I'm encountering the same problem building on an old RedHat 5.0 system, using gcc 4.1.2. Was there any fix committed to add -fno-strict-aliasing for some configurations? (there doesn't appear to be)
Gilbert On Tue, Jun 18, 2013 at 6:09 PM, Evan Huus <[email protected]> wrote: > Probably the simplest fix is to add -fno-strict-aliasing to the build > flags on FreeBSD. > > On 2013-06-18, at 4:14 PM, Stephen Fisher < > [email protected]> wrote: > > > When trying to compile Wireshark (SVN trunk) on FreeBSD for the first > time in a long time, I ran across a familiar error: > > > > dfilter-macro.c: In function 'dfilter_macro_init': > > dfilter-macro.c:614: warning: dereferencing type-punned pointer will > break strict-aliasing rules > > > > However, line 614 has a history of being changed between this: > > > > (void*) ¯os, > > > > and this (as it currently is): > > > > (void**) ¯os, > > > > Which is the fifth parameter in a call to uat_new() where parameter > five's type is "void** data_ptr" and macros is type dfilter_macro_t*. > > > > This was most recently changed with SVN revision 48355 that Anders > committed in response to bug 8416 ("remove C++ incompatibilities") > according to the SVN log. Before that, judging by the "svn annotate" > output in Emacs of a few lines earlier, I changed it from (void**) to > (void*) way back in 2007 as SVN revision 21330 to "Fix warnings on > Linux/gcc 4.1.1" and it may have changed at other times as well. > > > > What should the fix ultimately be if one way breaks FreeBSD/gcc 4.2.1 > compiles and if it introduces C++ compatibility issues (which I'm not > familiar with since I haven't been following development for a while > lately). > > > ___________________________________________________________________________ > > Sent via: Wireshark-dev mailing list <[email protected]> > > Archives: http://www.wireshark.org/lists/wireshark-dev > > Unsubscribe: https://wireshark.org/mailman/options/wireshark-dev > > mailto:[email protected] > ?subject=unsubscribe > ___________________________________________________________________________ > Sent via: Wireshark-dev mailing list <[email protected]> > Archives: http://www.wireshark.org/lists/wireshark-dev > Unsubscribe: https://wireshark.org/mailman/options/wireshark-dev > mailto:[email protected] > ?subject=unsubscribe >
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