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Date:      Sun, 18 Jul 2004 09:39:14 +0200
From:      "Daniel Eriksson" <daniel_k_eriksson@telia.com>
To:        <freebsd-current@freebsd.org>
Subject:   World breakage: -O2 and new libthr/libc_r code
Message-ID:  <!~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAA0VcX9IoJqUaXPS8MjT1PdsKAAAAQAAAAngAsq0iTkUuG/pC0kCDfYwEAAAAA@telia.com>

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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,
                 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
/usr/src/lib/libpthread/arch/i386/include/pthread_md.h: In function
`_kcb_critical_leave':
/usr/src/lib/libpthread/arch/i386/include/pthread_md.h:177: warning:
dereferencing type-punned pointer will break strict-aliasing rules
/usr/src/lib/libpthread/arch/i386/include/pthread_md.h: In function
`_kcb_in_critical':
/usr/src/lib/libpthread/arch/i386/include/pthread_md.h:183: warning:
dereferencing type-punned pointer will break strict-aliasing rules
/usr/src/lib/libpthread/arch/i386/include/pthread_md.h: In function
`_tcb_get':
/usr/src/lib/libpthread/arch/i386/include/pthread_md.h:195: warning:
dereferencing type-punned pointer will break strict-aliasing rules
/usr/src/lib/libpthread/arch/i386/include/pthread_md.h: In function
`_kcb_critical_leave':
/usr/src/lib/libpthread/arch/i386/include/pthread_md.h:177: warning:
dereferencing type-punned pointer will break strict-aliasing rules
/usr/src/lib/libpthread/arch/i386/include/pthread_md.h: In function
`_kcb_in_critical':
/usr/src/lib/libpthread/arch/i386/include/pthread_md.h:183: warning:
dereferencing type-punned pointer will break strict-aliasing rules
/usr/src/lib/libpthread/arch/i386/include/pthread_md.h: In function
`_tcb_get':
/usr/src/lib/libpthread/arch/i386/include/pthread_md.h:195: warning:
dereferencing type-punned pointer will break strict-aliasing rules
/usr/src/lib/libpthread/arch/i386/include/pthread_md.h: In function
`_get_curthread':
/usr/src/lib/libpthread/arch/i386/include/pthread_md.h:203: warning:
dereferencing type-punned pointer will break strict-aliasing rules
/usr/src/lib/libpthread/arch/i386/include/pthread_md.h: In function
`_get_curthread':
/usr/src/lib/libpthread/arch/i386/include/pthread_md.h:203: warning:
dereferencing type-punned pointer will break strict-aliasing rules
/usr/src/lib/libpthread/arch/i386/include/pthread_md.h: In function
`_get_curkse':
/usr/src/lib/libpthread/arch/i386/include/pthread_md.h:213: warning:
dereferencing type-punned pointer will break strict-aliasing rules
/usr/src/lib/libpthread/arch/i386/include/pthread_md.h: In function
`_get_curkse':
/usr/src/lib/libpthread/arch/i386/include/pthread_md.h:213: warning:
dereferencing type-punned pointer will break strict-aliasing rules
*** Error code 1

/Daniel Eriksson




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