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zz40-xc-ovr.m4: fix variable assignment of subshell output bashism

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Tor Arntsen analyzed and reported the issue.

URL: http://curl.haxx.se/mail/lib-2013-01/0306.html
This commit is contained in:
Yang Tse 2013-01-25 14:15:08 +01:00
parent c0e8e94ca2
commit a76ea8b79a
1 changed files with 5 additions and 5 deletions
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10
m4/zz40-xc-ovr.m4
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@ -151,7 +151,7 @@ AC_REQUIRE([_XC_CFG_PRE_BASIC_CHK_VAR_PATH])dnl
#
xc_tst_str='unknown'
xc_tst_str=(`expr "$xc_tst_str" : '.*' 2>/dev/null`)
xc_tst_str=`expr "$xc_tst_str" : '.*' 2>/dev/null`
case "x$xc_tst_str" in @%:@((
x7)
:
@ -187,8 +187,8 @@ AC_REQUIRE([_XC_CFG_PRE_BASIC_CHK_CMD_EXPR])dnl
#
xc_tst_str='unknown'
xc_tst_str=(`echo "$xc_tst_str" 2>/dev/null \
| sed -e 's:unknown:success:' 2>/dev/null`)
xc_tst_str=`echo "$xc_tst_str" 2>/dev/null \
| sed -e 's:unknown:success:' 2>/dev/null`
case "x$xc_tst_str" in @%:@((
xsuccess)
:
@ -275,7 +275,7 @@ for xc_tst_dir in $PATH; do
xc_tst_dirs_col="x$xc_tst_dirs_col"
done
IFS=$xc_tst_prev_IFS
xc_tst_dirs_col=(`expr "$xc_tst_dirs_col" : '.*'`)
xc_tst_dirs_col=`expr "$xc_tst_dirs_col" : '.*'`
# Directory count in 'PATH' when using a semicolon separator.
xc_tst_dirs_sem='x'
@ -285,7 +285,7 @@ for xc_tst_dir in $PATH; do
xc_tst_dirs_sem="x$xc_tst_dirs_sem"
done
IFS=$xc_tst_prev_IFS
xc_tst_dirs_sem=(`expr "$xc_tst_dirs_sem" : '.*'`)
xc_tst_dirs_sem=`expr "$xc_tst_dirs_sem" : '.*'`
if test $xc_tst_dirs_sem -eq $xc_tst_dirs_col; then
# When both counting methods give the same result we do not want to