT_PATHS_SYSTEM])
AC_DEFUN([AX_SET_DEFAULT_PATHS_SYSTEM],
[AC_REQUIRE([AC_CANONICAL_HOST]) # --------------------------------------------
case "$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 "$result" = "NONE" && result="$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}:'`
# $prefix/var is going to be /var$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)
# --------------------------------------------------------
])
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