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
|
# Copyright 1999-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# Robin H. Johnson <robbat2@gentoo.org>, 12 Nov 2007:
# This still needs major work.
# But it is significently better than the previous version.
# In that it will now build on biarch systems, such as ppc64-32ul.
# NOTES:
# ======
# We need to bring in the kernel sources seperately
# Because they have to be configured in a way that differs from the copy in
# /usr/src/. The sys-kernel/linux-headers are too stripped down to use
# unfortunately.
# This will be able to go away once the klibc author updates his code
# to build again the headers provided by the kernel's 'headers_install' target.
inherit eutils multilib toolchain-funcs
DESCRIPTION="A minimal libc subset for use with initramfs"
HOMEPAGE="http://www.zytor.com/mailman/listinfo/klibc"
KV_MAJOR="2" KV_MINOR="6" KV_SUB="39"
PKV_EXTRA=""
if [ -n "${PKV_EXTRA}" ]; then
PKV="${KV_MAJOR}.${KV_MINOR}.$((${KV_SUB}+1))-${PKV_EXTRA}"
PATCH_URI="mirror://kernel/linux/kernel/v${KV_MAJOR}.${KV_MINOR}/patch-${PKV}.bz2"
fi
OKV="${KV_MAJOR}.${KV_MINOR}.${KV_SUB}"
KERNEL_URI="
mirror://kernel/linux/kernel/v${KV_MAJOR}.${KV_MINOR}/linux-${OKV}.tar.bz2
mirror://kernel/linux/kernel/v${KV_MAJOR}.${KV_MINOR}/testing/linux-${OKV}.tar.bz2"
SRC_URI="
mirror://kernel/linux/libs/klibc/${PV:0:3}/${P}.tar.bz2
${PATCH_URI}
${KERNEL_URI}"
LICENSE="|| ( GPL-2 LGPL-2 )"
KEYWORDS="~alpha amd64 ~arm ia64 -mips ~ppc ~ppc64 ~sparc x86"
SLOT="0"
IUSE="debug"
DEPEND="dev-lang/perl"
RDEPEND="${DEPEND}"
KS="${WORKDIR}/linux-${OKV}"
# Klibc has no PT_GNU_STACK support, so scanning for execstacks is moot
QA_EXECSTACK="*"
# Do not strip
RESTRICT="strip"
kernel_asm_arch() {
a="${1:${ARCH}}"
case ${a} in
# Merged arches
x86|amd64) echo x86 ;;
ppc*) echo powerpc ;;
# Non-merged
alpha|arm|ia64|m68k|mips|sh|sparc*) echo ${1} ;;
*) die "TODO: Update the code for your asm-ARCH symlink" ;;
esac
}
# For a given Gentoo ARCH,
# specify the kernel defconfig most relevant
kernel_defconfig() {
a="${1:${ARCH}}"
# most, but not all arches have a sanely named defconfig
case ${a} in
ppc64) echo ppc64_defconfig ;;
ppc) echo pmac32_defconfig ;;
sh*) die "TODO: Your arch is not supported by the klibc ebuild. Please suggest a defconfig in a bug." ;;
*) echo defconfig ;;
esac
}
src_unpack() {
unpack linux-${OKV}.tar.bz2 ${P}.tar.bz2
[ -n "${PKV}" ] && EPATCH_OPTS="-d ${KS} -p1" epatch "${DISTDIR}"/patch-${PKV}.bz2
cd "${S}"
# Symlink /usr/src/linux to ${S}/linux
ln -snf "${KS}" linux
#ln -snf "/usr" linux
# Build interp.o with EXTRA_KLIBCAFLAGS (.S source)
epatch "${FILESDIR}"/${PN}-1.4.11-interp-flags.patch
# Fix usage of -s, bug #201006
epatch "${FILESDIR}"/klibc-1.5.7-strip-fix-dash-s.patch
}
# klibc has it's own ideas of arches
# They reflect userspace strictly.
# This functions maps from a Gentoo ARCH, to an arch that klibc expects
# Look at klibc-${S}/usr/klibc/arch for a list of these arches
klibc_arch() {
a="${1:${ARCH}}"
case ${a} in
amd64) echo x86_64;;
mips) die 'TODO: Use the $ABI' ;;
x86) echo i386;;
*) echo ${a} ;;
esac
}
src_compile() {
local myargs="all"
local myARCH="${ARCH}" myABI="${ABI}"
# TODO: For cross-compiling
# You should set ARCH and ABI here
CC="$(tc-getCC)"
HOSTCC="$(tc-getBUILD_CC)"
KLIBCARCH="$(klibc_arch ${ARCH})"
KLIBCASMARCH="$(kernel_asm_arch ${ARCH})"
libdir="$(get_libdir)"
# This should be the defconfig corresponding to your userspace!
# NOT your kernel. PPC64-32ul would choose 'ppc' for example.
defconfig=$(kernel_defconfig ${ARCH})
unset ABI ARCH # Unset these, because they interfere
unset KBUILD_OUTPUT # we are using a private copy
cd "${KS}"
emake ${defconfig} CC="${CC}" HOSTCC="${HOSTCC}" || die "No defconfig"
if [[ "${KLIBCARCH/arm}" != "${KLIBCARCH}" ]] && \
[[ "${CHOST/eabi}" != "${CHOST}" ]]; then
# The delete and insert are seperate statements
# so that they are reliably used.
sed -i \
-e '/CONFIG_AEABI/d' \
-e '1iCONFIG_AEABI=y' \
-e '/CONFIG_OABI_COMPAT/d' \
-e '1iCONFIG_OABI_COMPAT=y' \
"${KS}"/.config \
"${S}"/defconfig
fi
emake prepare CC="${CC}" HOSTCC="${HOSTCC}" || die "Failed to prepare kernel sources for header usage"
cd "${S}"
use debug && myargs="${myargs} V=1"
use test && myargs="${myargs} test"
emake \
EXTRA_KLIBCAFLAGS="-Wa,--noexecstack" \
EXTRA_KLIBCLDFLAGS="-z noexecstack" \
HOSTCC="${HOSTCC}" CC="${CC}" \
INSTALLDIR="/usr/${libdir}/klibc" \
KLIBCARCH=${KLIBCARCH} \
KLIBCASMARCH=${KLIBCASMARCH} \
SHLIBDIR="/${libdir}" \
libdir="/usr/${libdir}" \
mandir="/usr/share/man" \
T="${T}" \
${myargs} || die "Compile failed!"
#SHLIBDIR="/${libdir}" \
ARCH="${myARCH}" ABI="${myABI}"
}
src_install() {
local myargs
local myARCH="${ARCH}" myABI="${ABI}"
# TODO: For cross-compiling
# You should set ARCH and ABI here
CC="$(tc-getCC)"
HOSTCC="$(tc-getBUILD_CC)"
KLIBCARCH="$(klibc_arch ${ARCH})"
KLIBCASMARCH="$(kernel_asm_arch ${ARCH})"
libdir="$(get_libdir)"
# This should be the defconfig corresponding to your userspace!
# NOT your kernel. PPC64-32ul would choose 'ppc' for example.
defconfig=$(kernel_defconfig ${ARCH})
use debug && myargs="${myargs} V=1"
local klibc_prefix
if tc-is-cross-compiler ; then
klibc_prefix=$("${S}/klcc/${KLIBCARCH}-klcc" -print-klibc-prefix)
else
klibc_prefix=$("${S}/klcc/klcc" -print-klibc-prefix)
fi
unset ABI ARCH # Unset these, because they interfere
unset KBUILD_OUTPUT # we are using a private copy
emake \
EXTRA_KLIBCAFLAGS="-Wa,--noexecstack" \
EXTRA_KLIBCLDFLAGS="-z noexecstack" \
HOSTCC="${HOSTCC}" CC="${CC}" \
INSTALLDIR="/usr/${libdir}/klibc" \
INSTALLROOT="${D}" \
KLIBCARCH=${KLIBCARCH} \
KLIBCASMARCH=${KLIBCASMARCH} \
SHLIBDIR="/${libdir}" \
libdir="/usr/${libdir}" \
mandir="/usr/share/man" \
${myargs} \
install || die "Install failed!"
#SHLIBDIR="/${libdir}" \
# klibc doesn't support prelinking, so we need to mask it
cat > "${T}/70klibc" <<-EOF
PRELINK_PATH_MASK="/usr/${libdir}/klibc"
EOF
doenvd "${T}"/70klibc
# Fix the permissions (bug #178053) on /usr/${libdir}/klibc/include
# Actually I have no idea, why the includes have those weird-ass permissions
# on a particular system, might be due to inherited permissions from parent
# directory
find "${D}"/usr/${libdir}/klibc/include | xargs chmod o+rX
# Hardlinks becoming copies
for x in gunzip zcat ; do
rm -f "${D}/${klibc_prefix}/bin/${x}"
dosym gzip "${klibc_prefix}/bin/${x}"
done
# Restore now, so we can use the tc- functions
ARCH="${myARCH}" ABI="${myABI}"
if ! tc-is-cross-compiler ; then
cd "${S}"
insinto /usr/share/aclocal
doins contrib/klibc.m4
dodoc README usr/klibc/CAVEATS
docinto gzip; dodoc usr/gzip/README
fi
# Fix up the symlink
# Mainly for merged arches
linkname="${D}/usr/${libdir}/klibc/include/asm"
if [ -L "${linkname}" ] && [ ! -e "${linkname}" ] ; then
ln -snf asm-${KLIBCASMARCH} "${linkname}"
fi
}
src_test() {
if ! tc-is-cross-compiler ; then
cd "${S}"/usr/klibc/tests
ALL_TESTS="$(ls *.c |sed 's,\.c$,,g')"
BROKEN_TESTS="fcntl fnmatch testrand48"
failed=0
for t in $ALL_TESTS ; do
if has $t $BROKEN_TESTS ; then
echo "=== $t SKIP"
else
echo -n "=== $t "
./$t </dev/null >/dev/null
rc=$?
if [ $rc -eq 0 ]; then
echo PASS
else
echo FAIL
failed=1
fi
fi
done
[ $failed -ne 0 ] && die "Some tests failed."
fi
}
|
GitWeb