Ignacio Vazquez-Abrams wrote:
On Tue, 2008-04-08 at 10:49 -0600, Joseph L. Casale wrote:I want to build the 64bit version of Xen 3.2, they only show one srpm available. I assume if its compiled on a x86_64 version of CentOS 5.1 it will be a 64bit rpm when its done?Yes.I am aware its not good to build as root but out of curiosity, if I used a vm that I would later destroy, is the only caveat to building as root potential damage to the build system, or can the actual rpm be built incorrectly?Both. Consider using mock.
Ignacio's suggestion to use mock, especially on x86_64 is a good one.You will have an endless source of problems trying to build x86_64 RPMS on a normally installed tree if there are any i386 packages on there except for:
glibc.i686 and glibc-devel.i386AND ... if you have not installed from a x86_64 ONLY tree, then you do have i386 packages on your x86_64 machine.
If, however, you configure mock properly (and EPEL should have some good config files for centos too I think) then you will get good clean buildroots for your x86_64 packages.
Trying to build packages with i[3,4,5,6]86 stuff polluting your buildroots can cause you to link to the wrong libraries or cause you to not be able to build things with ld errors. Building on multilib arches is not the easiest thing to do.
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