82 lines
2.9 KiB
Plaintext
82 lines
2.9 KiB
Plaintext
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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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