On Tue, 2012-08-14 at 17:08 +0300, Tanu Kaskinen wrote: > On ARM, pa_object has less strict alignment requirements > than e.g. pa_sink and pa_source, so when pa_object is cast > to pa_sink, the compiler thinks that it's unsafe. In this > case, however, the pointer given to pa_sink_ref() was a > pa_sink pointer to begin with, so casting it first to > pa_object and then back to pa_sink is entirely safe. > > This particular source of warnings is extremely annoying, > because this message is printed for any compilation unit > that includes sink.h, source.h or any other header that > defines a class, and the message tends to get printed > multiple times for one compilation unit: > > In file included from ./pulsecore/source-output.h:37:0, > from ./pulsecore/source.h:49, > from ./pulsecore/sink.h:40, > from ./pulsecore/core.h:50, > from daemon/daemon-conf.h:31, > from daemon/cmdline.h:25, > from daemon/cmdline.c:38: > ./pulsecore/sink-input.h: In function 'pa_sink_input_ref': > ./pulsecore/sink-input.h:245:1: warning: cast increases required alignment of target type [-Wcast-align] I got an ack for this from Arun in IRC, so I pushed this now. -- Tanu
