I know that the libstdc++v3 is intended to help in the migration to
gcc 3.4. But I also find it usefull to build very small installations
without gcc.
For this reason I have ported the ebuild to gcc 3.4.3. Should I submit
a bug report with it?
Rafael Ávila de Espíndola
# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header:
/var/cvsroot/gentoo-x86/sys-libs/libstdc++-v3/libstdc++-v3-3.3.4.ebuild,v 1.11
2005/02/07 08:25:28 corsair Exp $
inherit eutils flag-o-matic libtool gnuconfig versionator
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}" == "${1}" ] && return 0
done
return 1
}
do_filter_flags() {
declare setting
# In general gcc does not like optimization, and add -O2 where
# it is safe. This is especially true for gcc 3.3 + 3.4
replace-flags -O? -O2
# only allow the flags that we -know- are supported
setting="`get-flag march`"
if [ ! -z "${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="${setting}"
fi
setting="`get-flag mtune`"
if [ ! -z "${setting}" ] ; then
is_arch_allowed "${setting}" || filter-flags -mtune="${setting}"
fi
# 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
}
S=${WORKDIR}/gcc-${PV}
# Theoretical cross compiler support
[ ! -n "${CCHOST}" ] && export CCHOST="${CHOST}"
LOC="/usr"
#MY_PV="`echo ${PV} | awk -F. '{ gsub(/_pre.*|_alpha.*/, ""); print $1 "." $2
}'`"
#MY_PV_FULL="`echo ${PV} | awk '{ gsub(/_pre.*|_alpha.*/, ""); print $0 }'`"
MY_PV="$(get_version_component_range 1-2)"
MY_PV_FULL="$(get_version_component_range 1-3)"
LIBPATH="${LOC}/lib/gcc/${CCHOST}/${MY_PV_FULL}"
BINPATH="${LOC}/${CCHOST}/gcc-bin/${MY_PV}"
DATAPATH="${LOC}/share/gcc-data/${CCHOST}/${MY_PV}"
# Dont install in /usr/include/g++-v3/, but in gcc internal directory.
# We will handle /usr/include/g++-v3/ with gcc-config ...
STDCXX_INCDIR="${LIBPATH}/include/g++-v${MY_PV/\.*/}"
SRC_URI="ftp://gcc.gnu.org/pub/gcc/releases/gcc-${PV}/gcc-${PV}.tar.bz2";
DESCRIPTION="libstdc++ from gcc in case you doesn't want to have gcc installed"
HOMEPAGE="http://gcc.gnu.org/libstdc++/";
LICENSE="GPL-2 LGPL-2.1"
KEYWORDS="~x86"
IUSE="nls build"
# 3.2.3 -> 3.3.x install .so.5, so lets slot to 5
if [ "${CHOST}" == "${CCHOST}" ]
then
SLOT="6"
else
SLOT="${CCHOST}-6"
fi
DEPEND="virtual/libc
!nptl? ( !uclibc? ( >=sys-libs/glibc-2.3.2-r3 ) )
>=sys-devel/binutils-2.14.90.0.6-r1
>=sys-devel/bison-1.875
>=sys-devel/gcc-config-1.3.1
>=sys-devel/gcc-3.3.3_pre20040130
!build? ( >=sys-libs/ncurses-5.2-r2
nls? ( sys-devel/gettext ) )"
RDEPEND="virtual/libc
!nptl? ( !uclibc? ( >=sys-libs/glibc-2.3.2-r3 ) )
>=sys-devel/gcc-config-1.3.1
>=sys-libs/zlib-1.1.4
>=sys-apps/texinfo-4.2-r4
!build? ( >=sys-libs/ncurses-5.2-r2 )"
PDEPEND="sys-devel/gcc-config"
src_unpack() {
unpack ${A}
cd ${S}
# Fixup libtool to correctly generate .la files with portage
elibtoolize --portage --shallow
# Misdesign in libstdc++ (Redhat)
cp -a ${S}/libstdc++-v3/config/cpu/i{4,3}86/atomicity.h
cd ${S}; ./contrib/gcc_update --touch &> /dev/null
gnuconfig_update
}
src_compile() {
local myconf=
if ! use nls || use build
then
myconf="${myconf} --disable-nls"
else
myconf="${myconf} --enable-nls --without-included-gettext"
fi
use amd64 && myconf="${myconf} --disable-multilib"
do_filter_flags
einfo "CFLAGS=\"${CFLAGS}\""
einfo "CXXFLAGS=\"${CXXFLAGS}\""
# Build in a separate build tree
mkdir -p ${WORKDIR}/build
cd ${WORKDIR}/build
einfo "Configuring libstdc++..."
addwrite "/dev/zero"
${S}/configure --prefix=${LOC} \
--bindir=${BINPATH} \
--includedir=${LIBPATH}/include \
--datadir=${DATAPATH} \
--mandir=${DATAPATH}/man \
--infodir=${DATAPATH}/info \
--enable-shared \
--host=${CHOST} \
--target=${CCHOST} \
--with-system-zlib \
--enable-languages=c++ \
--enable-threads=posix \
--enable-long-long \
--disable-checking \
--enable-cstdio=stdio \
--enable-__cxa_atexit \
--enable-version-specific-runtime-libs \
--with-gxx-include-dir=${STDCXX_INCDIR} \
--with-local-prefix=${LOC}/local \
${myconf} || die
touch ${S}/gcc/c-gperf.h
einfo "Compiling libstdc++..."
S="${WORKDIR}/build" \
emake all-target-libstdc++-v3 \
LIBPATH="${LIBPATH}" \
BOOT_CFLAGS="${CFLAGS}" STAGE1_CFLAGS="-O" || die
}
src_install() {
local x=
# Do allow symlinks in ${LOC}/lib/gcc-lib/${CHOST}/${PV}/include as
# this can break the build.
for x in ${WORKDIR}/build/gcc/include/*
do
if [ -L ${x} ]
then
rm -f ${x}
continue
fi
done
# Remove generated headers, as they can cause things to break
# (ncurses, openssl, etc).
for x in `find ${WORKDIR}/build/gcc/include/ -name '*.h'`
do
if grep -q 'It has been auto-edited by fixincludes from' ${x}
then
rm -f ${x}
fi
done
einfo "Installing libstdc++..."
# Do the 'make install' from the build directory
cd ${WORKDIR}/build
S="${WORKDIR}/build" \
make prefix=${LOC} \
bindir=${BINPATH} \
includedir=${LIBPATH}/include \
datadir=${DATAPATH} \
mandir=${DATAPATH}/man \
infodir=${DATAPATH}/info \
DESTDIR="${D}" \
LIBPATH="${LIBPATH}" \
install-target-libstdc++-v3 || die
# we'll move this into a directory we can put at the end of ld.so.conf
# other than the normal versioned directory, so that it doesnt conflict
# with gcc 3.3.3
mkdir -p ${D}/${LOC}/lib/libstdc++-v3/
mv ${D}/${LIBPATH}/lib* ${D}/${LOC}/lib/libstdc++-v3/
# we dont want the headers...
rm -rf ${D}/${LOC}/lib/gcc*
# or locales...
rm -rf ${D}/${LOC}/share
# or anything other than the .so files, really.
find ${D} | grep -e c++.la$ -e c++.a$ | xargs rm -f
# we dont even want the un-versioned .so symlink, as it confuses some
# apps and also causes others to link against the old libstdc++...
rm ${D}/${LOC}/lib/libstdc++-v3/libstdc++.so
# and it's much easier to just move around the result than it is to
# configure libstdc++-v3 to use CONF_LIDIR
if [ "$(get_libdir)" != "lib" ] ; then
mv ${D}/${LOC}/lib ${D}/${LOC}/$(get_libdir)
fi
mkdir -p ${D}/etc/env.d/
echo "LDPATH=\"${LOC}/lib/libstdc++-v3/\"" >> ${D}/etc/env.d/99libstdc++
}
