blob: 87dcb00e9adab900fd9f126626fc1082c2d16532 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
#!/bin/bash
# Copyright 2008-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
if [[ $1 == "--help" || $1 == "-h" ]] ; then
cat <<-EOF
Usage: emerge-wrapper [--target <chost>] <--init|commands for cross-emerge>
emerge-wrapper is used in one of two ways:
- Use --init to setup cross-toolchain environment(s)
- Pass the command line through to cross-emerge
EOF
exit 0
fi
PREFIX="@PREFIX@"
# Enable this script to be manually installed while debugging
[[ ${PREFIX} == "@"PREFIX"@" ]] && PREFIX="/usr"
err() { echo "emerge-wrapper: ERROR: $*" 1>&2; exit 1; }
emit_setup_warning()
{
if ! ${setup_warning} ; then
setup_warning=true
echo "!!! WARNING - Cannot auto-configure CHOST ${CHOST};"
echo "!!! You should edit ${confs[*]}"
echo "!!! by hand to complete your configuration."
fi
echo "!!! $*"
}
cross_wrap_etc()
{
[[ $1 == "-q" ]] || echo "${CHOST}: setting up cross basics in ${SYSROOT}/etc"
setup_warning=false
cp -a "${PREFIX}"/share/crossdev/etc ${SYSROOT}/ || return 1
ln -snf "${MAIN_REPO_PATH}/profiles/embedded" "${SYSROOT}/etc/portage/make.profile" || return 1
local confs=(
${SYSROOT}/etc/portage/make.conf
${SYSROOT}/etc/portage/profile/make.defaults
${SYSROOT}/etc/portage/profile/use.force
)
# Re-use existing CHOST->portage ARCH mapping code
ARCH=$(
inherit() { :; }
die() { err "toolchain-funcs.eclass$*"; }
EAPI=7 . "${MAIN_REPO_PATH}"/eclass/toolchain-funcs.eclass
tc-arch
)
[[ $? -ne 0 ]] && err "Failed calling 'tc-arch' from toolchain-funcs.eclass."
[[ ${ARCH} == "unknown" ]] && emit_setup_warning "No ARCH is known for this target."
LIBC="__LIBC__"
case ${CHOST} in
*gnu*) LIBC=glibc ;;
*uclibc*) LIBC=uclibc-ng ;;
*musl*) LIBC=musl ;;
*cygwin*) LIBC=Cygwin ;;
*mingw*) LIBC=mingw ;;
*-newlib|*-elf|*-eabi) LIBC=newlib ;;
*) emit_setup_warning "No LIBC is known for this target." ;;
esac
KERNEL="__KERNEL__"
case ${CHOST} in
*linux*) KERNEL=linux ;;
*mingw*) KERNEL=Winnt ;;
*) emit_setup_warning "No KERNEL is known for this target." ;;
esac
if [[ -n ${KERNEL} ]]; then
USE_FORCE_KERNEL="kernel_${KERNEL}"
else
USE_FORCE_KERNEL=""
fi
sed -i \
-e "s:__LIBC__:${LIBC}:g" \
-e "s:__ARCH__:${ARCH}:g" \
-e "s:__KERNEL__:${KERNEL}:g" \
-e "s:__USE_FORCE_KERNEL__:${USE_FORCE_KERNEL}:g" \
-e "s:__CHOST__:${CHOST}:g" \
-e "s:__CBUILD__:${CBUILD}:g" \
"${confs[@]}"
return 0
}
cross_wrap_bin()
{
[[ $1 == "-q" ]] || echo "${CHOST}: Setting up symlinks"
pushd "${0%/*}" >/dev/null
local wrapper
for wrapper in ebuild emerge fix-root pkg-config ; do
ln -sf cross-${wrapper} ${CHOST}-${wrapper}
done
# some people like their tab completion
ln -sf cross-emerge emerge-${CHOST}
popd >/dev/null
}
cross_wrap()
{
SYSROOT=@GENTOO_PORTAGE_EPREFIX@/usr/${CHOST}
cross_wrap_bin "$@" || return $?
if [[ -d ${SYSROOT} ]] && [[ ! -d ${SYSROOT}/etc ]] ; then
cross_wrap_etc "$@"
fi
return $?
}
cross_init()
{
if [[ ${CHOST} == "wrapper" ]] ; then
err "missing --target <CHOST> option"
fi
# Initialize env for just one target. This is the automated behavior
# when crossdev is setting things up for people.
cross_wrap -q
}
# CBUILD must be the first thing we export, but might as well avoid
# running portageq multiple times ...
import_vars="DISTDIR MAKEOPTS GENTOO_MIRRORS"
eval $(portageq envvar -v CBUILD ${import_vars})
export CBUILD
MAIN_REPO_PATH=$(crossdev --show-repo-cfg MAIN_REPO_PATH)
# Get default CHOST value from program name
CHOST=${0##*/}
CHOST=${CHOST%-emerge}
CHOST=${CHOST#emerge-}
export CHOST
if [[ $1 == "--target" ]] ; then
CHOST=$2
shift 2
fi
if [[ $1 == "--init" ]] ; then
cross_init
exit $?
fi
if [[ $CHOST == "wrapper" ]] ; then
echo "After running this program with the --init option as root"
echo "you can call it directly like emerge-wrapper --target CHOST <emerge options>"
echo "or using the emerge-CHOST wrappers"
exit 1
fi
type -P -- ${CHOST}-gcc >/dev/null || err "you need to 'crossdev $CHOST' first"
exec cross-emerge "$@"
|
GitWeb