sys-libs/libstdc++-v3/libstdc++-v3-3.3.6-r1.ebuild


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

# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-libs/libstdc++-v3/libstdc++-v3-3.3.6-r1.ebuild,v 1.3 2012/07/23 16:01:24 vapier Exp $

inherit eutils flag-o-matic libtool multilib

transform_known_flags() {
	declare setting

	# and on x86, we just need to filter the 3.4 specific amd64 -marchs
	replace-cpu-flags k8 athlon64 opteron x86-64

	# gcc 3.3 doesn't support -march=pentium-m
	replace-cpu-flags pentium-m pentium3m pentium3

	#GCC 3.3 does not understand G3, G4, G5 on ppc
	replace-cpu-flags G3 750
	replace-cpu-flags G4 7400
	replace-cpu-flags G5 7400
}

is_arch_allowed() {
	i386_processor_table="i386 i486 i586 pentium pentium-mmx winchip-c6 \
		winchip2 c3 i686 pentiumpro pentium2 pentium3 pentium4 prescott \
		nocona k6 k6-2 k6-3 athlon athlon-tbird x86-64 athlon-4 athlon-xp \
		athlon-mp"

	for proc in ${i386_processor_table} ; do
		[ "${proc}" == "${1}" ] && return 0
	done

	mips_processor_table="mips1 mips2 mips3 mips4 mips32 mips64 r3000 r2000 \
		r3900 r6000 r4000 vr4100 vr4111 vr4120 vr4300 r4400 r4600 orion \
		r4650 r8000 vr5000 vr5400 vr5500 4kc 4kp 5kc 20kc sr71000 sb1"

	for proc in ${mips_processor_table} ; do
		[ "${proc}" == "${1}" ] && return 0
	done

	rs6000_processor_table="common power power2 power3 power4 powerpc \
		powerpc64 rios rios1 rsc rsc1 rios2 rs64a 401 403 405 505 601 602 \
		603 603e ec603e 604 604e 620 630 740 750 7400 7450 8540 801 821 823 \
		860"

	for proc in ${rs6000_processor_table} ; do
		[ "${proc}" == "${1}" ] && return 0
	done

	return 1
}

do_filter_flags() {
	declare setting

	# In general gcc does not like optimization, and add -O2 where
	# it is safe.  This is especially true for gcc 3.3 + 3.4
	replace-flags -O? -O2

	# gcc 3.3 doesn't support -mtune on numerous archs, so xgcc will fail
	setting="`get-flag mtune`"
	[ ! -z "${setting}" ] && filter-flags -mtune="${setting}"

	# in gcc 3.3 there is a bug on ppc64 where if -mcpu is used
	# the compiler incorrectly assumes the code you are about to build
	# is 32 bit
	use ppc64 && setting="`get-flag mcpu`"
	[ ! -z "${setting}" ] && filter-flags -mcpu="${setting}"

	# only allow the flags that we -know- are supported
	transform_known_flags
	setting="`get-flag march`"
	if [ ! -z "${setting}" ] ; then
		is_arch_allowed "${setting}" || filter-flags -march="${setting}"
	fi
	setting="`get-flag mcpu`"
	if [ ! -z "${setting}" ] ; then
		is_arch_allowed "${setting}" || filter-flags -mcpu="${setting}"
	fi

	# xgcc wont understand gcc 3.4 flags...
	filter-flags -fno-unit-at-a-time
	filter-flags -funit-at-a-time
	filter-flags -fweb
	filter-flags -fno-web
	filter-flags -mno-tls-direct-seg-refs

	# xgcc isnt patched with propolice
	filter-flags -fstack-protector-all
	filter-flags -fno-stack-protector-all
	filter-flags -fstack-protector
	filter-flags -fno-stack-protector

	# xgcc isnt patched with the gcc symbol visibility patch
	filter-flags -fvisibility-inlines-hidden
	filter-flags -fvisibility=hidden

	# Bug #269433 & #290202
	filter-flags -fno-strict-overflow
	filter-flags -fstrict-overflow

	# ...sure, why not?
	strip-unsupported-flags

	strip-flags
}

PATCH_VER="1.8"

DESCRIPTION="Compatibility package for running binaries linked against a pre gcc 3.4 libstdc++"
HOMEPAGE="http://gcc.gnu.org/libstdc++/"
SRC_URI="ftp://gcc.gnu.org/pub/gcc/releases/gcc-${PV}/gcc-${PV}.tar.bz2
	mirror://gentoo/gcc-${PV}-patches-${PATCH_VER}.tar.bz2"

LICENSE="GPL-2 LGPL-2.1"
SLOT="5"
KEYWORDS="~amd64 ~arm ~hppa ~mips ~ppc -ppc64 ~sparc ~x86 ~x86-fbsd"
IUSE="multilib nls"

S=${WORKDIR}/gcc-${PV}

src_unpack() {
	unpack ${A}
	cd "${S}"
	EPATCH_SUFFIX="patch" epatch "${WORKDIR}"/patch
	elibtoolize --portage --shallow
	./contrib/gcc_update --touch
	mkdir -p "${WORKDIR}"/build

	if use multilib && [[ ${SYMLINK_LIB} == "yes" ]] ; then
		# ugh, this shit has to match the way we've hacked gcc else
		# the build falls apart #259215
		sed -i \
			-e 's:\(MULTILIB_OSDIRNAMES = \).*:\1../lib64 ../lib32:' \
			"${S}"/gcc/config/i386/t-linux64 \
			|| die "sed failed!"
	fi
}

src_compile() {
	cd "${WORKDIR}"/build
	do_filter_flags
	ECONF_SOURCE=${S} \
	econf \
		--enable-shared \
		--with-system-zlib \
		--enable-languages=c++ \
		--enable-threads=posix \
		--enable-long-long \
		--disable-checking \
		--enable-cstdio=stdio \
		--enable-__cxa_atexit \
		$(use_enable multilib) \
		$(use_enable nls) \
		$(use_with !nls included-gettext)

	touch "${S}"/gcc/c-gperf.h

	emake all-target-libstdc++-v3 || die
}

src_install() {
	emake -j1 \
		-C "${WORKDIR}"/build \
		DESTDIR="${D}" \
		install-target-libstdc++-v3 || die

	# scrub everything but the library we care about
	pushd "${D}" >/dev/null
	mv usr/lib* . || die
	rm -rf usr
	rm -f lib*/*.{a,la,so} || die
	dodir /usr
	mv lib* usr/ || die
}