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Diffstat (limited to 'm4/curl-system.m4')
| -rw-r--r-- | m4/curl-system.m4 | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/m4/curl-system.m4 b/m4/curl-system.m4 new file mode 100644 index 000000000..57d4cccb6 --- /dev/null +++ b/m4/curl-system.m4 @@ -0,0 +1,81 @@ +#*************************************************************************** +# _ _ ____ _ +# Project ___| | | | _ \| | +# / __| | | | |_) | | +# | (__| |_| | _ <| |___ +# \___|\___/|_| \_\_____| +# +# Copyright (C) 1998 - 2008, 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 1 + + +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 $tst_dirs_col; then + tst_auto_separator=';' + PATH_SEPARATOR=';' + else + tst_auto_separator=':' + PATH_SEPARATOR=':' + fi + if test -z "$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]) +]) + |