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# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id: b37d820ef50ca30c6bccc25b0ac72039cb1f4026 $
EAPI="5"
PATCH_VER="1.0"
UCLIBC_VER="1.0"
# Hardened gcc 4 stuff
PIE_VER="0.6.4"
SPECS_VER="0.2.0"
SPECS_GCC_VER="4.4.3"
# arch/libc configurations known to be stable with {PIE,SSP}-by-default
PIE_GLIBC_STABLE="x86 amd64 mips ppc ppc64 arm ia64"
PIE_UCLIBC_STABLE="x86 arm amd64 mips ppc ppc64"
SSP_STABLE="amd64 x86 mips ppc ppc64 arm"
# uclibc need tls and nptl support for SSP support
# uclibc need to be >= 0.9.33
SSP_UCLIBC_STABLE="x86 amd64 mips ppc ppc64 arm"
#end Hardened stuff
inherit eutils toolchain
KEYWORDS="alpha amd64 arm arm64 hppa ia64 m68k ~mips ppc ppc64 s390 sh sparc x86 ~amd64-fbsd ~x86-fbsd"
RDEPEND=""
DEPEND="${RDEPEND}
elibc_glibc? ( >=sys-libs/glibc-2.8 )
>=${CATEGORY}/binutils-2.20"
if [[ ${CATEGORY} != cross-* ]] ; then
PDEPEND="${PDEPEND} elibc_glibc? ( >=sys-libs/glibc-2.8 )"
fi
src_prepare() {
if has_version '<sys-libs/glibc-2.12' ; then
ewarn "Your host glibc is too old; disabling automatic fortify."
ewarn "Please rebuild gcc after upgrading to >=glibc-2.12 #362315"
EPATCH_EXCLUDE+=" 10_all_default-fortify-source.patch"
fi
toolchain_src_prepare
use vanilla && return 0
# Use -r1 for newer piepatchet that use DRIVER_SELF_SPECS for the hardened specs.
[[ ${CHOST} == ${CTARGET} ]] && epatch "${FILESDIR}"/gcc-spec-env-r1.patch
if [[ "${ARCH}" == "amd64" ]]; then
local LD32="$( get_abi_LIBDIR x86 )"
local LDx32="$( get_abi_LIBDIR x32 )"
local LD64="$( get_abi_LIBDIR amd64 )"
sed -i \
-e "/^#define GLIBC_DYNAMIC_LINKER32/{s:/lib/:/${LD32:-lib}/:}" \
-e "/^#define GLIBC_DYNAMIC_LINKERX32/{s:/libx32/:/${LDx32:-libx32}/:}" \
-e "/^#define GLIBC_DYNAMIC_LINKER64/{s:/lib64/:/${LD64:-lib64}/:}" \
gcc/config/i386/linux64.h \
|| die 'LIBDIR replacement failed'
einfo "Using the following LIBDIR defines:"
tail -n 3 gcc/config/i386/linux64.h
sed -i \
-e "/^MULTILIB_OSDIRNAMES[+ ]= m64=/{s:=../lib64$:=../${LD64:-lib64}:}" \
-e "/^MULTILIB_OSDIRNAMES[+ ]= m32=/{s:=../lib$:=../${LD32:-lib}:}" \
-e "/^MULTILIB_OSDIRNAMES[+ ]= mx32=/{s:=../libx32$:=../${LDx32:-libx32}:}" \
gcc/config/i386/t-linux64 \
|| die 'DIRNAMES replacement failed'
einfo "Using the following DIRNAMES defines:"
tail -n 3 gcc/config/i386/t-linux64
sed -i \
-e "/^const char \*__gnat_default_libgcc_subdir = \"libx32\";$/{s:\"libx32\":\"${LDx32:-libx32}\":}" \
gcc/ada/link.c \
|| die 'ADA replacement failed'
fi
}
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