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# $Id: PKGBUILD 163138 2016-02-22 12:25:28Z allan $
# Maintainer: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
# Contributor: Jan de Groot <jgc@archlinux.org>
# Contributor: Allan McRae <allan@archlinux.org>
# x32 Maintainer: Fantix King <fantix.king@gmail.com>
# toolchain build order: linux-api-headers->glibc->binutils->gcc->binutils->glibc
# NOTE: valgrind-multilib requires rebuild with each major glibc version
pkgname=libx32-glibc
pkgver=2.23
pkgrel=1.1
_commit=e742928c
pkgdesc="GNU C Library (x32 ABI)"
arch=('x86_64')
url="http://www.gnu.org/software/libc"
license=('GPL' 'LGPL')
groups=()
depends=()
makedepends=('gcc-multilib-x32>=5.2' 'git')
backup=()
conflicts=('glibc-x32-seed')
provides=('glibc-x32-seed')
options=('!strip' 'staticlibs' '!emptydirs')
source=(git://sourceware.org/git/glibc.git#commit=${_commit}
libx32-glibc.conf)
md5sums=('SKIP'
'34a4169d2bdc5a3eb83676a0831aae57')
prepare() {
mkdir glibc-build
}
build() {
cd glibc-build
#if [[ ${CARCH} = "i686" ]]; then
# Hack to fix NPTL issues with Xen, only required on 32bit platforms
# TODO: make separate glibc-xen package for i686
#export CFLAGS="${CFLAGS} -mno-tls-direct-seg-refs"
#fi
if [ -x "/opt/gcc-x32-seed/bin/gcc" ]; then
echo "Using gcc-x32-seed"
gcc_home=`ls -d /opt/gcc-x32-seed/lib/gcc/x86_64-unknown-linux-gnu/*/`
export CC="/opt/gcc-x32-seed/bin/gcc -mx32 -B"${gcc_home}
export CXX="/opt/gcc-x32-seed/bin/g++ -mx32 -B"${gcc_home}
seed_params='--target=x86_64-x32-linux --build=x86_64-linux --host=x86_64-x32-linux'
else
echo "Using gcc-multilib-x32"
export CC="gcc -mx32"
export CXX="g++ -mx32"
seed_params=''
fi
echo "slibdir=/usr/libx32" >> configparms
echo "rtlddir=/usr/libx32" >> configparms
echo "sbindir=/usr/bin" >> configparms
echo "rootsbindir=/usr/bin" >> configparms
# remove hardening options for building libraries
CFLAGS=${CFLAGS/-fstack-protector-strong/}
CPPFLAGS=${CPPFLAGS/-D_FORTIFY_SOURCE=2/}
../glibc/configure --prefix=/usr \
--libdir=/usr/libx32 --libexecdir=/usr/libx32 \
--with-headers=/usr/include \
--with-bugurl=https://bugs.archlinux.org/ \
--enable-add-ons \
--enable-obsolete-rpc \
--enable-kernel=2.6.32 \
--enable-bind-now --disable-profile \
--enable-stackguard-randomization \
--enable-lock-elision \
--enable-multi-arch \
--disable-werror \
${seed_params} \
x86_64-unknown-linux-gnux32
# build libraries with hardening disabled
echo "build-programs=no" >> configparms
make
# re-enable hardening for programs
sed -i "/build-programs=/s#no#yes#" configparms
echo "CC += -fstack-protector-strong -D_FORTIFY_SOURCE=2" >> configparms
echo "CXX += -fstack-protector-strong -D_FORTIFY_SOURCE=2" >> configparms
make
# remove harding in preparation to run test-suite
sed -i '/FORTIFY/d' configparms
}
check() {
cd glibc-build
if [ -x "/opt/gcc-x32-seed/bin/gcc" ]; then
make check || true
else
# some failures are "expected"
make check || true
fi
}
package() {
cd glibc-build
make install_root=${pkgdir} install
rm -rf ${pkgdir}/{etc,sbin,usr/{bin,sbin,share},var}
# We need to keep x32 ABI specific header files
find ${pkgdir}/usr/include -type f -not -name '*-x32.h' -delete
# Dynamic linker
mkdir ${pkgdir}/usr/lib
ln -s ../libx32/ld-linux-x32.so.2 ${pkgdir}/usr/lib/
# Add libx32 paths to the default library search path
install -Dm644 "$srcdir/libx32-glibc.conf" "$pkgdir/etc/ld.so.conf.d/libx32-glibc.conf"
# Symlink /usr/libx32/locale to /usr/lib/locale
ln -s ../lib/locale "$pkgdir/usr/libx32/locale"
# remove the static libraries that have a shared counterpart
# libc, libdl, libm and libpthread are required for toolchain testsuites
# in addition libcrypt appears widely required
rm $pkgdir/usr/libx32/lib{anl,BrokenLocale,nsl,resolv,rt,util}.a
# Do not strip the following files for improved debugging support
# ("improved" as in not breaking gdb and valgrind...):
# ld-${pkgver}.so
# libc-${pkgver}.so
# libpthread-${pkgver}.so
# libthread_db-1.0.so
cd $pkgdir
strip $STRIP_BINARIES \
\
\
usr/libx32/getconf/*
strip $STRIP_STATIC usr/libx32/*.a
strip $STRIP_SHARED usr/libx32/lib{anl,BrokenLocale,cidn,crypt}-*.so \
usr/libx32/libnss_{compat,db,dns,files,hesiod,nis,nisplus}-*.so \
usr/libx32/lib{dl,m,nsl,resolv,rt,util}-*.so \
usr/libx32/lib{memusage,pcprofile,SegFault}.so \
usr/libx32/{audit,gconv}/*.so || true
# Fix issue that core/glibc didn't fix the path to /lib/ld-linux-x32.so.2
ln -s /usr/lib ${pkgdir}/libx32
}
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