On Thu, 01 Dec 2011 21:19:14 +0100 Kevin Kofler <kevin.kofler@xxxxxxxxx> wrote: > Paul Howarth wrote: > > This is weird: I can't reproduce these either locally in mock or in > > koji: > > > > http://koji.fedoraproject.org/koji/taskinfo?taskID=3555838 > > -Wstrict-aliasing only works if -fstrict-aliasing is enabled, so if > you're using -fno-strict-aliasing (or an optimization level below -O2 > – -fstrict-aliasing is only enabled by default at -O2, -O3 or -Os), > you won't get the warnings. > > -fno-strict-aliasing is a workaround for production builds, but it > also sweeps the warnings under the carpet. Understood... but I'm using -O2 and not -fno-strict-aliasing: gcc -Wall -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -Wextra -Wstrict-aliasing -Wnested-externs -Wstrict-prototypes -c -o pptp_gre.o pptp_gre.c Paul. -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
