On Mon, Jul 06, 2015 at 06:44:45PM +0900, ishikawa wrote: > Hi, > > Is building mozilla code such as firefox and thunderbird under 32-bit linux > a supported operation? > > During compilation of C-C TB under 32-bit linux, > I think I found a serious issue regarding the mismatch of the size > of literal constant and the size of variables (or structured member) > which renders some run-time check ineffective and thus run-time > error conditions are not handled correctly. > > Usually, I have to ignore the signed/unsigned comparison, etc. during build > since there are just too many, but this time > the particular warning about the size mismatch against a member > field/variable (|st_size|) of a structure passed to |fstat| caught my eye, > and I noticed the possible seriousness of the issue if my understanding is > correct. > > > The system is Debian GNU/linux 32-bit: > uname -a > Linux debian-vbox-ci 3.2.0-4-686-pae #1 SMP Debian 3.2.68-1+deb7u1 i686 > GNU/Linux > > I understand that for official distribution, > mozilla compilation farm seems to use cross compiling from the 64-bit > linux to produce 32-bit linux version of firefox and thunderbird. > If so, then maybe for the official version, the build may happen to pick up > the right size accidentally. Frankly I don't know what is going on, > I suspect there is something incorrect in the headers regarding the behavior > that ought to change according the target/host environment. > > Eveb if the official version happens to be correct (by mistake?), still I > want the headers to be correctly written to avoid future issues. > > Also, the problem occurs in mozilla/ipc/chromium/src/third_party/libevent > directory. > Yes, I noticed "/third_party/" moniker, but the compilation warning > and the resulting failure of correct runtime check > looks serious enough to discuss the remedy in mozilla community in the > first place. If a consensus patch emerges, we can send the patch > upstream.
It's a mozilla only problem in event-config.h for linux and mac. Please file a bug. Mike _______________________________________________ dev-builds mailing list [email protected] https://lists.mozilla.org/listinfo/dev-builds
