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|
#!/bin/bash
# Copyright (C) 2006,2007 Lauri Leukkunen <lle@rahina.org>
# Licensed under GPL version 2
function usage()
{
cat <<EOF
sb2 - crosscompiling environment
Usage:
sb2 [OPTION]... [COMMAND] [PARAMETERS]
If no COMMAND is given, a bash shell in scratchbox2 environment is started.
Options:
-v verbose mode: log all redirections
-h print this help
-t DIRECTORY target directory, else search up in directory
structure for a .sbrc
-e emulation mode
-m DIRECTORY load preload scripts from alternative location
Examples:
sb2 ./configure
sb2 make
sb2 -e make install
EOF
exit 2
}
function exit_error()
{
echo "$@"
exit 1
}
function sanity_check()
{
if [ `id -u` = 0 ] ; then
exit_error "Do not use sbox2 as root!"
fi
# check that most important host and target files exist
}
find_target_root()
{
(
while [ "$PWD" != "/" ]; do
if [ -r sb2.config -o -d .sb2cache ]; then
echo "$(readlink -f -n $PWD)"
return 0
else
cd ..
fi
done
return 1
)
}
function sboxify_environment()
{
if [ -r ~/.sb2rc ]; then
. ~/.sb2rc
fi
if [ -z "$SBOX_TARGET_ROOT" ]; then
SBOX_TARGET_ROOT=`find_target_root` || exit_error "Cannot find target root!"
fi
SBOX_MAPPING_CACHE=$SBOX_TARGET_ROOT/.sb2cache
if [ ! -d $SBOX_MAPPING_CACHE ]; then
mkdir -p $SBOX_MAPPING_CACHE
fi
if [ -n "$SBOX_DIR" ]; then
SBOX_LIBSB2="$SBOX_DIR/lib/libsb2.so"
if [ -z "$SBOX_REDIR_SCRIPTS" ]; then
SBOX_REDIR_SCRIPTS="$SBOX_DIR/share/scratchbox2/redir_scripts"
fi
SBOX_GCCWRAPPER="$SBOX_DIR/bin/sb_gcc_wrapper"
else
exit_error "Something foul happeninged..."
fi
if [ -n "$SBOX_TOOLS_ROOT" ]; then
REDIR_LD_SO="$SBOX_TOOLS_DIR/lib/ld-linux.so.2"
REDIR_LD_LIBRARY_PATH="$SBOX_TOOLS_DIR/lib:$SBOX_TOOLS_DIR/usr/lib:$SBOX_TOOLS_DIR/usr/local/lib"
export REDIR_LD_SO REDIR_LD_LIBRARY_PATH SBOX_TOOLS_ROOT
fi
export SBOX_LIBSB2 SBOX_REDIR_SCRIPTS SBOX_TARGET_ROOT SBOX_MAPPING_CACHE SBOX_GCCWRAPPER SBOX_TARGET_COMPILER
# cd $SBOX_TARGET_ROOT
# -Riku: I don't think we want to run this on every sb2 invocation..
HOST_GCC_INC_DIR=$(echo "#include <stdio.h>" | gcc -M -E - | perl -e 'while(<STDIN>) { $foo{$1} = 1 if m/\/usr([^[:space:]]*\/include)/;}; foreach my $k (keys %foo) {print " -isystem $ENV{SBOX_DIR}/share/scratchbox2/host_usr$k"};')
export PATH=$SBOX_TARGET_ROOT/sb_tools/bin:$SBOX_DIR/bin:$PATH:$SBOX_TARGET_ROOT/bin:$SBOX_TARGET_ROOT/usr/bin:$SBOX_TARGET_ROOT/usr/local/bin:/sbin:/usr/sbin
export LD_PRELOAD=$SBOX_LIBSB2
export SBOX_EXTRA_HOST_COMPILER_ARGS="$HOST_GCC_INC_DIR"
export SBOX_EXTRA_CROSS_COMPILER_ARGS="--sysroot=$SBOX_TARGET_ROOT -isystem $SBOX_TARGET_ROOT/usr/local/include -isystem $SBOX_TARGET_ROOT/usr/include -I$SBOX_TARGET_ROOT/usr/local/include -I$SBOX_TARGET_ROOT/usr/include -L$SBOX_TARGET_ROOT/usr/local/lib -L$SBOX_TARGET_ROOT/usr/lib -L$SBOX_TARGET_ROOT/lib"
export SBOX_EXTRA_CROSS_LD_ARGS="-rpath-link $SBOX_TARGET_ROOT/usr/local/lib:$SBOX_TARGET_ROOT/usr/lib:$SBOX_TARGET_ROOT/lib"
export SBOX_SCRATCHBOX_CONFIG=$SBOX_TARGET_ROOT/sb2.config
export PS1="[SB2] \u@\h \w \$ "
. $SBOX_SCRATCHBOX_CONFIG
# Debian exports REVISIT on dpkg 1.14
if [ $SBOX_CPU = "arm" ]; then
export DEB_BUILD_ARCH=armel
else
export DEB_BUILD_ARCH=$SBOX_CPU
fi
export DEB_BUILD_ARCH_CPU=$SBOX_CPU
export DEB_BUILD_GNU_CPU=$SBOX_CPU
export DEB_BUILD_GNU_TYPE=$SBOX_CPU-linux-gnu
export SBOX_COMPILER_ROOT=$(readlink -f $SBOX_CROSS_GCC_DIR/..)
export SBOX_CPUTRANSPARENCY_METHOD
export SBOX_CROSS_GCC_PREFIX_LIST
export SBOX_HOST_GCC_PREFIX_LIST
export SBOX_UNAME_MACHINE=$SBOX_CPU
if [ "$SBOX_MAPPING_VERBOSE" == "1" ]; then
export SBOX_DISABLE_MAPPING_CACHE=1 # disable the cache to force use of lua engine
export SBOX_MAPPING_LOGFILE=$PWD/sb2_mapping.log
echo "Running scratchbox with these settings:"
echo "SBOX_LIBSB2 = $SBOX_LIBSB2"
echo "SBOX_REDIR_SCRIPTS = $SBOX_REDIR_SCRIPTS"
echo "SBOX_GCCWRAPPER = $SBOX_GCCWRAPPER"
echo "REDIR_LD_SO = $REDIR_LD_SO"
echo "REDIR_LD_LIBRARY_PATH = $REDIR_LD_LIBRARY_PATH"
echo "SBOX_TARGET_ROOT = $SBOX_TARGET_ROOT"
fi
}
export SBOX_DIR=$(readlink -f $(dirname $_)/..)
while getopts vht:em: foo
do
case $foo in
(v) export SBOX_MAPPING_VERBOSE=1 ;;
(h) usage ;;
(t) export SBOX_TARGET_ROOT=$OPTARG ;;
(e) export SBOX_EMULATE=1 ;;
(m) export SBOX_REDIR_SCRIPTS=$OPTARG;;
(*) usage ;;
esac
done
shift $(($OPTIND - 1))
# read commands to execute from stdin - not yet implemented
if [ "$1" = "-" ] ; then
STDIN=true
fi
sboxify_environment
# set the initial binary name for the mapping engine
export __SB2_BINARYNAME="bash"
if [ $# -gt 0 -o "$STDIN" = true ] ; then
binary="$1"
shift 1
args="$@"
exec /bin/sh -c "$binary $args"
else
exec /bin/bash --noprofile --norc
fi
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