In message: <20100109173314.v50...@maildrop.int.zabbadoz.net>
"Bjoern A. Zeeb" <b...@freebsd.org> writes:
: On Sat, 9 Jan 2010, M. Warner Losh wrote:
:
: > In message: <20100110.001429.173527971.n...@freebsd.org>
: > TAKAHASHI Yoshihiro <n...@freebsd.org> writes:
: > : In article <201001081901.o08j1pjc062...@svn.freebsd.org>
: > : "Bjoern A. Zeeb" <b...@freebsd.org> writes:
: > :
: > : > To avoid hardcoding further kernel configuration names for
: > : > make universe, split the logic into two parts:
: > : > - 1st to build worlds and generate kernel configs like LINT.
: > : > - 2nd to build kernels for a given TARGET architecture correctly
: > : > finding all newly generated configs, not knowing anything about
: > : > LINT anymore. (*)
: > :
: > : > +universe_kernels: universe_kernconfs
: > : > +BUILD_ARCH!= uname -p
: > :
: > : Should this be "uname -m"?
: > :
: > :
: > : > +TARGET?= ${BUILD_ARCH}
: > : > +KERNCONFS!= cd ${.CURDIR}/sys/${TARGET}/conf && \
: > : > + find [A-Z0-9]*[A-Z0-9] -type f -maxdepth 0 \
: > : > + ! -name DEFAULTS ! -name NOTES
: >
: > Yes. Also, the name BUILD_ARCH is misleading, since it corresponds to
: > MACHINE, not to MACHINE_ARCH. it is clear that it is used in the
: > MACHINE context, not the MACHINE_ARCH context.
: >
: > These two are often confused, but many of the embedded platforms have
: > added to the confusion and it is unclear where the sharp dividing line
: > should be here anymore. It used to be separate boot environment, but
: > even that has gotten fuzzy for architectures like mips and arm that
: > boot with a huge variety of boot loaders...
:
: I guess the intial problem I had it from was introduced in r54311 to
: Makefile.inc1, which nowadays reads like:
:
: BUILD_ARCH!= uname -p
:
:
: So, the suggested correction would be:
:
: MACHINE!= uname -m
:
: I wonder if I should use XMACHINE but that usually means
: "cross"(building). I could use _MACHINE!= to not confuse it with
: MACHINE from Makefile.inc1?
XMACHINE might be best. MACHINE and MACHINE_ARCH are really magic and
special and shouldn't ever be set (well, almost never).
Warner
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