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# Copyright 1999-2009 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.ebuild,v 1.23 2009/02/16 23:38:47 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="${setting}"
fi
# xgcc wont understand gcc 3.4 flags...
filter-flags -fno-unit-at-a-time
filter-flags -funit-at-a-time
filter-flags -fweb
filter-flags -fno-web
filter-flags -mno-tls-direct-seg-refs
# xgcc isnt patched with propolice
filter-flags -fstack-protector-all
filter-flags -fno-stack-protector-all
filter-flags -fstack-protector
filter-flags -fno-stack-protector
# xgcc isnt patched with the gcc symbol visibility patch
filter-flags -fvisibility-inlines-hidden
filter-flags -fvisibility=hidden
# ...sure, why not?
strip-unsupported-flags
strip-flags
}
PATCH_VER="1.6"
DESCRIPTION="Compatibility package for running binaries linked against a pre gcc 3.4 libstdc++"
HOMEPAGE="http://gcc.gnu.org/libstdc++/"
SRC_URI="ftp://gcc.gnu.org/pub/gcc/releases/gcc-${PV}/gcc-${PV}.tar.bz2
mirror://gentoo/gcc-${PV}-patches-${PATCH_VER}.tar.bz2"
LICENSE="GPL-2 LGPL-2.1"
SLOT="5"
KEYWORDS="amd64 hppa ~mips ppc -ppc64 sparc x86 ~x86-fbsd"
IUSE="multilib nls"
S=${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
}
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) \
$(use_with !nls included-gettext) \
|| die
touch "${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
}
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