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Jason Wessel 23d149856d terminal.bbclass, oe-buildenv-internal: pass SCREENDIR environment variable

Some versions of the screen utility provided from the host OS vendor
write the socket directory to $HOME/.screen.  When using a shared home
directory across many servers, one sets the SCREENDIR environment
variable to avoid collisions in the shared home directory.  This
results in problems launching a devshell where it is not entirely
obvious what happened because the SCREENDIR environment variable
got stripped from the environment prior to setting up the screen
in detached mode.

Example:
   % bitbake -c devshell busybox
   # ...Please connect in another terminal with "screen -r devshell"

   % screen -r devshell
   There is no screen to be resumed matching devshell.

The temporary work around was to do something like:
   sh -c "unset SCREENDIR; screen -r devshell"

This patch adds SCREENDIR to the white list to ensure screen
works properly on systems where a developer needs to use
the SCREENDIR with shared home directories.

(From OE-Core rev: 5568a8f5a1c65bae021b2e36d735d3153acc6d72)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2012-05-06 09:55:46 +01:00

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#!/bin/sh

OE-Core Build Environment Setup Script

Copyright (C) 2006-2011 Linux Foundation

This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software

Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

It is assumed OEROOT is already defined when this is called

if [ -z "$OEROOT" ]; then echo >&2 "Error: OEROOT is not defined!" return 1 fi

if [ "x$BDIR" = "x" ]; then if [ "x$1" = "x" ]; then BDIR="build" else BDIR="$1" if [ "$BDIR" = "/" ]; then echo >&2 "Error: / is not supported as a build directory." return 1 fi

    # Remove any possible trailing slashes. This is used to work around
    # buggy readlink in Ubuntu 10.04 that doesn't ignore trailing slashes
    # and hence "readlink -f new_dir_to_be_created/" returns empty.
    BDIR=`echo $BDIR | sed -re 's|/+$||'`

    BDIR=`readlink -f "$BDIR"`
    if [ -z "$BDIR" ]; then
        PARENTDIR=`dirname "$1"`
        echo >&2 "Error: the directory $PARENTDIR does not exist?"
        return 1
    fi
fi

fi if expr "$BDIR" : '/.*' > /dev/null ; then BUILDDIR="$BDIR" else BUILDDIR="pwd/$BDIR" fi unset BDIR

BITBAKEDIR="$OEROOT/bitbake$BBEXTRA/"

BITBAKEDIR=readlink -f "$BITBAKEDIR" BUILDDIR=readlink -f "$BUILDDIR"

if ! (test -d "$BITBAKEDIR"); then echo >&2 "Error: The bitbake directory ($BITBAKEDIR) does not exist! Please ensure a copy of bitbake exists at this location" return 1 fi

PATH="${OEROOT}/scripts:$BITBAKEDIR/bin/:$PATH" unset BITBAKEDIR

Used by the runqemu script

export BUILDDIR export PATH export BB_ENV_EXTRAWHITE="MACHINE DISTRO TCMODE TCLIBC http_proxy ftp_proxy https_proxy all_proxy ALL_PROXY no_proxy SSH_AGENT_PID SSH_AUTH_SOCK BB_SRCREV_POLICY SDKMACHINE BB_NUMBER_THREADS PARALLEL_MAKE GIT_PROXY_COMMAND GIT_PROXY_IGNORE SOCKS5_PASSWD SOCKS5_USER SCREENDIR"

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