toolchain/38487: [dM] install breaks on RO build tree

To: toolchain-manager%netbsd.org@localhost,gnats-admin%netbsd.org@localhost,netbsd-bugs%netbsd.org@localhost
Subject: toolchain/38487: [dM] install breaks on RO build tree
From: mouse%netbsd.org@localhost
Date: Wed, 23 Apr 2008 08:20:00 +0000 (UTC)
>Number:         38487
>Category:       toolchain
>Synopsis:       build.sh install breaks if -D and -O dirs are RO
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    toolchain-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Apr 23 08:20:00 +0000 2008
>Originator:     der Mouse
>Release:        NetBSD 4.0
>Organization:
        Dis-
>Environment:
System: NetBSD/i386 3.0 
Architecture: i386
Machine: i386
>Description:
        On a 3.0 i386 machine, I did a build of the 4.0 world using
        build.sh's build operation (with -U).  This worked fine.
        Later, I had the machine up single-user, with the filesystem
        containing the source, objdir, and destdir trees mounted
        read-only, and I tried to install the resulting 4.0 onto a
        secondary disk with build.sh's install operation.  This attempt
        broke because it tried to write into the objdir.  See the
        how-to-repeat section for full details.  Mail to tech-toolchain
        provoked a recommendation I send-pr; I hope my classification
        of the PR is appropriate.
>How-To-Repeat:
        I built the 4.0 tree with

        ./build.sh -D /usr/local/4.0/build/DESTDIR -O 
/usr/local/4.0/build/OBJDIR -U build

        in /usr/local/4.0/src, where I had the 4.0 source tree (yes, I
        made sure the -D and -O directories existed beforehand), and
        attempted to install with

        ./build.sh -V USETOOLS=never -V 
TOOLDIR=/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386 -D 
/usr/local/4.0/build/DESTDIR -O /usr/local/4.0/build/OBJDIR -U install=/mnt

        (/usr/local was a RO mount at install time).  Each of these was
        done under 3.0 kernel+userland.  The build was done as a
        nonprivileged user, the install attempt as root while booted
        single-user.  The errors from the install attempt:

        | ===> build.sh command: ./build.sh -V USETOOLS=never -V 
TOOLDIR=/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386 -D 
/usr/local/4.0/build/DESTDIR -O /usr/local/4.0/build/OBJDIR -U install=/mnt
        | ===> build.sh started: Tue Apr 22 15:33:17 EDT 2008
        | ===> NetBSD version:   4.0
        | ===> MACHINE:          i386
        | ===> MACHINE_ARCH:     i386
        | ===> Build platform:   NetBSD 3.0 i386
        | ===> HOST_SH:          /bin/sh
        | ===> TOOLDIR path:     
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386
        | ===> DESTDIR path:     /usr/local/4.0/build/DESTDIR
        | ===> RELEASEDIR path:  /usr/local/4.0/build/OBJDIR/releasedir
        | rm: 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: Read-only 
file system
        | eval: cannot create 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: read-only 
file system
        | eval: cannot create 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: read-only 
file system
        | eval: cannot create 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: read-only 
file system
        | eval: cannot create 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: read-only 
file system
        | eval: cannot create 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: read-only 
file system
        | eval: cannot create 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: read-only 
file system
        | eval: cannot create 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: read-only 
file system
        | eval: cannot create 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: read-only 
file system
        | eval: cannot create 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: read-only 
file system
        | eval: cannot create 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: read-only 
file system
        | eval: cannot create 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: read-only 
file system
        | eval: cannot create 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: read-only 
file system
        | eval: cannot create 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: read-only 
file system
        | eval: cannot create 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: read-only 
file system
        | eval: cannot create 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: read-only 
file system
        | eval: cannot create 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: read-only 
file system
        | eval: cannot create 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: read-only 
file system
        | eval: cannot create 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: read-only 
file system
        | eval: cannot create 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: read-only 
file system
        | chmod: 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386: Read-only 
file system
        | ===> makewrapper:      
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386
        | ===> Updated 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386
        | installsets ===> distrib/sets (with: INSTALLDIR=/mnt INSTALLSETS=)
        | ( cat /usr/local/4.0/src/etc/mtree/NetBSD.dist ;  echo '/unset all' ; 
 cat /usr/local/4.0/build/DESTDIR/METALOG )  | 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmtree -C -k all -N 
/usr/local/4.0/src/etc > /usr/local/4.0/build/DESTDIR/METALOG.new &&  ( rm -f 
/usr/local/4.0/build/DESTDIR/METALOG ;  mv 
/usr/local/4.0/build/DESTDIR/METALOG.new /usr/local/4.0/build/DESTDIR/METALOG )
        | cannot create /usr/local/4.0/build/DESTDIR/METALOG.new: read-only 
file system
        | 
        | *** Failed target:  /usr/local/4.0/build/DESTDIR/METALOG.sanitised
        | *** Failed command: ( cat /usr/local/4.0/src/etc/mtree/NetBSD.dist ; 
echo '/unset all' ; cat /usr/local/4.0/build/DESTDIR/METALOG ) | 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmtree -C -k all -N 
/usr/local/4.0/src/etc > /usr/local/4.0/build/DESTDIR/METALOG.new && ( rm -f 
/usr/local/4.0/build/DESTDIR/METALOG ; mv 
/usr/local/4.0/build/DESTDIR/METALOG.new /usr/local/4.0/build/DESTDIR/METALOG )
        | *** Error code 2
        | 
        | Stop.
        | nbmake: stopped in /usr/local/4.0/src/distrib/sets
        | 
        | *** Failed target:  installworld
        | *** Failed command: _makedirtarget() { dir="$1"; shift; target="$1"; 
shift; case "${dir}" in /*) this="${dir}/"; real="${dir}" ;; .) this=""; 
real="/usr/local/4.0/src" ;; *) this="${dir}/"; 
real="/usr/local/4.0/src/${dir}" ;; esac; show=${this:-.}; echo "${target} ===> 
${show%/}${1:+ (with: $@)}"; cd "${real}" && 
/usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake 
_THISDIR_="${this}" "$@" ${target}; }; _makedirtarget distrib/sets installsets 
INSTALLDIR=/mnt INSTALLSETS=
        | *** Error code 1
        | 
        | Stop.
        | nbmake: stopped in /usr/local/4.0/src
        | 
        | ERROR: Failed to make installworld to /mnt
        | *** BUILD ABORTED ***

        While composing this PR, I tried another install attempt, this
        time with the filesystem that was /usr/local in the above
        mounted (read-only) on /mnt and a different install-to
        directory, with the build.sh command-line updated to match:

        ./build.sh -V USETOOLS=never -V 
TOOLDIR=/mnt/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386 -D /mnt/4.0/build/DESTDIR 
-O /mnt/4.0/build/OBJDIR -U install=/extra/mouse/tmp

        This failed in basically the same way, except it didn't produce
        as much output, ending with

        | ===> makewrapper:      
/mnt/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386
        | ===> Updated 
/mnt/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake-i386
        | exec: /usr/local/4.0/build/OBJDIR/tooldir.NetBSD-3.0-i386/bin/nbmake: 
not found
        | 
        | ERROR: Failed to make installworld to /extra/mouse/tmp
        | *** BUILD ABORTED ***

        Presumably the /usr/local/4.0/... path was compiled into
        something - which is another, related, problem, it seems to me.

        If I've left out anything important, just let me know.

>Fix:
        Unknown.
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