Document that -k is available only with libunwind

Without this users might get confused why `man strace` describes
an option that doesn't work.

* strace.1: Note that -k is available only if strace is built
with libunwind.
This commit is contained in:
Giedrius Statkevičius 2015-03-03 21:24:34 +02:00 committed by Dmitry V. Levin
parent fde8fac036
commit 6a63bfa160

View File

@ -269,6 +269,9 @@ Print the instruction pointer at the time of the system call.
.TP
.B \-k
Print the execution stack trace of the traced processes after each system call (experimental).
This option is available only if
.B strace
is built with libunwind.
.TP
.B \-q
Suppress messages about attaching, detaching etc. This happens