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# $Id: PKGBUILD 78834 2012-10-25 13:03:04Z heftig $
# Upstream Maintainer: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
# Contributor: Jan de Groot <jgc@archlinux.org>
# Contributor: Allan McRae <allan@archlinux.org>
# Maintainer: Fantix King <fantix.king at gmail.com>
# toolchain build order: linux-api-headers->glibc->binutils->gcc->binutils->glibc
# NOTE: valgrind requires rebuilt with each major glibc version
_pkgbasename=glibc
pkgname=libx32-$_pkgbasename
pkgver=2.16.0
pkgrel=5.1
pkgdesc="GNU C Library for x32 ABI"
arch=('x86_64')
url="http://www.gnu.org/software/libc"
license=('GPL' 'LGPL')
makedepends=('gcc-multilib-x32>=4.7')
conflicts=('glibc-x32-seed')
options=('!strip' '!emptydirs')
source=(http://ftp.gnu.org/gnu/libc/${_pkgbasename}-${pkgver}.tar.xz{,.sig}
glibc-2.15-fix-res_query-assert.patch
glibc-2.16-unlock-mutex.patch
glibc-2.16-rpcgen-cpp-path.patch
glibc-2.16-strncasecmp-segfault.patch
glibc-2.16-strtod-overflow.patch
glibc-2.16-detect-fma.patch
glibc-2.16-glob-use-size_t.patch
libx32-glibc.conf)
md5sums=('80b181b02ab249524ec92822c0174cf7'
'2a1221a15575820751c325ef4d2fbb90'
'31f415b41197d85d3bbee3d1eecd06a3'
'0afcd8c6020d61684aba63ed5f26bd91'
'ea6a43915474e8276e9361eed6a01280'
'f042d37cc8ca3459023431809039bc88'
'61d322f7681a85d3293ada5c3ccc2c7e'
'2426f593bc43f5499c41d21b57ee0e30'
'a441353901992feda4b15a11a20140a1'
'34a4169d2bdc5a3eb83676a0831aae57')
build() {
cd ${srcdir}/${_pkgbasename}-${pkgver}
# fix res_query assertion
# http://sourceware.org/bugzilla/show_bug.cgi?id=13013
patch -p1 -i ${srcdir}/glibc-2.15-fix-res_query-assert.patch
# prevent hang by locked mutex
# http://sourceware.org/git/?p=glibc.git;a=patch;h=c30e8edf
patch -p1 -i ${srcdir}/glibc-2.16-unlock-mutex.patch
# prevent need for /lib/cpp symlink
# http://sourceware.org/git/?p=glibc.git;a=commit;h=bf9b740a
patch -p1 -i ${srcdir}/glibc-2.16-rpcgen-cpp-path.patch
# strncasecmp segfault on i686
# http://sourceware.org/git/?p=glibc.git;a=commit;h=6db8f737
patch -p1 -i ${srcdir}/glibc-2.16-strncasecmp-segfault.patch
# strtod integer/buffer overflow
# http://sourceware.org/git/?p=glibc.git;a=commit;h=da1f4319
patch -p1 -i ${srcdir}/glibc-2.16-strtod-overflow.patch
# detect FMA supprt
# http://sourceware.org/git/?p=glibc.git;a=commit;h=a5cfcf08
patch -p1 -i ${srcdir}/glibc-2.16-detect-fma.patch
# prevent overflow in globc
# http://sourceware.org/git/?p=glibc.git;a=commit;h=6c62f108
patch -p1 -i ${srcdir}/glibc-2.16-glob-use-size_t.patch
# ldconfig does not need to look in /usr/lib64 or /usr/libx32 on Arch Linux
sed -i "s#add_system_dir#do_not_add_system_dir#" sysdeps/unix/sysv/linux/x86_64/dl-cache.h
cd ${srcdir}
mkdir glibc-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"
export CC="/opt/gcc-x32-seed/bin/gcc -mx32 -B/opt/gcc-x32-seed/lib/gcc/x86_64-unknown-linux-gnu/4.7.1/"
export CXX="/opt/gcc-x32-seed/bin/cpp -mx32 -B/opt/gcc-x32-seed/lib/gcc/x86_64-unknown-linux-gnu/4.7.1/"
else
echo "Using gcc-multilib-x32"
export CC="gcc -mx32"
export CXX="g++ -mx32"
fi
echo "slibdir=/usr/libx32" >> configparms
# remove hardening options from CFLAGS for building libraries
CFLAGS=${CFLAGS/-fstack-protector/}
CFLAGS=${CFLAGS/-D_FORTIFY_SOURCE=2/}
${srcdir}/${_pkgbasename}-${pkgver}/configure --prefix=/usr \
--libdir=/usr/libx32 --libexecdir=/usr/libx32 \
--with-headers=/usr/include \
--enable-add-ons=nptl,libidn \
--enable-obsolete-rpc \
--enable-kernel=2.6.32 \
--enable-bind-now --disable-profile \
--enable-stackguard-randomization \
--target=x86_64-x32-linux --build=x86_64-linux --host=x86_64-x32-linux \
--enable-multi-arch x86_64-x32-linux
# 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 -D_FORTIFY_SOURCE=2" >> configparms
echo "CXX += -fstack-protector -D_FORTIFY_SOURCE=2" >> configparms
make
# remove harding in preparation to run test-suite
sed -i '2,4d' configparms
}
check() {
cd ${srcdir}/glibc-build
make check
}
package() {
cd ${srcdir}/glibc-build
make install_root=${pkgdir} install
rm -rf ${pkgdir}/{etc,sbin,usr/{bin,sbin,share},var}
# We need one 32 bit specific header file
find ${pkgdir}/usr/include -type f -not -name stubs-x32.h -delete
# Do not strip the following files for improved debugging support
# ("improved" as in not breaking gdb and valgrind...):
# ld-${pkgver}.so
# libc-${pkgver}.so
# libpthread-${pkgver}.so
# libthread_db-1.0.so
cd $pkgdir
strip $STRIP_BINARIES usr/libx32/getconf/* || true
strip $STRIP_STATIC usr/libx32/*.a
strip $STRIP_SHARED usr/libx32/{libanl,libBrokenLocale,libcidn,libcrypt}-*.so \
usr/libx32/libnss_{compat,db,dns,files,hesiod,nis,nisplus}-*.so \
usr/libx32/{libdl,libm,libnsl,libresolv,librt,libutil}-*.so \
usr/libx32/{libmemusage,libpcprofile,libSegFault}.so \
usr/libx32/{pt_chown,{audit,gconv}/*.so}
# 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"
# 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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