Hey all... I know what is causing it to fail, but I'm not certain why. The what is that mock/yum is not pulling in glibc-devel for i386 into the mock chroot. So it is causing the multi-lib stuff to fail. In my root.log I can see glibc-devel for x86_64 was installed in the chroot. But why is it not pulling glibc-devel.i386 into the chroot? I'm using mock-0.9.7-1.el5 from EPEL.. mock config file and relevent build.log portion below.. Thanks in advance... Paul... ---------------------- /etc/mock/centos-5-x86_64.cfg: #!/usr/bin/python -tt import os config_opts['root'] = 'centos-5-x86_64' config_opts['target_arch'] = 'x86_64' config_opts['dist'] = 'centos5' # only useful for --resultdir variable subst # ccache not available on epel5 config_opts['plugin_conf']['ccache_enable'] = False config_opts['yum.conf'] = """ [main] cachedir=/var/cache/yum debuglevel=1 reposdir=/dev/null logfile=/var/log/yum.log retries=20 obsoletes=1 gpgcheck=0 assumeyes=1 exclude=[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefhijklmnopqrstuvwxyz]*.i*86 g[abcdefghijkmnopqrstuvwxyz]*.i?86 glib2.i?86 glib.i?86 *-devel.i?86 # repos [os] name=os mirrorlist=http://mirrorlist.centos.org/?release=5&arch=x86_64&repo=os #baseurl=http://mirror.centos.org/centos/5/os/x86_64/ [updates] name=updates mirrorlist=http://mirrorlist.centos.org/?release=5&arch=x86_64&repo=updates #baseurl=http://mirror.centos.org/centos/5/updates/x86_64/ [groups] name=groups baseurl=http://dev.centos.org/centos/buildsys/5/ """ config_opts['macros']['centos_ver'] = '5' -------------------- mock command output: [pauls at smith gcc]$ mock -r centos-5-x86_64 --rebuild /net/tomcat/vol/vol1/builds/mirror/centos/5.2/os/SRPMS/gcc-4.1.2-42.el5.src.rpm INFO: mock.py version 0.9.7 starting... State Changed: init plugins State Changed: start INFO: Start(/net/tomcat/vol/vol1/builds/mirror/centos/5.2/os/SRPMS/gcc-4.1.2-42.el5.src.rpm) Config(centos-5-x86_64) State Changed: lock buildroot State Changed: clean State Changed: init State Changed: lock buildroot INFO: enabled root cache INFO: enabled yum cache State Changed: cleaning yum metadata State Changed: running yum State Changed: creating cache State Changed: setup State Changed: build ERROR: Exception(/net/tomcat/vol/vol1/builds/mirror/centos/5.2/os/SRPMS/gcc-4.1.2-42.el5.src.rpm) Config(centos-5-x86_64) 15 minutes 33 seconds INFO: Results and/or logs in: /var/lib/mock//centos-5-x86_64/result ERROR: Command failed. See logs for output. # ['bash', '--login', '-c', 'rpmbuild -bb --target x86_64 --nodeps builddir/build/SPECS/gcc41.spec'] ----------------------------- relevant parts from /var/lib/mock//centos-5-x86_64/result/build.log: make[4]: *** [32/crtend.o] Error 1 make[4]: *** Waiting for unfinished jobs.... In file included from /usr/include/features.h:352, from /usr/include/stdio.h:28, from ../../gcc/tsystem.h:90, from ../../gcc/crtstuff.c:68: /usr/include/gnu/stubs.h:7:27: error: gnu/stubs-32.h: No such file or directory make[4]: *** [32/crtbegin.o] Error 1 make[4]: *** [32/crtendS.o] Error 1 In file included from /usr/include/features.h:352 , from /usr/include/stdio.h:28 , from ../../gcc/tsystem.h:90 , from ../../gcc/crtstuff.c:68 : /usr/include/gnu/stubs.h:7:27: error: gnu/stubs-32.h: No such file or directory make[4]: *** [32/crtbeginS.o] Error 1 make[4]: Leaving directory `/builddir/build/BUILD/gcc-4.1.2-20080102/obj-x86_64-redhat-linux/gcc' make[3]: *** [extra32] Error 2 make[3]: Leaving directory `/builddir/build/BUILD/gcc-4.1.2-20080102/obj-x86_64-redhat-linux/gcc' make[2]: *** [stmp-multilib] Error 2