summaryrefslogtreecommitdiff
blob: accdd8d73c04408c6403c9a8151f02097e673895 (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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$

# See `man savedconfig.eclass` for info on how to use USE=savedconfig.

EAPI="5"
inherit eutils flag-o-matic savedconfig toolchain-funcs multilib

DESCRIPTION="Utilities for rescue and embedded systems"
HOMEPAGE="https://www.busybox.net/"
if [[ ${PV} == "9999" ]] ; then
	MY_P=${PN}
	EGIT_REPO_URI="git://busybox.net/busybox.git"
	inherit git-2
else
	MY_P=${PN}-${PV/_/-}
	SRC_URI="https://www.busybox.net/downloads/${MY_P}.tar.bz2"
	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-linux ~arm-linux ~x86-linux"
fi

LICENSE="GPL-2" # GPL-2 only
SLOT="0"
IUSE="debug ipv6 livecd make-symlinks math mdev pam selinux sep-usr static syslog systemd"
REQUIRED_USE="pam? ( !static )"
RESTRICT="test"

COMMON_DEPEND="!static? ( selinux? ( sys-libs/libselinux ) )
	pam? ( sys-libs/pam )"
DEPEND="${COMMON_DEPEND}
	static? ( selinux? ( sys-libs/libselinux[static-libs(+)] ) )
	>=sys-kernel/linux-headers-2.6.39"
RDEPEND="${COMMON_DEPEND}
	mdev? ( !<sys-apps/openrc-0.13 )"

S=${WORKDIR}/${MY_P}

busybox_config_option() {
	local flag=$1 ; shift
	if [[ ${flag} != [yn] ]] ; then
		busybox_config_option $(usex ${flag} y n) "$@"
		return
	fi
	while [[ $# -gt 0 ]] ; do
		if [[ ${flag} == "y" ]] ; then
			sed -i -e "s:.*\<CONFIG_$1\>.*set:CONFIG_$1=y:g" .config
		else
			sed -i -e "s:CONFIG_$1=y:# CONFIG_$1 is not set:g" .config
		fi
		einfo $(grep "CONFIG_$1[= ]" .config || echo Could not find CONFIG_$1 ...)
		shift
	done
}

busybox_config_enabled() {
	local val=$(sed -n "/^CONFIG_$1=/s:^[^=]*=::p" .config)
	case ${val} in
	"") return 1 ;;
	y)  return 0 ;;
	*)  echo "${val}" | sed -r 's:^"(.*)"$:\1:' ;;
	esac
}

src_prepare() {
	unset KBUILD_OUTPUT #88088
	append-flags -fno-strict-aliasing #310413
	use ppc64 && append-flags -mminimal-toc #130943

	# patches go here!
	epatch "${FILESDIR}"/${PN}-1.26.2-bb.patch
#	epatch "${FILESDIR}"/${P}-*.patch
	cp "${FILESDIR}"/ginit.c init/ || die

	# flag cleanup
	sed -i -r \
		-e 's:[[:space:]]?-(Werror|Os|falign-(functions|jumps|loops|labels)=1|fomit-frame-pointer)\>::g' \
		Makefile.flags || die
	#sed -i '/bbsh/s:^//::' include/applets.h
	sed -i '/^#error Aborting compilation./d' applets/applets.c || die
	use elibc_glibc && sed -i 's:-Wl,--gc-sections::' Makefile
	sed -i \
		-e "/^CROSS_COMPILE/s:=.*:= ${CHOST}-:" \
		-e "/^AR\>/s:=.*:= $(tc-getAR):" \
		-e "/^CC\>/s:=.*:= $(tc-getCC):" \
		-e "/^HOSTCC/s:=.*:= $(tc-getBUILD_CC):" \
		-e "/^PKG_CONFIG\>/s:=.*:= $(tc-getPKG_CONFIG):" \
		Makefile || die
	sed -i \
		-e 's:-static-libgcc::' \
		Makefile.flags || die
}

src_configure() {
	# check for a busybox config before making one of our own.
	# if one exist lets return and use it.

	restore_config .config
	if [ -f .config ]; then
		yes "" | emake -j1 -s oldconfig >/dev/null
		return 0
	else
		ewarn "Could not locate user configfile, so we will save a default one"
	fi

	# setup the config file
	emake -j1 -s allyesconfig >/dev/null
	# nommu forces a bunch of things off which we want on #387555
	busybox_config_option n NOMMU
	sed -i '/^#/d' .config
	yes "" | emake -j1 -s oldconfig >/dev/null

	# now turn off stuff we really don't want
	busybox_config_option n DMALLOC
	busybox_config_option n FEATURE_SUID_CONFIG
	busybox_config_option n BUILD_AT_ONCE
	busybox_config_option n BUILD_LIBBUSYBOX
	busybox_config_option n FEATURE_CLEAN_UP
	busybox_config_option n MONOTONIC_SYSCALL
	busybox_config_option n USE_PORTABLE_CODE
	busybox_config_option n WERROR
	# triming the BSS size may be dangerous
	busybox_config_option n FEATURE_USE_BSS_TAIL

	# If these are not set and we are using a uclibc/busybox setup
	# all calls to system() will fail.
	busybox_config_option y ASH
	busybox_config_option n HUSH

	# disable ipv6 applets
	if ! use ipv6; then
		busybox_config_option n FEATURE_IPV6
		busybox_config_option n TRACEROUTE6
		busybox_config_option n PING6
		busybox_config_option n UDHCPC6
	fi

	busybox_config_option pam PAM
	busybox_config_option static STATIC
	busybox_config_option syslog {K,SYS}LOGD LOGGER
	busybox_config_option systemd FEATURE_SYSTEMD
	busybox_config_option math FEATURE_AWK_LIBM

	# all the debug options are compiler related, so punt them
	busybox_config_option n DEBUG_SANITIZE
	busybox_config_option n DEBUG
	busybox_config_option y NO_DEBUG_LIB
	busybox_config_option n DMALLOC
	busybox_config_option n EFENCE
	busybox_config_option $(usex debug y n) TFTP_DEBUG

	busybox_config_option selinux SELINUX

	# this opt only controls mounting with <linux-2.6.23
	busybox_config_option n FEATURE_MOUNT_NFS

	# default a bunch of uncommon options to off
	local opt
	for opt in \
		ADD_SHELL \
		BEEP BOOTCHARTD \
		CRONTAB \
		DC DEVFSD DNSD DPKG{,_DEB} \
		FAKEIDENTD FBSPLASH FOLD FSCK_MINIX FTP{GET,PUT} \
		FEATURE_DEVFS \
		HOSTID HUSH \
		INETD INOTIFYD IPCALC \
		LOCALE_SUPPORT LOGNAME LPD \
		MAKEMIME MKFS_MINIX MSH \
		OD \
		RDEV READPROFILE REFORMIME REMOVE_SHELL RFKILL RUN_PARTS RUNSV{,DIR} \
		SLATTACH SMEMCAP SULOGIN SV{,LOGD} \
		TASKSET TCPSVD \
		RPM RPM2CPIO \
		UDPSVD UUDECODE UUENCODE
	do
		busybox_config_option n ${opt}
	done

	emake -j1 oldconfig > /dev/null
}

src_compile() {
	unset KBUILD_OUTPUT #88088
	export SKIP_STRIP=y

	emake V=1 busybox
}

src_install() {
	unset KBUILD_OUTPUT #88088
	save_config .config

	into /
	dodir /bin
	if use sep-usr ; then
		# install /ginit to take care of mounting stuff
		exeinto /
		newexe busybox_unstripped ginit
		dosym /ginit /bin/bb
		dosym bb /bin/busybox
	else
		newbin busybox_unstripped busybox
		dosym busybox /bin/bb
	fi
	if use mdev ; then
		dodir /$(get_libdir)/mdev/
		use make-symlinks || dosym /bin/bb /sbin/mdev
		cp "${S}"/examples/mdev_fat.conf "${ED}"/etc/mdev.conf

		exeinto /$(get_libdir)/mdev/
		doexe "${FILESDIR}"/mdev/*

		newinitd "${FILESDIR}"/mdev.initd mdev
	fi
	if use livecd ; then
		dosym busybox /bin/vi
	fi

	# add busybox daemon's, bug #444718
	if busybox_config_enabled FEATURE_NTPD_SERVER; then
		newconfd "${FILESDIR}/ntpd.confd" "busybox-ntpd"
		newinitd "${FILESDIR}/ntpd.initd" "busybox-ntpd"
	fi
	if busybox_config_enabled SYSLOGD; then
		newconfd "${FILESDIR}/syslogd.confd" "busybox-syslogd"
		newinitd "${FILESDIR}/syslogd.initd" "busybox-syslogd"
	fi
	if busybox_config_enabled KLOGD; then
		newconfd "${FILESDIR}/klogd.confd" "busybox-klogd"
		newinitd "${FILESDIR}/klogd.initd" "busybox-klogd"
	fi
	if busybox_config_enabled WATCHDOG; then
		newconfd "${FILESDIR}/watchdog.confd" "busybox-watchdog"
		newinitd "${FILESDIR}/watchdog.initd" "busybox-watchdog"
	fi
	if busybox_config_enabled UDHCPC; then
		local path=$(busybox_config_enabled UDHCPC_DEFAULT_SCRIPT)
		exeinto "${path%/*}"
		newexe examples/udhcp/simple.script "${path##*/}"
	fi
	if busybox_config_enabled UDHCPD; then
		insinto /etc
		doins examples/udhcp/udhcpd.conf
	fi

	# bundle up the symlink files for use later
	emake DESTDIR="${ED}" install
	rm _install/bin/busybox
	# for compatibility, provide /usr/bin/env
	mkdir -p _install/usr/bin
	ln -s /bin/env _install/usr/bin/env
	tar cf busybox-links.tar -C _install . || : #;die
	insinto /usr/share/${PN}
	use make-symlinks && doins busybox-links.tar

	dodoc AUTHORS README TODO

	cd docs
	docinto txt
	dodoc *.txt
	docinto pod
	dodoc *.pod
	dohtml *.html

	cd ../examples
	docinto examples
	dodoc inittab depmod.pl *.conf *.script undeb unrpm
}

pkg_preinst() {
	if use make-symlinks && [[ ! ${VERY_BRAVE_OR_VERY_DUMB} == "yes" ]] && [[ ${ROOT} == "/" ]] ; then
		ewarn "setting USE=make-symlinks and emerging to / is very dangerous."
		ewarn "it WILL overwrite lots of system programs like: ls bash awk grep (bug 60805 for full list)."
		ewarn "If you are creating a binary only and not merging this is probably ok."
		ewarn "set env VERY_BRAVE_OR_VERY_DUMB=yes if this is really what you want."
		die "silly options will destroy your system"
	fi

	if use make-symlinks ; then
		mv "${ED}"/usr/share/${PN}/busybox-links.tar "${T}"/ || die
	fi
}

pkg_postinst() {
	savedconfig_pkg_postinst

	if use make-symlinks ; then
		cd "${T}" || die
		mkdir _install
		tar xf busybox-links.tar -C _install || die
		cp -vpPR _install/* "${ROOT}"/ || die "copying links for ${x} failed"
	fi

	if use sep-usr ; then
		elog "In order to use the sep-usr support, you have to update your"
		elog "kernel command line.  Add the option:"
		elog "     init=/ginit"
		elog "To launch a different init than /sbin/init, use:"
		elog "     init=/ginit /sbin/yourinit"
		elog "To get a rescue shell, you may boot with:"
		elog "     init=/ginit bb"
	fi
}