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-rw-r--r--m4/cares-system.m483
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diff --git a/m4/cares-system.m4 b/m4/cares-system.m4
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-#***************************************************************************
-# $Id$
-#
-# Copyright (C) 2008 - 2009 by Daniel Stenberg et al
-#
-# Permission to use, copy, modify, and distribute this software and its
-# documentation for any purpose and without fee is hereby granted, provided
-# that the above copyright notice appear in all copies and that both that
-# copyright notice and this permission notice appear in supporting
-# documentation, and that the name of M.I.T. not be used in advertising or
-# publicity pertaining to distribution of the software without specific,
-# written prior permission. M.I.T. makes no representations about the
-# suitability of this software for any purpose. It is provided "as is"
-# without express or implied warranty.
-#
-#***************************************************************************
-
-# File version for 'aclocal' use. Keep it a single number.
-# serial 3
-
-
-dnl CARES_CHECK_PATH_SEPARATOR
-dnl -------------------------------------------------
-dnl Check and compute the path separator for us. This
-dnl path separator is the symbol used to diferentiate
-dnl or separate paths inside the PATH environment var.
-
-AC_DEFUN([CARES_CHECK_PATH_SEPARATOR], [
- if test -z "$cares_cv_PATH_SEPARATOR"; then
- if test -z "$PATH"; then
- AC_MSG_ERROR([PATH not set. Cannot continue without PATH being set.])
- fi
- dnl Directory count in PATH when using a colon separator.
- tst_dirs_col=0
- tst_save_IFS=$IFS; IFS=':'
- for tst_dir in $PATH; do
- IFS=$tst_save_IFS
- test -d "$tst_dir" && tst_dirs_col=`expr $tst_dirs_col + 1`
- done
- IFS=$tst_save_IFS
- dnl Directory count in PATH when using a semicolon separator.
- tst_dirs_sem=0
- tst_save_IFS=$IFS; IFS=';'
- for tst_dir in $PATH; do
- IFS=$tst_save_IFS
- test -d "$tst_dir" && tst_dirs_sem=`expr $tst_dirs_sem + 1`
- done
- IFS=$tst_save_IFS
- if test $tst_dirs_sem -eq $tst_dirs_col; then
- dnl When both counting methods give the same result we do not want to
- dnl chose one over the other, and consider auto-detection not possible.
- if test -z "$PATH_SEPARATOR"; then
- dnl Stop dead until user provides PATH_SEPARATOR definition.
- AC_MSG_ERROR([PATH_SEPARATOR not set. Cannot continue without it.])
- fi
- else
- dnl Separator with the greater directory count is the auto-detected one.
- if test $tst_dirs_sem -gt $tst_dirs_col; then
- tst_auto_separator=';'
- else
- tst_auto_separator=':'
- fi
- if test -z "$PATH_SEPARATOR"; then
- dnl Simply use the auto-detected one when not already set.
- PATH_SEPARATOR="$tst_auto_separator"
- fi
- fi
- cares_cv_PATH_SEPARATOR="$PATH_SEPARATOR"
- fi
- AC_SUBST([PATH_SEPARATOR])
- AC_SUBST([PATH])
-])
-
-
-dnl CARES_CHECK_PATH_SEPARATOR_REQUIRED
-dnl -------------------------------------------------
-dnl Use this to ensure that the path separator check
-dnl macro is only expanded and included once.
-
-AC_DEFUN([CARES_CHECK_PATH_SEPARATOR_REQUIRED], [
- AC_REQUIRE([CARES_CHECK_PATH_SEPARATOR])dnl
-])
-