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$OpenBSD: README,v 1.3 2017/11/05 10:29:24 rpe Exp $
Notes about the syspatch(8) build process
=========================================
The syspatch(8) build system will eventually be properly documented in its own
man(1) page but until things settle and the framework is robust, this file will
be used as a quick reminder.
Requirements for the build machine
----------------------------------
- ${FAKEROOT} must be a local mount point with the no perm mount option set and
be owned by ${BUILDUSER} with a mode of 0700. It should be big enough to
contain one full release per syspatch (~30G).
- ${SRCDIR} and ${XSRCDIR} must be checked out using the OPENBSD_X_X_BASE
release tag.
- Timezone must be set to "Canada/Mountain".
Requirements for the fakeroot
-----------------------------
Before building the first syspatch, the same release used on the build machine
must be extracted under a subdirectory of ${FAKEROOT} to allow clean comparison
and find differing files between patched releases.
e.g.
FAKEROOT=/fakeroot
FAKE=${FAKEROOT}/syspatch/61-000_release
RELEASEDIR=/path/to/sets
mkdir -p ${FAKE}
install -m 0700 ${RELEASEDIR}/bsd{,.mp} ${FAKE}
for set in base comp game man xbase xshare xfont xserv; do
tar xzphf ${RELEASEDIR}/${set}$(uname -r | tr -d '.').tgz -C ${FAKE}
done
mkdir -m 700 -p ${FAKE}/usr/share/relink/kernel/GENERIC{,.MP}
tar -C ${FAKE}/usr/share/relink/kernel -xzf ${FAKE}/usr/share/relink/kernel.tgz
rm ${FAKE}/usr/share/relink/kernel.tgz
Building a syspatch
-------------------
When building a xenocara syspatch, make sure to set XSRCDIR to the directory
where the xenocara checkout was made.
# export XSRCDIR=/usr/xenocara
Everything is done as root under ${BSDSRCDIR}/distrib/syspatch/.
Before building the first syspatch, the obj directory must be created.
# FAKEROOT=/fakeroot make -f Makefile.000 obj
Each syspatch requires its own Makefile numbered after the patch level.
# cp Makefile.000 Makefile.001
# ${EDITOR} Makefile.001
-> set the ERRATA name and BUILD type
The patched release can now be built.
# FAKEROOT=/fakeroot make -f Makefile.001 001_dummy/.plist
# ${EDITOR} obj/001_dummy/.plist
-> edit the plist to make sure it only contains files we want to end up in
the syspatch(8) tarball
At last, a syspatch(8) can be created.
# FAKEROOT=/fakeroot make -f Makefile.001 syspatch
Patches are incremental and must be built in order. In case an errata does not
apply to the current architecture and to prevent a gap in the numbering, the
"previous" fakeroot must be created manually by copying the previous one.
e.g.
# cp -Rp /fakeroot/syspatch/61-010_perl /fakeroot/syspatch/61-011_sti
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