Is cross-world building broken?
Simon J. Gerraty
sjg at juniper.net
Fri Nov 30 17:47:20 UTC 2012
On Fri, 30 Nov 2012 08:15:03 -0700, Ian Lepore writes:
>So when did this break, and why can't it be fixed? I've been using
Sorry I missed the begining of this thread,
is anything broken?
>Also, how about "make DESTDIR=foo buildkernel installkernel" which is
>something I've been doing for years, you're saying that now that won't
>work because DESTDIR will be there during the build part?
It will be set - but that doesn't mean it would have any effect/impact.
Oh and contrary to what I told Adrian earlier, buildworld's manipulation
of DESTDIR would generally be unaffected, because the makefiles do not
actually attempt to set it (vs simply passing a new value to a submake).
An demo might help.
In the following
BINDIR is affected by a value set in either environment or on
commandline
LIBDIR is only affected by a value set on commandline
The DESTDIR seen by install run by child is unaffected by anything, even
though the values for LIBDIR and BINDIR are.
--------------------8<--------------------
BINDIR?= /bin
LIBDIR= /lib
all: install child
install:
@echo DESTDIR=${DESTDIR}
@echo install stuff to ${DESTDIR}${BINDIR}
@echo install stuff to ${DESTDIR}${LIBDIR}
child:
${MAKE} -f ${MAKEFILE} DESTDIR=/tmp/childest install
demo: all envset cmdset
envset:
BINDIR=/sbin LIBDIR=/usr/lib DESTDIR=$@ ${MAKE} -f ${MAKEFILE}
cmdset:
${MAKE} -f ${MAKEFILE} BINDIR=/sbin LIBDIR=/usr/lib DESTDIR=$@
--------------------8<--------------------
$ make -r -f /homes/sjg/make-tests/destdir demo
DESTDIR=
install stuff to /bin
install stuff to /lib
make -f /homes/sjg/make-tests/destdir DESTDIR=/tmp/childest install
DESTDIR=/tmp/childest
install stuff to /tmp/childest/bin
install stuff to /tmp/childest/lib
BINDIR=/sbin LIBDIR=/usr/lib DESTDIR=envset make -f
/homes/sjg/make-tests/destdir
DESTDIR=envset
install stuff to envset/sbin
install stuff to envset/lib
make -f /homes/sjg/make-tests/destdir DESTDIR=/tmp/childest install
DESTDIR=/tmp/childest
install stuff to /tmp/childest/sbin
install stuff to /tmp/childest/lib
make -f /homes/sjg/make-tests/destdir BINDIR=/sbin LIBDIR=/usr/lib
DESTDIR=cmdset
DESTDIR=cmdset
install stuff to cmdset/sbin
install stuff to cmdset/usr/lib
make -f /homes/sjg/make-tests/destdir DESTDIR=/tmp/childest install
DESTDIR=/tmp/childest
install stuff to /tmp/childest/sbin
install stuff to /tmp/childest/lib
$
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