provide a common PATH_SEPARATOR check method which is required by
upcomming work to support the broadest range of Autoconf versions
This commit is contained in:
Yang Tse
Родитель
9aac2328c6
Коммит
4e4b6de5ce
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@ -14,6 +14,8 @@ CARES_CHECK_OPTION_DEBUG
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CARES_CHECK_OPTION_OPTIMIZE
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CARES_CHECK_OPTION_WARNINGS
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CARES_CHECK_PATH_SEPARATOR
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dnl SED is mandatory for configure process and libtool.
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dnl Set it now, allowing it to be changed later.
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AC_PATH_PROG([SED], [sed], [not_found],
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@ -3,7 +3,7 @@
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#***************************************************************************
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# File version for 'aclocal' use. Keep it a single number.
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# serial 1
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# serial 2
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dnl CARES_OVERRIDE_AUTOCONF
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dnl -------------------------------------------------
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@ -39,7 +39,8 @@ m4_define([AC_LANG_PROGRAM(C)],
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int main (void)
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{
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$2
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; return 0;
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;
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return 0;
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}])
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dnl Override Autoconf's AC_LANG_CALL (C)
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@ -84,4 +85,19 @@ choke me
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#endif
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], [return $1 ();])])
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dnl Override Autoconf's PATH_SEPARATOR check
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dnl -------------------------------------------------
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dnl This is done to ensure that the same check is
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dnl used across different Autoconf versions and to
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dnl allow us to use this macro early enough in the
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dnl configure script.
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m4_define([_AS_PATH_SEPARATOR_PREPARE],
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[CARES_CHECK_PATH_SEPARATOR
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m4_define([$0],[])])
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m4_define([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR],
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[CARES_CHECK_PATH_SEPARATOR
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m4_define([$0],[])])
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@ -0,0 +1,76 @@
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#***************************************************************************
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# $Id$
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#
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# Copyright (C) 2008 by Daniel Stenberg et al
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#
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# Permission to use, copy, modify, and distribute this software and its
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# documentation for any purpose and without fee is hereby granted, provided
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# that the above copyright notice appear in all copies and that both that
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# copyright notice and this permission notice appear in supporting
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# documentation, and that the name of M.I.T. not be used in advertising or
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# publicity pertaining to distribution of the software without specific,
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# written prior permission. M.I.T. makes no representations about the
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# suitability of this software for any purpose. It is provided "as is"
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# without express or implied warranty.
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#
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#***************************************************************************
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# File version for 'aclocal' use. Keep it a single number.
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# serial 1
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dnl CARES_CHECK_PATH_SEPARATOR
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dnl -------------------------------------------------
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dnl Check and compute the path separator for us. This
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dnl path separator is the symbol used to diferentiate
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dnl or separate paths inside the PATH environment var.
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AC_DEFUN([CARES_CHECK_PATH_SEPARATOR], [
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if test -z "$cares_cv_PATH_SEPARATOR"; then
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if test -z "$PATH"; then
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AC_MSG_ERROR([PATH not set. Cannot continue without PATH being set.])
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fi
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dnl Directory count in PATH when using a colon separator.
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tst_dirs_col=0
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tst_save_IFS=$IFS; IFS=':'
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for tst_dir in $PATH; do
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IFS=$tst_save_IFS
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test -d "$tst_dir" && tst_dirs_col=`expr $tst_dirs_col + 1`
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done
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IFS=$tst_save_IFS
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dnl Directory count in PATH when using a semicolon separator.
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tst_dirs_sem=0
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tst_save_IFS=$IFS; IFS=';'
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for tst_dir in $PATH; do
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IFS=$tst_save_IFS
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test -d "$tst_dir" && tst_dirs_sem=`expr $tst_dirs_sem + 1`
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done
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IFS=$tst_save_IFS
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if test $tst_dirs_sem -eq $tst_dirs_col; then
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dnl When both counting methods give the same result we do not want to
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dnl chose one over the other, and consider auto-detection not possible.
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if test -z "$PATH_SEPARATOR"; then
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dnl Stop dead until user provides PATH_SEPARATOR definition.
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AC_MSG_ERROR([PATH_SEPARATOR not set. Cannot continue without it.])
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fi
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else
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dnl Separator with the greater directory count is the auto-detected one.
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if test $tst_dirs_sem -gt $tst_dirs_col; then
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tst_auto_separator=';'
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PATH_SEPARATOR=';'
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else
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tst_auto_separator=':'
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PATH_SEPARATOR=':'
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fi
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if test -z "$PATH_SEPARATOR"; then
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dnl Simply use the auto-detected one when not already set.
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PATH_SEPARATOR="$tst_auto_separator"
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fi
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fi
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cares_cv_PATH_SEPARATOR="$PATH_SEPARATOR"
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fi
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AC_SUBST([PATH_SEPARATOR])
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AC_SUBST([PATH])
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])
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@ -42,6 +42,8 @@ CURL_CHECK_OPTION_DEBUG
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CURL_CHECK_OPTION_OPTIMIZE
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CURL_CHECK_OPTION_WARNINGS
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CURL_CHECK_PATH_SEPARATOR
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dnl SED is mandatory for configure process and libtool.
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dnl Set it now, allowing it to be changed later.
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AC_PATH_PROG([SED], [sed], [not_found],
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@ -3,7 +3,7 @@
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#***************************************************************************
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# File version for 'aclocal' use. Keep it a single number.
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# serial 1
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# serial 2
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dnl CURL_OVERRIDE_AUTOCONF
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dnl -------------------------------------------------
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@ -39,7 +39,8 @@ m4_define([AC_LANG_PROGRAM(C)],
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int main (void)
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{
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$2
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; return 0;
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;
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return 0;
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}])
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dnl Override Autoconf's AC_LANG_CALL (C)
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@ -84,4 +85,19 @@ choke me
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#endif
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], [return $1 ();])])
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dnl Override Autoconf's PATH_SEPARATOR check
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dnl -------------------------------------------------
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dnl This is done to ensure that the same check is
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dnl used across different Autoconf versions and to
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dnl allow us to use this macro early enough in the
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dnl configure script.
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m4_define([_AS_PATH_SEPARATOR_PREPARE],
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[CURL_CHECK_PATH_SEPARATOR
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m4_define([$0],[])])
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m4_define([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR],
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[CURL_CHECK_PATH_SEPARATOR
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m4_define([$0],[])])
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@ -0,0 +1,81 @@
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#***************************************************************************
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# _ _ ____ _
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# Project ___| | | | _ \| |
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# / __| | | | |_) | |
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# | (__| |_| | _ <| |___
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# \___|\___/|_| \_\_____|
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#
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# Copyright (C) 1998 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.
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#
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# This software is licensed as described in the file COPYING, which
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# you should have received as part of this distribution. The terms
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# are also available at http://curl.haxx.se/docs/copyright.html.
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#
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# You may opt to use, copy, modify, merge, publish, distribute and/or sell
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# copies of the Software, and permit persons to whom the Software is
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# furnished to do so, under the terms of the COPYING file.
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#
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# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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# KIND, either express or implied.
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#
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# $Id$
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#***************************************************************************
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# File version for 'aclocal' use. Keep it a single number.
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# serial 1
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dnl CURL_CHECK_PATH_SEPARATOR
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dnl -------------------------------------------------
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dnl Check and compute the path separator for us. This
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dnl path separator is the symbol used to diferentiate
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dnl or separate paths inside the PATH environment var.
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AC_DEFUN([CURL_CHECK_PATH_SEPARATOR], [
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if test -z "$curl_cv_PATH_SEPARATOR"; then
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if test -z "$PATH"; then
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AC_MSG_ERROR([PATH not set. Cannot continue without PATH being set.])
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fi
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dnl Directory count in PATH when using a colon separator.
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tst_dirs_col=0
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tst_save_IFS=$IFS; IFS=':'
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for tst_dir in $PATH; do
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IFS=$tst_save_IFS
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test -d "$tst_dir" && tst_dirs_col=`expr $tst_dirs_col + 1`
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done
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IFS=$tst_save_IFS
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dnl Directory count in PATH when using a semicolon separator.
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tst_dirs_sem=0
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tst_save_IFS=$IFS; IFS=';'
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for tst_dir in $PATH; do
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IFS=$tst_save_IFS
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test -d "$tst_dir" && tst_dirs_sem=`expr $tst_dirs_sem + 1`
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done
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IFS=$tst_save_IFS
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if test $tst_dirs_sem -eq $tst_dirs_col; then
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dnl When both counting methods give the same result we do not want to
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dnl chose one over the other, and consider auto-detection not possible.
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if test -z "$PATH_SEPARATOR"; then
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dnl Stop dead until user provides PATH_SEPARATOR definition.
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AC_MSG_ERROR([PATH_SEPARATOR not set. Cannot continue without it.])
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fi
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else
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dnl Separator with the greater directory count is the auto-detected one.
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if test $tst_dirs_sem -gt $tst_dirs_col; then
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tst_auto_separator=';'
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PATH_SEPARATOR=';'
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else
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tst_auto_separator=':'
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PATH_SEPARATOR=':'
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fi
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if test -z "$PATH_SEPARATOR"; then
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dnl Simply use the auto-detected one when not already set.
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PATH_SEPARATOR="$tst_auto_separator"
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fi
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fi
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curl_cv_PATH_SEPARATOR="$PATH_SEPARATOR"
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fi
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AC_SUBST([PATH_SEPARATOR])
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AC_SUBST([PATH])
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])
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