Date: Sun, 18 Jul 2004 17:16:34 +0800 From: David Xu <davidxu@freebsd.org> To: Daniel Eriksson <daniel_k_eriksson@telia.com> Cc: freebsd-current@freebsd.org Subject: Re: World breakage: -O2 and new libthr/libc_r code Message-ID: <40FA3FF2.6070406@freebsd.org> In-Reply-To: <!~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAA0VcX9IoJqUaXPS8MjT1PdsKAAAAQAAAAngAsq0iTkUuG/pC0kCDfYwEAAAAA@telia.com> References: <!~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAA0VcX9IoJqUaXPS8MjT1PdsKAAAAQAAAAngAsq0iTkUuG/pC0kCDfYwEAAAAA@telia.com>
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libpthread used to have the warning message when being compiled with -02, it should be fixed. David Xu Daniel Eriksson wrote: >Marcel Moolenaar's latest libthr libc_r commit seems to have broken world >for CFLAGS containing -O2. > > >===> lib/libthread_db >cc -O2 -pipe -fno-builtin -march=athlon-xp -I. -I/usr/src/lib/libthread_db >-Wsystem-headers -Werror -Wall -Wno-format-y2k -Wno-uninitialized -c /u >cc -fpic -DPIC -O2 -pipe -fno-builtin -march=athlon-xp -I. >-I/usr/src/lib/libthread_db -Wsystem-headers -Werror -Wall -Wno-format-y2k >-Wno-uniniti >cc -O2 -pipe -fno-builtin -march=athlon-xp -I. -I/usr/src/lib/libthread_db >-Wsystem-headers -Werror -Wall -Wno-format-y2k -Wno-uninitialized -c /u >cc -fpic -DPIC -O2 -pipe -fno-builtin -march=athlon-xp -I. >-I/usr/src/lib/libthread_db -Wsystem-headers -Werror -Wall -Wno-format-y2k >-Wno-uniniti >In file included from libpthread.h:3, > from /usr/src/lib/libthread_db/libpthread_db.c:41: >/usr/src/lib/libpthread/arch/i386/include/pthread_md.h: In function >`_kcb_get': >/usr/src/lib/libpthread/arch/i386/include/pthread_md.h:162: warning: >dereferencing type-punned pointer will break strict-aliasing rules >In file included from libpthread.h:3, > >
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