WITHOUT_CLANG_IS_CC: There and back again

Daniel Eischen deischen at freebsd.org
Fri Feb 22 23:55:36 UTC 2013

On Fri, 22 Feb 2013, Dimitry Andric wrote:

> On 2013-02-22 22:30, Daniel Eischen wrote:
>> In trying to debug an unrelated problem, I switched CC from Clang
>> back to GCC.  I had a -current kernel and world r247050 built and
>> installed with Clang as the system compiler  I have nothing special
>> in /etc/make.conf:
>>     BATCH=yes
>>     WITH_NEW_XORG=true
>>     WITH_KMS=true
>>     WITH_PKGNG=yes
>>     PERL_VERSION=5.14.2
>> I added WITHOUT_CLANG_IS_CC=yes to this, then rebuilt kernel and
>> world.  I installed the kernel rebooted, everthing worked, so I
>> then installed world.  Installword stopped here:
>>     ===> libexec/rtld-elf (install)
>>     chflags -h noschg /usr/libexec/ld-elf.so.1
>>     install -s -o root -g wheel -m 555  -C -b -fschg -S ld-elf.so.1 
>> /libexec
>>     install -o root -g wheel -m 444 rtld.1.gz  /usr/share/man/man1
>>     *** [_maninstall] Signal 11
>>     Stop in /opt/FreeBSD/current/src/libexec/rtld-elf.
>>     *** [realinstall] Error code 1
>> At that point my system was completely hosed.  Every binary (/bin,
>> /sbin, etc) would sig 11.  I had to build a world on another
>> system, then use /rescue to NFS mount the other system and
>> copy over /libexec, /lib, and /usr/lib.  This let me recover
>> enough to svn up to r247164. remove WITHOUT_CLANG_IS_CC from
>> /etc/make.conf, and build/install a working world.
>> Is switching from Clang to GCC suppose to work?
> This might have had nothing to do with either clang or gcc.  Between
> r247012 and r247117, binutils was broken, and this apparently resulted
> in various nasty problems.
> Maybe you can try it again, since you are now at r247164?

Ahh, okay, thanks to you (& to Steve).  I guess my timing was
just off.  I'll try it again.


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