Date: Tue, 8 Jul 2014 21:48:45 -0600 From: Warner Losh <imp@bsdimp.com> To: Baptiste Daroussin <bapt@FreeBSD.org> Cc: sbruno@FreeBSD.org, Ian Lepore <ian@FreeBSD.org>, freebsd-arch@FreeBSD.org Subject: Re: Total confusion over toolchain/xdev behavior Message-ID: <D755AEC2-E102-4FB2-8DCD-3C328064897B@bsdimp.com> In-Reply-To: <20140709000628.GA56040@ivaldir.etoilebsd.net> References: <1404688077.1059.115.camel@bruno> <1404766292.65432.43.camel@revolution.hippie.lan> <20B72004-1499-4F99-A7C7-13173C50C7C6@bsdimp.com> <20140707235237.GG97203@ivaldir.etoilebsd.net> <DB29AF3B-C761-4112-A4F6-6CF20159C2E1@bsdimp.com> <20140709000628.GA56040@ivaldir.etoilebsd.net>
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[-- Attachment #1 --] On Jul 8, 2014, at 6:06 PM, Baptiste Daroussin <bapt@FreeBSD.org> wrote: > On Mon, Jul 07, 2014 at 07:29:01PM -0600, Warner Losh wrote: >> >> On Jul 7, 2014, at 5:52 PM, Baptiste Daroussin <bapt@FreeBSD.org> wrote: >> >>> On Mon, Jul 07, 2014 at 05:27:25PM -0600, Warner Losh wrote: >>>> >>>> On Jul 7, 2014, at 2:51 PM, Ian Lepore <ian@FreeBSD.org> wrote: >>>> >>>>> On Sun, 2014-07-06 at 16:07 -0700, Sean Bruno wrote: >>>>>> Objective: install an xcompile toolchain into a jail for use by >>>>>> poudriere during arm/mips/sparc/power ports pkgs builds. The build >>>>>> should be possible from a non-root user. >>>>>> >>>>>> As far as I can tell, the xdev target is completely busted for non-clang >>>>>> arch's right now as it tries to build clang no matter what I do. Its >>>>>> missing some pretty key documentation to making it work correctly, so a >>>>>> lot of my attempts have been "guess and check" with verbose make. >>>>>> >>>>>> ----------------------------------------------------------------------- >>>>>> Attempt #1: >>>>>> I have been trying non-root xdev builds: >>>>>> MAKEOBJDIRPREFIX=/var/tmp make -s -j8 xdev XDEV=mips XDEV_ARCH=mips >>>>>> -- dies because it tries to compile CLANG. >>>>>> ----------------------------------------------------------------------- >>>>>> >>>>>> Attempt #2: >>>>>> Apply a hack from Baptiste that isn't quite right, but at least gets >>>>>> farther, note the missing variable causing "//usr/mips-freebsd" >>>>>> http://people.freebsd.org/~sbruno/src.ops.mk.diff >>>>>> >>>>>> ===> gnu/usr.bin/cc/gcov (all) >>>>>> mtree populating //usr/mips-freebsd >>>>>> mkdir: //usr/mips-freebsd: Permission denied >>>>>> *** Error code 1 >>>>>> ----------------------------------------------------------------------- >>>>>> >>>>>> Attempt #3: Add XDTP >>>>>> MAKEOBJDIRPREFIX=/var/tmp make -s xdev XDEV=mips XDEV_ARCH=mips >>>>>> XDTP=/var/tmp/mips_cc >>>>>> >>>>>> Try defining a XDTP=/var/tmp/mips_cc with the above patch applied, get's >>>>>> a bit farther but compile failure in locating critical include files. >>>>>> >>>>>> ===> gnu/lib/libstdc++ (obj,depend,all,install) >>>>>> In file included from /home/sbruno/bsd/fbsd_head/gnu/lib/libstdc >>>>>> ++/../../../contrib/libstdc++/src/bitmap_allocator.cc:30: >>>>>> /home/sbruno/bsd/fbsd_head/gnu/lib/libstdc++/../../../contrib/libstdc >>>>>> ++/include/ext/bitmap_allocator.h:37:54: error: cstddef: No such file or >>>>>> directory >>>>>> ----------------------------------------------------------------------- >>>>>> >>>>>> Attempt #4: Add the additional XDDESTDIR >>>>>> MAKEOBJDIRPREFIX=/var/tmp make -s xdev XDEV=mips XDEV_ARCH=mips >>>>>> XDTP=/var/tmp/mips_cc XDESTDIR=/var/tmp/mips_dst >>>>>> -- Same results as attempt #3 >>>>>> ----------------------------------------------------------------------- >>>>>> >>>>>> Even attempting to do stuff for *clang* enabled architectures bails >>>>>> because its not respecting prefixes: >>>>>> MAKEOBJDIRPREFIX=/var/tmp make -s -j 8 xdev XDEV=arm XDEV_ARCH=armv6 >>>>>> -- bails because it tries to: >>>>>> ===> usr.bin/clang/tblgen (all) >>>>>> mtree populating //usr/armv6-freebsd >>>>>> mtree: etc/ntp: Permission denied >>>>>> _xi-cross-tools >>>>>> ===> xdev gnu/usr.bin/binutils (install) >>>>>> ===> gnu/usr.bin/binutils/libiberty (install) >>>>>> ===> gnu/usr.bin/binutils/libbfd (install) >>>>>> ===> gnu/usr.bin/binutils/libopcodes (install) >>>>>> ===> gnu/usr.bin/binutils/libbinutils (install) >>>>>> ===> gnu/usr.bin/binutils/addr2line (install) >>>>>> ===> gnu/usr.bin/binutils/as (install) >>>>>> ===> gnu/usr.bin/binutils/ld (install) >>>>>> install: //usr/armv6-freebsd/usr/bin/ld: Permission denied >>>>>> *** Error code 71 >>>>>> >>>>>> ----------------------------------------------------------------------- >>>>>> Adding XDTP and XDDESTDIR results in a little more progress but obvious >>>>>> failures to attempt and install things directly into my host system: >>>>>> >>>>>> MAKEOBJDIRPREFIX=/var/tmp make -s xdev XDEV=arm XDEV_ARCH=armv6 >>>>>> XDDESTDIR=/var/tmp/arm_cc XDTP=/var/tmp/armv6_cc >>>>>> ===> secure/lib/libssh (install) >>>>>> ===> usr.bin/lex/lib (obj,depend,all,install) >>>>>> mkdir: ../../../../usr: Permission denied >>>>>> *** Error code 1 >>>>>> >>>>>> Stop. >>>>>> make[1]: stopped in /home/sbruno/bsd/fbsd_head >>>>>> *** Error code 1 >>>>>> >>>>>> Stop. >>>>>> make: stopped in /home/sbruno/bsd/fbsd_head >>>>> >>>>> It looks to me like the permission part of the problem is being caused >>>>> by a lack of DESTDIR=. Without that, it's trying to install to /usr and >>>>> you don't have permission for that. Maybe the confusion is because the >>>>> xdev target inherently builds-and-installs, unlike most other targets >>>>> that separate those two actions. >>>> >>>> OK. After some detective work, it looks like libstdc++ needs to be done before libsupc++ is done. I’ve added this dependency in r268377 and was able to do a full xdev build with a clean obj dir: >>>> >>>> rm -rf $HOME/F $MAKEOBJDIRPREFIX/mips-freebsd >>>> mkdir $HOME/F >>>> make xdev DESTDIR=$HOME/F XDEV=mips XDEV_ARCH=mips WITHOUT_CLANG=t WITHOUT_CLANG_BOOTSTRAP=t WITH_GCC=t WITH_GCC_BOOTSTRAP=t WITH_GNUCXX=t -j 20 >>> >>> We can avoid most of the above by using a patch like the following: >>> http://people.freebsd.org/~bapt/Makefile.inc1.diff >>> Extending the same thing xi-cross-tools and xb-cross-tools (expect the >>> WITH_GNUCXX=t because it it not set in src.opts.mk when it imho should.) >> >> The patch looks good to my eye. Did you want me to expand it, or do you want to >> do the honors? >> >> About the rest… Yea, you may be right…. MK_GNUCXX is an odd duck, and that’s >> likely the problem that should be fixed in a different way. It is really an internal >> variable that should be set based on the actual compiler type (possibly with an >> override for the odd-duck pair of clang and libstdc++ which may not be worth >> supporting). It is telling us we’re doing something horribly wrong and we should listen >> to that rather than add another compiler-related kludge to the build system. I’ll work >> on that bit. >> >> Also an aside: The horribly long command line was to try to get to the bottom of >> the breakage, not to promote it as the proper way of doing things. > > I haven't committed because it isn't complete yet :) > I have updated it to the following: > http://people.freebsd.org/~bapt/Makefile.inc1.diff > but it is not enough as I end up with: > > /tmp/tmips//usr/mips64-freebsd/usr/bin/ld: cannot find -lsupc++ > > So it goes further but it is not yet enough I actually think xdev and a couple others should move to Makefile, and the sub targets stay in Makefile.inc and be invoked with the right TARGET and TARGET_ARCH so that we get the right defaults. 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