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#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at http://curl.haxx.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# $Id$
#***************************************************************************
# File version for 'aclocal' use. Keep it a single number.
# serial 3
dnl CURL_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([CURL_CHECK_PATH_SEPARATOR], [
if test -z "$curl_cv_PATH_SEPARATOR"; then
if test -z "$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="$tst_auto_separator"
fi
fi
curl_cv_PATH_SEPARATOR="$PATH_SEPARATOR"
fi
AC_SUBST([PATH_SEPARATOR])
AC_SUBST([PATH])
])
dnl CURL_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([CURL_CHECK_PATH_SEPARATOR_REQUIRED], [
AC_REQUIRE([CURL_CHECK_PATH_SEPARATOR])dnl
])
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