Date: Wed, 8 Apr 2026 20:31:50 -0700 From: Bakul Shah <bakul@iitbombay.org> To: Warner Losh <imp@bsdimp.com> Cc: FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Re: What is the recommended setup for crossbuilding kernel+world? Message-ID: <9BF3C88D-F1EF-471C-BA80-5C2C2018125B@iitbombay.org> In-Reply-To: <CANCZdfquSh6c%2BkEC-=qnceydgG5Jy0eLzFyFVi4kSY0f5KpVgw@mail.gmail.com> References: <84F07872-FCAD-4410-ACE3-2F58E602E1D1@iitbombay.org> <CANCZdfquSh6c%2BkEC-=qnceydgG5Jy0eLzFyFVi4kSY0f5KpVgw@mail.gmail.com>
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On Apr 8, 2026, at 4:08 PM, Warner Losh <imp@bsdimp.com> wrote: > > > > On Wed, Apr 8, 2026, 5:00 PM Bakul Shah <bakul@iitbombay.org> wrote: > Recently crossbuilding -current arm64 world on an 15-stable > amd64 machine took out host's /lib/libsys.so.7 which broke > most everything! I tried rebuilding after removing its > /usr/obj/.../current/arm64.aarch64/ tree and that replaced > many .o files in /usr/lib! Rather than fixup my old setup, > I'd like to know what is recommended. > > Is it possible to build as a normal user (so that build can't > mistakenly blow away host's system files)? > > I do this all the time. I set MAKEOBJDIRPREFIX to ~/obj. Thanks! I should've realized this! [Though this doesn't explain why files in /lib /usr/lib were overwritten.] I just did a chmod -R /usr/obj (& will probably create a separate user just for builds).home | help
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