summarylogtreecommitdiffstats
path: root/PKGBUILD
blob: 4c085b888c0213e7a8d2249bd942e0546cc8530b (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
# Maintainer: Heptazhou <zhou at 0h7z dot com>
# Contributor: Allan McRae <allan@archlinux.org>
# Contributor: Bartłomiej Piotrowski <bpiotrowski@archlinux.org>
# Contributor: Giancarlo Razzolini <grazzolini@archlinux.org>
# Contributor: Frederik Schwan <freswa at archlinux dot org>

# toolchain build order: linux-api-headers->glibc->binutils->gcc->glibc->binutils->gcc
# NOTE: valgrind requires rebuilt with each major glibc version

pkgbase=glibc-linux4
pkgname=(glibc-linux4 lib32-glibc-linux4)
pkgver_=1aed90c9c8f8be9f68b58e96b6e4cd0fc08eb2b1
pkgver=2.38
pkgrel=1
arch=(x86_64)
url="https://www.gnu.org/software/libc/"
license=(GPL LGPL)
makedepends=(git gd lib32-gcc-libs python)
options=(staticlibs !lto)
validpgpkeys=(
	7273542B39962DF7B299931416792B4EA25340F8 # Carlos O'Donell
	BC7C7372637EC10C57D7AA6579C43DFBF1CF2187 # Siddhesh Poyarekar
)
source=(
	git+https://sourceware.org/git/glibc.git#commit=$pkgver_
	# https://ftp.gnu.org/gnu/glibc/glibc-$pkgver.tar.xz{,.sig}
	glibc-linux4.patch
	locale.gen.txt
	locale-gen
	lib32-glibc.conf
	sdt.h
	sdt-config.h
)
sha256sums=(
	"SKIP"
	# "fb82998998b2b29965467bc1b69d152e9c307d2cf301c9eafb4555b770ef3fd2" "SKIP"
	"e105e7788b068f364178eaaa6cd2e150047fec7a79138fda32a5410cbdf1c1b4"
	"2a7dd6c906b6c54a68f48a21898664a32fdb136cbd9ff7bfd48f01d1aaa649ae"
	"7503947e23cecc8307e8f7ce2a792eecb6f72f22d6838b34417c2489a259fde9"
	"c27424154a6096ae32c0824b785e05de6acef33d9224fd6147d1936be9b4962b"
	"774061aff612a377714a509918a9e0e0aafce708b87d2d7e06b1bd1f6542fe70"
	"cdc234959c6fdb43f000d3bb7d1080b0103f4080f5e67bcfe8ae1aaf477812f0"
)

prepare() {
	mkdir -p glibc-build lib32-glibc-build

	[[ -d glibc-$pkgver ]] && ln -s glibc-$pkgver glibc
	cd glibc

	# compatibility with linux 4.x hosts
	# patch -Np1 < "$srcdir"/glibc-linux4.patch
}

build() {
	local _configure_flags=(
		--prefix=/usr
		--with-headers=/usr/include
		--with-bugurl=https://bugs.archlinux.org/
		--enable-bind-now
		--enable-cet
		--enable-fortify-source
		--enable-kernel=4.4.0
		--enable-multi-arch
		--enable-stack-protector=strong
		--enable-systemtap
		--disable-profile
		--disable-werror
	)

	cd "${srcdir}"/glibc-build

	echo "slibdir=/usr/lib" >> configparms
	echo "rtlddir=/usr/lib" >> configparms
	echo "sbindir=/usr/bin" >> configparms
	echo "rootsbindir=/usr/bin" >> configparms

	# Credits @allanmcrae
	# https://github.com/allanmcrae/toolchain/blob/f18604d70c5933c31b51a320978711e4e6791cf1/glibc/PKGBUILD
	# remove fortify for building libraries
	# CFLAGS=${CFLAGS/-Wp,-D_FORTIFY_SOURCE=2/}

	"${srcdir}"/glibc/configure \
		--libdir=/usr/lib \
		--libexecdir=/usr/lib \
		"${_configure_flags[@]}"

	make -O

	# build info pages manually for reproducibility
	make info

	cd "${srcdir}"/lib32-glibc-build
	export CC="gcc -m32 -mstackrealign"
	export CXX="g++ -m32 -mstackrealign"

	echo "slibdir=/usr/lib32" >> configparms
	echo "rtlddir=/usr/lib32" >> configparms
	echo "sbindir=/usr/bin" >> configparms
	echo "rootsbindir=/usr/bin" >> configparms

	"${srcdir}"/glibc/configure \
		--host=i686-pc-linux-gnu \
		--libdir=/usr/lib32 \
		--libexecdir=/usr/lib32 \
		"${_configure_flags[@]}"

	make -O

	cd "${srcdir}"/glibc-build

	# pregenerate C.UTF-8 locale until it is built into glibc
	# (https://sourceware.org/glibc/wiki/Proposals/C.UTF-8, FS#74864)
	elf/ld.so --library-path "$PWD" locale/localedef -c -f ../glibc/localedata/charmaps/UTF-8 -i ../glibc/localedata/locales/C ../C.UTF-8/
}

check() {
	cd glibc-build

	# adjust/remove buildflags that cause false-positive testsuite failures
	sed -i '/FORTIFY/d' configparms # failure to build testsuite
	sed -i 's/-Werror=format-security/-Wformat-security/' config.make # failure to build testsuite
	sed -i '/CFLAGS/s/-fno-plt//' config.make # 16 failures
	sed -i '/CFLAGS/s/-fexceptions//' config.make # 1 failure
	LDFLAGS=${LDFLAGS/,-z,now/} # 10 failures

	# some failures are "expected"
	# make -O check || \ #
	true
}

package_glibc-linux4() {
	pkgdesc="GNU C Library (linux 4.x compat)"
	depends=("linux-api-headers>=4.10" tzdata filesystem)
	provides=("glibc=$pkgver")
	conflicts=("glibc")
	optdepends=("gd: for memusagestat" "perl: for mtrace")
	install=glibc.install
	backup=(
		etc/gai.conf
		etc/locale.gen
		etc/nscd.conf
	)

	make -C glibc-build install_root="${pkgdir}" install
	rm -f "${pkgdir}"/etc/ld.so.cache

	# Shipped in tzdata
	rm -f "${pkgdir}"/usr/bin/{tzselect,zdump,zic}

	cd glibc

	install -dm755 "${pkgdir}"/usr/lib/{locale,systemd/system,tmpfiles.d}
	install -m644 nscd/nscd.conf "${pkgdir}"/etc/nscd.conf
	install -m644 nscd/nscd.service "${pkgdir}"/usr/lib/systemd/system
	install -m644 nscd/nscd.tmpfiles "${pkgdir}"/usr/lib/tmpfiles.d/nscd.conf
	install -dm755 "${pkgdir}"/var/db/nscd

	install -m644 posix/gai.conf "${pkgdir}"/etc/gai.conf

	install -m755 "${srcdir}"/locale-gen "${pkgdir}"/usr/bin

	# Create /etc/locale.gen
	install -m644 "${srcdir}"/locale.gen.txt "${pkgdir}"/etc/locale.gen
	sed -e '1,3d' -e 's|/| |g' -e 's|\\| |g' -e 's|^|#|g' \
		"${srcdir}"/glibc/localedata/SUPPORTED >> "${pkgdir}"/etc/locale.gen

	# Add SUPPORTED file to pkg
	sed -e '1,3d' -e 's|/| |g' -e 's| \\||g' \
		"${srcdir}"/glibc/localedata/SUPPORTED > "${pkgdir}"/usr/share/i18n/SUPPORTED

	# install C.UTF-8 so that it is always available
	install -dm755 "${pkgdir}"/usr/lib/locale
	cp -r "${srcdir}"/C.UTF-8 -t "${pkgdir}"/usr/lib/locale
	sed -i '/#C\.UTF-8 /d' "${pkgdir}"/etc/locale.gen

	# Provide tracing probes to libstdc++ for exceptions, possibly for other
	# libraries too. Useful for gdb's catch command.
	install -Dm644 "${srcdir}"/sdt.h "${pkgdir}"/usr/include/sys/sdt.h
	install -Dm644 "${srcdir}"/sdt-config.h "${pkgdir}"/usr/include/sys/sdt-config.h
}

package_lib32-glibc-linux4() {
	pkgdesc="GNU C Library (linux 4.x compat, 32-bit)"
	depends=("glibc=$pkgver")
	provides=("lib32-glibc=$pkgver")
	conflicts=("lib32-glibc")
	options+=("!emptydirs")

	cd lib32-glibc-build

	make install_root="${pkgdir}" install
	rm -rf "${pkgdir}"/{etc,sbin,usr/{bin,sbin,share},var}

	# We need to keep 32 bit specific header files
	find "${pkgdir}"/usr/include -type f -not -name '*-32.h' -delete

	# Dynamic linker
	install -d "${pkgdir}"/usr/lib
	ln -s ../lib32/ld-linux.so.2 "${pkgdir}"/usr/lib/

	# Add lib32 paths to the default library search path
	install -Dm644 "${srcdir}"/lib32-glibc.conf "${pkgdir}"/etc/ld.so.conf.d/lib32-glibc.conf

	# Symlink /usr/lib32/locale to /usr/lib/locale
	ln -s ../lib/locale "${pkgdir}"/usr/lib32/locale
}