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@@ -64,6 +64,9 @@ case $- in
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;;
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esac
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+# disable the builtin wc because ksh may hang during the execution later of "wc pic.o"
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+builtin -d wc
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+
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#
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# this script may be overwritten while it is being executed
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# so copy it and exec from the copy
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@@ -569,7 +572,8 @@ do case $1 in
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eval _ship${_cmd_}_=
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continue
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fi
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- if test "$new" -gt "$old"
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+ # the variable "old" can be empty, to avoid "arithmetic syntax error" from ksh, set it to 0
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+ if test "$new" -gt "${old:-0}"
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then case $_suf_ in
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?*) cp ship$_cmd_$_suf_ SHIP$_cmd_$_suf_ ;;
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esac
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@@ -583,7 +587,8 @@ do case $1 in
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case $_suf_ in
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.c) test -f $f && ./$f </dev/null >/dev/null 2>&1 || old=0 ;;
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esac
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- if test "$new" -gt "$old"
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+ # the variable "old" can be empty, to avoid "arithmetic syntax error" from ksh, set it to 0
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+ if test "$new" -gt "${old:-0}"
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then case $old in
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""|0) ;;
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*) cp ship$_cmd_ SHIP$_cmd_ ;;
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@@ -612,7 +617,8 @@ do case $1 in
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esac
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case $_flg_ in
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*B*) f=$BIN/$_cmd_; eval old=$_stamp_
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- if test "$new" -gt "$old"
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+ # the variable "old" can be empty, to avoid "arithmetic syntax error" from ksh, set it to 0
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+ if test "$new" -gt "${old:-0}"
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then if test ! -d $BIN
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then mkdir $BIN
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fi
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