Date: Sat, 6 Jun 2020 14:34:48 +0300 From: Yuri Pankov <yuripv@yuripv.dev> To: Gordon Bergling <gbergling@gmail.com>, Mark Murray <markm@FreeBSD.org> Cc: Ian Lepore <ian@FreeBSD.org>, freebsd-hackers@freebsd.org Subject: Re: Cross compile FreeBSD on amd64 for arm64 failes via compile determination error Message-ID: <7a48c717-e691-f5bb-af0f-4e3dbf10b7cb@yuripv.dev> In-Reply-To: <38CBC7EF-426B-45EE-9506-17B62F1F60FD@gmail.com> References: <20200605183002.GA2973@lion.0xfce3.net> <2e91deb9835aaaadd6dceec95395b81f5257f15b.camel@freebsd.org> <B9800A33-0F6C-407B-8F7A-F565945D627D@FreeBSD.org> <38CBC7EF-426B-45EE-9506-17B62F1F60FD@gmail.com>
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Gordon Bergling wrote: > Hi Mark, > >> Am 06.06.2020 um 11:56 schrieb Mark Murray <markm@FreeBSD.org>: >> >> >>> On 6 Jun 2020, at 00:25, Ian Lepore <ian@FreeBSD.org> wrote: >>> >>> You cannot do that. The installworld process uses a path that points >>> into the obj tree that got built (so that new binaries are used to do >>> the install work), and those binaries are compiled for the arch that >>> did the build. >> >> That is my experience. >> >> I used to work around a closely related problem when I built build* on >> a fast machine, and did the install* on the slow ones. As I was using >> automounts, I ended up with incompatible paths baked into the build, >> so I worked around those with symlinks. >> >> I never tried this with anything other than i386/i386 or amd64/amd64, >> so the above is interesting. Could a viable cross-build* be "fixed" by >> symlinks, and somehow and easily forcing a cross-build of the bootstrap >> tools? >> >> My RPis wish to know :-) >> >> M >> — > > In theory it should be possible to export the root filesystem of the RPIs and do a > > make installworld -DNOROOT DESTDIR=/exported/root/rpi-1 > > or something like this on the fast machine. > > But for now I have started the build on the raspberry pi directly to stress test > it a bit. :) I wonder why we need the compiler in the install* targets at all, shouldn't it be considered an error if we need to compile something while *installing*?
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