Commit a76ea8b7 authored by Yang Tse's avatar Yang Tse
Browse files

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

Tor Arntsen analyzed and reported the issue.

URL: http://curl.haxx.se/mail/lib-2013-01/0306.html
parent c0e8e94c

m4/zz40-xc-ovr.m4

+5 −5
Original line number Diff line number Diff line
@@ -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