1#!/bin/sh
2
3# OE-Core Build Environment Setup Script
4#
5# Copyright (C) 2006-2011 Linux Foundation
6#
7# SPDX-License-Identifier: GPL-2.0-or-later
8#
9
10if ! $(return >/dev/null 2>&1) ; then
11    echo 'oe-buildenv-internal: error: this script must be sourced'
12    echo ''
13    echo 'Usage: . $OEROOT/scripts/oe-buildenv-internal &&'
14    echo ''
15    echo 'OpenEmbedded oe-buildenv-internal - an internal script that is'
16    echo 'used in oe-init-build-env to initialize oe build environment'
17    echo ''
18    exit 2
19fi
20
21# It is assumed OEROOT is already defined when this is called
22if [ -z "$OEROOT" ]; then
23    echo >&2 "Error: OEROOT is not defined!"
24    return 1
25fi
26
27if [ -z "$OE_SKIP_SDK_CHECK" ] && [ -n "$OECORE_SDK_VERSION" ]; then
28    echo >&2 "Error: The OE SDK/ADT was detected as already being present in this shell environment. Please use a clean shell when sourcing this environment script."
29    return 1
30fi
31
32# We potentially have code that doesn't parse correctly with older versions
33# of Python, and rather than fixing that and being eternally vigilant for
34# any other new feature use, just check the version here.
35py_v38_check=$(python3 -c 'import sys; print(sys.version_info >= (3,8,0))')
36if [ "$py_v38_check" != "True" ]; then
37    echo >&2 "BitBake requires Python 3.8.0 or later as 'python3' (scripts/install-buildtools can be used if needed)"
38    return 1
39fi
40unset py_v38_check
41
42if [ -z "$BDIR" ]; then
43    if [ -z "$1" ]; then
44        BDIR="build"
45    else
46        BDIR="$1"
47        if [ "$BDIR" = "/" ]; then
48            echo >&2 "Error: / is not supported as a build directory."
49            return 1
50        fi
51
52        # Remove any possible trailing slashes. This is used to work around
53        # buggy readlink in Ubuntu 10.04 that doesn't ignore trailing slashes
54        # and hence "readlink -f new_dir_to_be_created/" returns empty.
55        BDIR=$(echo $BDIR | sed -re 's|/+$||')
56
57        BDIR=$(readlink -f "$BDIR")
58        if [ -z "$BDIR" ]; then
59            PARENTDIR=$(dirname "$1")
60            echo >&2 "Error: the directory $PARENTDIR does not exist?"
61            return 1
62        fi
63    fi
64    if [ -n "$2" ]; then
65        BITBAKEDIR="$2"
66    fi
67fi
68if [ "${BDIR#/}" != "$BDIR" ]; then
69    BUILDDIR="$BDIR"
70else
71    BUILDDIR="$(pwd)/$BDIR"
72fi
73unset BDIR
74
75if [ -z "$BITBAKEDIR" ]; then
76    BITBAKEDIR="$OEROOT/bitbake$BBEXTRA"
77    test -d "$BITBAKEDIR" || BITBAKEDIR="$OEROOT/../bitbake$BBEXTRA"
78fi
79
80BITBAKEDIR=$(readlink -f "$BITBAKEDIR")
81BUILDDIR=$(readlink -f "$BUILDDIR")
82BBPATH=$BUILDDIR
83
84export BBPATH
85
86if [ ! -d "$BITBAKEDIR" ]; then
87    echo >&2 "Error: The bitbake directory ($BITBAKEDIR) does not exist!  Please ensure a copy of bitbake exists at this location or specify an alternative path on the command line"
88    return 1
89fi
90
91# Add BitBake's library to PYTHONPATH
92PYTHONPATH=$BITBAKEDIR/lib:$PYTHONPATH
93export PYTHONPATH
94
95# Remove any paths added by sourcing this script before
96[ -n "$OE_ADDED_PATHS" ] && PATH=$(echo $PATH | sed -e "s#$OE_ADDED_PATHS##") ||
97    PATH=$(echo $PATH | sed -e "s#$OEROOT/scripts:$BITBAKEDIR/bin:##")
98
99# Make sure our paths are at the beginning of $PATH
100OE_ADDED_PATHS="$OEROOT/scripts:$BITBAKEDIR/bin:"
101PATH="$OE_ADDED_PATHS$PATH"
102export OE_ADDED_PATHS
103
104# This is not needed anymore
105unset BITBAKEDIR
106
107# Used by the runqemu script
108export BUILDDIR
109
110BB_ENV_PASSTHROUGH_ADDITIONS_OE="MACHINE DISTRO TCMODE TCLIBC HTTP_PROXY http_proxy \
111HTTPS_PROXY https_proxy FTP_PROXY ftp_proxy FTPS_PROXY ftps_proxy ALL_PROXY \
112all_proxy NO_PROXY no_proxy SSH_AGENT_PID SSH_AUTH_SOCK BB_SRCREV_POLICY \
113SDKMACHINE BB_NUMBER_THREADS BB_NO_NETWORK PARALLEL_MAKE GIT_PROXY_COMMAND \
114SOCKS5_PASSWD SOCKS5_USER SCREENDIR STAMPS_DIR BBPATH_EXTRA BB_SETSCENE_ENFORCE \
115BB_LOGCONFIG"
116
117BB_ENV_PASSTHROUGH_ADDITIONS="$(echo $BB_ENV_PASSTHROUGH_ADDITIONS $BB_ENV_PASSTHROUGH_ADDITIONS_OE | tr ' ' '\n' | LC_ALL=C sort --unique | tr '\n' ' ')"
118
119export BB_ENV_PASSTHROUGH_ADDITIONS
120