Bug 80839

Summary:	RELEASE 5.4 / libc: make buildworld fails
Product:	Base System	Reporter:	Juha-Jarmo Heinonen <o>
Component:	amd64	Assignee:	freebsd-amd64 (Nobody) <amd64>
Status:	Closed FIXED
Severity:	Affects Only Me
Priority:	Normal
Version:	Unspecified
Hardware:	Any
OS:	Any

Description Juha-Jarmo Heinonen 2005-05-10 01:00:20 UTC

===> lib/libsbuf
===> lib/libtacplus
===> lib/libutil
===> lib/libypclnt
===> lib/compat
===> lib/libalias
===> lib/libarchive
===> lib/libatm
===> lib/libbluetooth
===> lib/libbsnmp
===> lib/libbsnmp/libbsnmp
===> lib/libbsnmp/modules
===> lib/libbsnmp/modules/snmp_atm
===> lib/libbsnmp/modules/snmp_mibII
===> lib/libbsnmp/modules/snmp_netgraph
===> lib/libbz2
===> lib/libc
cc -m32 -march=athlon-xp -msse2 -mfancy-math-387 -DCOMPAT_32BIT  -I/usr/obj/usr/src/lib32/usr/include  -L/usr/obj/usr/src/lib32/usr/lib32  -B/usr/obj/usr/src/lib32/usr/lib32 -O2 -pipe -I/usr/src/lib/libc/include -I/usr/src/lib/libc/../../include -I/usr/src/lib/libc/i386 -D__DBINTERFACE_PRIVATE -I/usr/src/lib/libc/../../contrib/gdtoa -DINET6 -I/usr/obj/lib32/usr/src/lib/libc -DPOSIX_MISTAKE -I/usr/src/lib/libc/locale -DBROKEN_DES -DPORTMAP -DDES_BUILTIN -I/usr/src/lib/libc/rpc -DYP -DHESIOD -Wsystem-headers -Werror -Wall -Wno-format-y2k -Wno-uninitialized -c /usr/src/lib/libc/i386/sys/_amd64_get_fsbase.c
/usr/src/lib/libc/i386/sys/_amd64_get_fsbase.c: In function `_amd64_get_fsbase':
/usr/src/lib/libc/i386/sys/_amd64_get_fsbase.c:40: warning: dereferencing type-punned pointer will break strict-aliasing rules
*** Error code 1

Stop in /usr/src/lib/libc.
*** Error code 1

Stop in /usr/src/lib.
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.

How-To-Repeat: echo "CFLAGS= -O2 -pipe" >> /etc/make.conf
echo "COPTFLAGS= -O2 -pipe" >> /etc/make.conf
cd /usr/src
make buildworld TARGET_ARCH=amd64

Comment 1 Kris Kennaway 2005-05-10 01:10:12 UTC

On Mon, May 09, 2005 at 11:56:49PM +0000, Juha-Jarmo Heinonen wrote:

> ===> lib/libc
> cc -m32 -march=athlon-xp -msse2 -mfancy-math-387 -DCOMPAT_32BIT  -I/usr/obj/usr/src/lib32/usr/include  -L/usr/obj/usr/src/lib32/usr/lib32  -B/usr/obj/usr/src/lib32/usr/lib32 -O2 -pipe -I/usr/src/lib/libc/include -I/usr/src/lib/libc/../../include -I/usr/src/lib/libc/i386 -D__DBINTERFACE_PRIVATE -I/usr/src/lib/libc/../../contrib/gdtoa -DINET6 -I/usr/obj/lib32/usr/src/lib/libc -DPOSIX_MISTAKE -I/usr/src/lib/libc/locale -DBROKEN_DES -DPORTMAP -DDES_BUILTIN -I/usr/src/lib/libc/rpc -DYP -DHESIOD -Wsystem-heade rs -Werror -Wall -Wno-format-y2k -Wno-uninitialized -c /usr/src/lib/libc/i386/sys/_amd64_get_fsbase.c
> /usr/src/lib/libc/i386/sys/_amd64_get_fsbase.c: In function `_amd64_get_fsbase':
> /usr/src/lib/libc/i386/sys/_amd64_get_fsbase.c:40: warning: dereferencing type-punned pointer will break strict-aliasing rules
> *** Error code 1

Don't use -O2 then, or use -fno-strict-alias (which should be the
default, I thought).

Also, buildworld problems should not go in PRs because they are
usually easily solved on the mailing lists.

Kris

Comment 2 Kris Kennaway freebsd_committer

2005-05-10 01:10:20 UTC

State Changed
From-To: open->analyzed

Problem is due to user's non-default CFLAGS

Comment 3 Matteo Riondato freebsd_committer

2005-06-19 18:29:47 UTC

State Changed
From-To: analyzed->closed

Not a bug. Please use the mailing lists for this kind of bugs.