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gnatbuild-r1.eclass
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gnatbuild-r1.eclass
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# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
#
# Author: George Shapovalov <[email protected]>
# Author: Steve Arnold <[email protected]>
# Belongs to: ada project <[email protected]>
#
# Notes:
# HOMEPAGE and LICENSE are set in appropriate ebuild, as
# gnat is developed by FSF and AdaCore "in parallel"
#
# The following vars can be set in ebuild before inheriting this eclass. They
# will be respected:
# SLOT
# BOOT_SLOT - where old bootstrap is used as it works fine for 4.4 - 4.6
#WANT_AUTOMAKE="1.8"
#WANT_AUTOCONF="2.1"
inherit eutils fixheadtails flag-o-matic gnuconfig libtool multilib pax-utils toolchain-funcs versionator
FEATURES=${FEATURES/multilib-strict/}
EXPORTED_FUNCTIONS="pkg_setup pkg_postinst pkg_postrm src_unpack src_configure src_compile src_install"
EXPORT_FUNCTIONS ${EXPORTED_FUNCTIONS}
IUSE="nls openmp hardened multilib"
# multilib is supported via profiles now, multilib usevar is deprecated
RDEPEND="virtual/libiconv
nls? ( virtual/libintl )"
DEPEND="${RDEPEND}
>=app-eselect/eselect-gnat-1.5
>=sys-libs/glibc-2.12
>=sys-devel/binutils-2.23
sys-devel/bc
>=sys-devel/bison-1.875
>=sys-devel/flex-2.5.4
nls? ( sys-devel/gettext )"
# Note!
# It may not be safe to source this at top level. Only source inside local
# functions!
GnatCommon="/usr/share/gnat/lib/gnat-common.bash"
#---->> globals and SLOT <<----
# just a check, this location seems to vary too much, easier to track it in
# ebuild
#[ -z "${GNATSOURCE}" ] && die "please set GNATSOURCE in ebuild! (before inherit)"
# versioning
# because of gnatpro/gnatgpl we need to track both gcc and gnat versions
# these simply default to $PV
GNATMAJOR=$(get_version_component_range 1)
GNATMINOR=$(get_version_component_range 2)
GNATBRANCH=$(get_version_component_range 1-2)
GNATRELEASE=$(get_version_component_range 1-3)
# this one is for the gnat-gpl which is versioned by gcc backend and ACT version
# number added on top
ACT_Ver=$(get_version_component_range 4)
# GCCVER and SLOT logic
#
# I better define vars for package names, as there was discussion on proper
# naming and it may change
PN_GnatGCC="gnat-gcc"
PN_GnatGpl="gnat-gpl"
# ATTN! GCCVER stands for the provided backend gcc, not the one on the system
# so tc-* functions are of no use here. The present versioning scheme makes
# GCCVER basically a part of PV, but *this may change*!!
#
# GCCVER can be set in the ebuild.
[[ -z ${GCCVER} ]] && GCCVER="${GNATRELEASE}"
# finally extract GCC version strings
GCCMAJOR=$(get_version_component_range 1 "${GCCVER}")
GCCMINOR=$(get_version_component_range 2 "${GCCVER}")
GCCBRANCH=$(get_version_component_range 1-2 "${GCCVER}")
GCCRELEASE=$(get_version_component_range 1-3 "${GCCVER}")
# SLOT logic, make it represent gcc backend, as this is what matters most
# There are some special cases, so we allow it to be defined in the ebuild
# ATTN!! If you set SLOT in the ebuild, don't forget to make sure that
# BOOT_SLOT is also set properly!
[[ -z ${SLOT} ]] && SLOT="${GCCBRANCH}"
# possible future crosscompilation support
export CTARGET=${CTARGET:-${CHOST}}
is_crosscompile() {
[[ ${CHOST} != ${CTARGET} ]]
}
# Bootstrap CTARGET and SLOT logic. For now BOOT_TARGET=CHOST is "guaranteed" by
# profiles, so mostly watch out for the right SLOT used in the bootstrap.
# As above, with SLOT, it may need to be defined in the ebuild
BOOT_TARGET=${CTARGET}
[[ -z ${BOOT_SLOT} ]] && BOOT_SLOT=${SLOT}
# for newer bootstrap starting with 4.9 (still experimental)
BOOT_VER=${GCCRELEASE}
# set our install locations
PREFIX=${GNATBUILD_PREFIX:-/usr} # not sure we need this hook, but may be..
LIBPATH=${PREFIX}/$(get_libdir)/${PN}/${CTARGET}/${SLOT}
LIBEXECPATH=${PREFIX}/libexec/${PN}/${CTARGET}/${SLOT}
INCLUDEPATH=${LIBPATH}/include
BINPATH=${PREFIX}/${CTARGET}/${PN}-bin/${SLOT}
DATAPATH=${PREFIX}/share/${PN}-data/${CTARGET}/${SLOT}
# ATTN! the one below should match the path defined in eselect-gnat module
CONFIG_PATH="/usr/share/gnat/eselect"
gnat_profile="${CTARGET}-${PN}-${SLOT}"
gnat_config_file="${CONFIG_PATH}/${gnat_profile}"
# ebuild globals
if [[ ${PN} == "${PN_GnatPro}" ]] && [[ ${GNATMAJOR} == "3" ]]; then
DEPEND="x86? ( >=app-shells/tcsh-6.0 )"
fi
S="${WORKDIR}/gcc-${GCCVER}"
# bootstrap globals, common to src_unpack and src_compile
GNATBOOT="${WORKDIR}/usr"
GNATBUILD="${WORKDIR}/build"
#GNATBUILD="${BUILD_DIR}"
# necessary for detecting lib locations and creating env.d entry
#XGCC="${GNATBUILD}/gcc/xgcc -B${GNATBUILD}/gcc"
#----<< globals and SLOT >>----
# set SRC_URI's in ebuilds for now
#----<< global toolchain vars >>----
: ${TARGET_ABI:=${ABI}}
: ${TARGET_MULTILIB_ABIS:=${MULTILIB_ABIS}}
: ${TARGET_DEFAULT_ABI:=${DEFAULT_ABI}}
#---->> specs + env.d logic <<----
# TODO!!!
# set MANPATH, etc..
#----<< specs + env.d logic >>----
#---->> some helper functions <<----
tc_version_is_at_least() {
version_is_at_least "$1" "${2:-${GCCBRANCH}}"
}
guess_patch_type_in_dir() {
[[ -n $(ls "$1"/*.bz2 2>/dev/null) ]] \
&& EPATCH_SUFFIX="patch.bz2" \
|| EPATCH_SUFFIX="patch"
}
# configure to build with the hardened GCC specs as the default
make_gcc_hard() {
# we want to be able to control the pie patch logic via something other
# than ALL_CFLAGS...
sed -e '/^ALL_CFLAGS/iHARD_CFLAGS = ' \
-e 's|^ALL_CFLAGS = |ALL_CFLAGS = $(HARD_CFLAGS) |' \
-i "${S}"/gcc/Makefile.in
# Need to add HARD_CFLAGS to ALL_CXXFLAGS on >= 4.7
if tc_version_is_at_least 4.7 ; then
sed -e '/^ALL_CXXFLAGS/iHARD_CFLAGS = ' \
-e 's|^ALL_CXXFLAGS = |ALL_CXXFLAGS = $(HARD_CFLAGS) |' \
-i "${S}"/gcc/Makefile.in
fi
# defaults to enable for new gnatbuild
if use hardened ; then
gcc_hard_flags=" -DEFAULT_PIE_SSP"
else
gcc_hard_flags+=" -DEFAULT_SSP"
fi
sed -i \
-e "/^HARD_CFLAGS = /s|=|= ${gcc_hard_flags} |" \
"${S}"/gcc/Makefile.in || die
}
gcc-multilib-configure() {
if ! is_multilib ; then
confgcc="${confgcc} --disable-multilib"
# Fun times: if we are building for a target that has multiple
# possible ABI formats, and the user has told us to pick one
# that isn't the default, then not specifying it via the list
# below will break that on us.
else
confgcc="${confgcc} --enable-multilib"
fi
# translate our notion of multilibs into gcc's
local abi list
for abi in $(get_all_abis TARGET) ; do
local l=$(gcc-abi-map ${abi})
[[ -n ${l} ]] && list+=",${l}"
done
if [[ -n ${list} ]] ; then
case ${CTARGET} in
x86_64*)
tc_version_is_at_least 4.8 && confgcc="${confgcc} --with-multilib-list=${list:1}"
;;
esac
fi
}
gcc-abi-map() {
# Convert the ABI name we use in Gentoo to what gcc uses
local map=()
case ${CTARGET} in
mips*) map=("o32 32" "n32 n32" "n64 64") ;;
x86_64*) map=("amd64 m64" "x86 m32" "x32 mx32") ;;
esac
local m
for m in "${map[@]}" ; do
l=( ${m} )
[[ $1 == ${l[0]} ]] && echo ${l[1]} && break
done
}
is_multilib() {
tc_version_is_at_least 3 || return 1
use multilib
}
## note: replaced with minspecs (sort of)
#create_specs_file() {
# einfo "Creating a vanilla gcc specs file"
# "${WORKDIR}"/build/gcc/xgcc -dumpspecs > "${WORKDIR}"/build/vanilla.specs
#}
# eselect stuff taken straight from toolchain.eclass and greatly simplified
add_profile_eselect_conf() {
local gnat_config_file=$1
local abi=$2
local var
echo >> "${D}/${gnat_config_file}"
if ! is_multilib ; then
echo " ctarget=${CTARGET}" >> "${D}/${gnat_config_file}"
else
echo "[${abi}]" >> "${D}/${gnat_config_file}"
var="CTARGET_${abi}"
if [[ -n ${!var} ]] ; then
echo " ctarget=${!var}" >> "${D}/${gnat_config_file}"
else
var="CHOST_${abi}"
if [[ -n ${!var} ]] ; then
echo " ctarget=${!var}" >> "${D}/${gnat_config_file}"
else
echo " ctarget=${CTARGET}" >> "${D}/${gnat_config_file}"
fi
fi
fi
var="CFLAGS_${abi}"
if [[ -n ${!var} ]] ; then
echo " cflags=${!var}" >> "${D}/${gnat_config_file}"
fi
}
create_eselect_conf() {
local abi
dodir ${CONFIG_PATH}
echo "[global]" > "${D}/${gnat_config_file}"
echo " version=${CTARGET}-${SLOT}" >> "${D}/${gnat_config_file}"
echo " binpath=${BINPATH}" >> "${D}/${gnat_config_file}"
echo " libexecpath=${LIBEXECPATH}" >> "${D}/${gnat_config_file}"
echo " ldpath=${LIBPATH}" >> "${D}/${gnat_config_file}"
echo " manpath=${DATAPATH}/man" >> "${D}/${gnat_config_file}"
echo " infopath=${DATAPATH}/info" >> "${D}/${gnat_config_file}"
echo " bin_prefix=${CTARGET}" >> "${D}/${gnat_config_file}"
for abi in $(get_all_abis) ; do
add_profile_eselect_conf "${gnat_config_file}" "${abi}"
done
}
should_we_eselect_gnat() {
# we only want to switch compilers if installing to / or /tmp/stage1root
[[ ${ROOT} == "/" ]] || return 1
# if the current config is invalid, we definitely want a new one
# Note: due to bash quirkiness, the following must not be 1 line
local curr_config
curr_config=$(eselect --colour=no gnat show | grep ${CTARGET} | awk '{ print $1 }') || return 0
[[ -z ${curr_config} ]] && return 0
# The logic is basically "try to keep the same profile if possible"
if [[ ${curr_config} == ${CTARGET}-${PN}-${SLOT} ]] ; then
return 0
else
elog "The current gcc config appears valid, so it will not be"
elog "automatically switched for you. If you would like to"
elog "switch to the newly installed gcc version, do the"
elog "following:"
echo
elog "eselect gnat set <profile>"
echo
ebeep
return 1
fi
}
# active compiler selection, called from pkg_postinst
do_gnat_config() {
eselect gnat set ${CTARGET}-${PN}-${SLOT} &> /dev/null
elog "The following gnat profile has been activated:"
elog "${CTARGET}-${PN}-${SLOT}"
elog ""
elog "The compiler has been installed as gnatgcc, and the coverage testing"
elog "tool as gnatgcov."
elog ""
elog "Ada handling in Gentoo allows you to have multiple gnat variants"
elog "installed in parallel and automatically manage Ada libs."
elog "Please take a look at the Ada project page for some documentation:"
elog "http://www.gentoo.org/proj/en/prog_lang/ada/index.xml"
}
# Taken straight from the toolchain.eclass. Only removed the "obsolete hunk"
#
# The purpose of this DISGUSTING gcc multilib hack is to allow 64bit libs
# to live in lib instead of lib64 where they belong, with 32bit libraries
# in lib32. This hack has been around since the beginning of the amd64 port,
# and we're only now starting to fix everything that's broken. Eventually
# this should go away.
#
# Travis Tilley <[email protected]> (03 Sep 2004)
#
disgusting_gcc_multilib_HACK() {
local config
local libdirs
if has_multilib_profile ; then
case $(tc-arch) in
amd64)
config="i386/t-linux64"
libdirs="../$(get_abi_LIBDIR amd64) ../$(get_abi_LIBDIR x86)" \
;;
ppc64)
config="rs6000/t-linux64"
libdirs="../$(get_abi_LIBDIR ppc64) ../$(get_abi_LIBDIR ppc)" \
;;
esac
else
die "Your profile is no longer supported by portage."
fi
einfo "updating multilib directories to be: ${libdirs}"
sed -i -e "s:^MULTILIB_OSDIRNAMES.*:MULTILIB_OSDIRNAMES = ${libdirs}:" "${S}"/gcc/config/${config}
}
#---->> pkg_* <<----
gnatbuild-r1_pkg_setup() {
debug-print-function ${FUNCNAME} $@
# Setup variables which would normally be in the profile
if is_crosscompile ; then
multilib_env ${CTARGET}
fi
# we dont want to use the installed compiler's specs to build gnat!
unset GCC_SPECS
unset LANGUAGES #265283
}
gnatbuild-r1_pkg_postinst() {
if should_we_eselect_gnat; then
do_gnat_config
else
eselect gnat update
fi
# if primary compiler list is empty, add this profile to the list, so
# that users are not left without active compilers (making sure that
# libs are getting built for at least one)
elog
. ${GnatCommon} || die "failed to source common code"
if [[ ! -f ${PRIMELIST} ]] || [[ ! -s ${PRIMELIST} ]]; then
echo "${gnat_profile}" > ${PRIMELIST}
elog "The list of primary compilers was empty and got assigned ${gnat_profile}."
fi
elog "Please edit ${PRIMELIST} and list there gnat profiles intended"
elog "for common use."
}
gnatbuild-r1_pkg_postrm() {
# "eselect gnat update" now removes the env.d file if the corresponding
# gnat profile was unmerged
eselect gnat update
elog "If you just unmerged the last gnat in this SLOT, your active gnat"
elog "profile got unset. Please check what eselect gnat show tells you"
elog "and set the desired profile"
}
#---->> pkg_* <<----
#---->> src_* <<----
# common unpack stuff
gnatbuild-r1_src_unpack() {
debug-print-function ${FUNCNAME} $@
[ -z "$1" ] && gnatbuild-r1_src_unpack all
while [ "$1" ]; do
case $1 in
base_unpack)
unpack ${A}
pax-mark E $(find ${GNATBOOT} -name gnat1)
cd "${S}"
# patching gcc sources, following the toolchain
# first, the common patches
guess_patch_type_in_dir "${WORKDIR}"/patch
EPATCH_MULTI_MSG="Applying common Gentoo patches ..." \
epatch "${WORKDIR}"/patch
guess_patch_type_in_dir "${WORKDIR}"/piepatch
EPATCH_MULTI_MSG="Applying Gentoo PIE patches ..." \
epatch "${WORKDIR}"/piepatch
if [[ -d "${FILESDIR}"/patches ]] && [[ ! -z $(ls "${FILESDIR}"/patches/*.patch 2>/dev/null) ]] ; then
EPATCH_MULTI_MSG="Applying local Gentoo patches ..." \
epatch "${FILESDIR}"/patches/*.patch
fi
#
# then per SLOT
if [[ -d "${FILESDIR}"/patches/${SLOT} ]] && [[ ! -z $(ls "${FILESDIR}"/patches/${SLOT}/*.patch 2>/dev/null) ]] ; then
EPATCH_MULTI_MSG="Applying SLOT-specific Gentoo patches ..." \
epatch "${FILESDIR}"/patches/${SLOT}/*.patch
fi
# add hardening as per toolchain eclass
make_gcc_hard
# Replacing obsolete head/tail with POSIX compliant ones
ht_fix_file */configure
# if ! is_crosscompile && is_multilib && \
# [[ ( $(tc-arch) == "amd64" || $(tc-arch) == "ppc64" ) && -z ${SKIP_MULTILIB_HACK} ]] ; then
# disgusting_gcc_multilib_HACK || die "multilib hack failed"
# fi
# Fixup libtool to correctly generate .la files with portage
cd "${S}"
elibtoolize --portage --shallow --no-uclibc
gnuconfig_update
# update configure files
einfo "Fixing misc issues in configure files"
for f in $(grep -l 'autoconf version 2.13' $(find "${S}" -name configure)) ; do
ebegin " Updating ${f}"
patch "${f}" "${FILESDIR}"/gcc-configure-LANG.patch >& "${T}"/configure-patch.log \
|| eerror "Please file a bug about this"
eend $?
done
# apply global slot/path patch
EPATCH_MULTI_MSG="Adjusting default paths for gnat-gcc ..." \
epatch "${FILESDIR}"/${PN}-4.9.3-make-default-paths-match-slot.patch
sed -i -e "s|SLOT_MARKER|${BOOT_SLOT}|" "${S}"/gcc/Makefile.in
[[ ${CHOST} == ${CTARGET} ]] && epatch "${FILESDIR}"/gcc-spec-env-r1.patch
# this is only needed for gnat-gpl-4.1 and breaks for gnat-gcc, so
# this block was moved to corresponding ebuild
# pushd "${S}"/gnattools &> /dev/null
# eautoconf
# popd &> /dev/null
;;
common_prep)
# Prepare the gcc source directory
cd "${S}/gcc"
touch cstamp-h.in
touch ada/[es]info.h
touch ada/nmake.ad[bs]
# set the compiler name to gnatgcc
for i in `find ada/ -name '*.ad[sb]'`; do \
sed -i -e "s/\"gcc\"/\"gnatgcc\"/g" ${i}; \
done
# add -fPIC flag to shared libs for 3.4* backend
if [ "3.4" == "${GCCBRANCH}" ] ; then
cd ada
epatch "${FILESDIR}"/gnat-Make-lang.in.patch
fi
# gcc 4.3 sources seem to have a common omission of $(DESTDIR),
# that leads to make install trying to rm -f file on live system.
# As we do not need this rm, we simply remove the whole line
if [ "4.3" == "${GCCBRANCH}" ] ; then
sed -i -e "/\$(RM) \$(bindir)/d" "${S}"/gcc/ada/Make-lang.in
fi
find "${S}" -name Makefile.in \
-exec sed -i '/^pkgconfigdir/s:=.*:=$(toolexeclibdir)/pkgconfig:' {} +
mkdir -p "${GNATBUILD}"
;;
all)
gnatbuild-r1_src_unpack base_unpack common_prep
;;
esac
shift
done
}
# for now just dont run default configure
gnatbuild-r1_src_configure() {
:
}
# it would be nice to split configure and make steps
# but both need to operate inside specially tuned evironment
# so just do sections for now (as in eclass section of handbook)
# sections are: configure, make-tools, bootstrap,
# gnatlib_and_tools, gnatlib-shared
gnatbuild-r1_src_compile() {
debug-print-function ${FUNCNAME} $@
if [[ -z "$1" ]]; then
gnatbuild-r1_src_compile all
return $?
fi
if [[ "all" == "$1" ]]
then # specialcasing "all" to avoid scanning sources unnecessarily
gnatbuild-r1_src_compile configure make-tools \
bootstrap gnatlib_and_tools gnatlib-shared
else
# Set some paths to our bootstrap compiler.
export PATH="${GNATBOOT}/bin:${PATH}"
# !ATTN! the bootstrap compilers have a very simplystic structure,
# so many paths are not identical to the installed ones.
# Plus it was simplified even more in new releases.
if [[ ${BOOT_SLOT} > 4.1 ]] ; then
case $(tc-arch) in
arm)
GNATLIB="${GNATBOOT}/lib/gcc/${BOOT_TARGET}/${BOOT_SLOT}"
;;
x86|amd64)
GNATLIB="${GNATBOOT}/lib/gcc/${BOOT_TARGET}/${BOOT_VER}"
;;
*)
GNATLIB="${GNATBOOT}/lib"
;;
esac
else
GNATLIB="${GNATBOOT}/lib/gnatgcc/${BOOT_TARGET}/${BOOT_SLOT}"
fi
export CC="${GNATBOOT}/bin/gnatgcc"
export CXX="${GNATBOOT}/bin/gnatg++"
export LDFLAGS="${LDFLAGS}"
export CFLAGS="${CFLAGS}"
export CXXFLAGS="${CFLAGS}"
# CPATH is supposed to be applied for any language, thus
# superceding either of C/CPLUS/OBJC_INCLUDE_PATHs
export CPATH="${GNATLIB}/include"
LIB_DIR="${GNATLIB}"
LDFLAGS="${LDFLAGS} -L${GNATLIB}"
# additional vars from gnuada and elsewhere
export LIBRARY_PATH="${GNATLIB}"
STDCXX_INCDIR="${LIBPATH}/include/g++-v${SLOT/\.*/}"
export ADA_OBJECTS_PATH="${GNATLIB}/adalib"
export ADA_INCLUDE_PATH="${GNATLIB}/adainclude"
while [ "$1" ]; do
case $1 in
configure)
debug-print-section configure
# Configure gcc
local confgcc
confgcc="${confgcc} --host=${CHOST}"
# some cross-compile logic from toolchain
if is_crosscompile || tc-is-cross-compiler ; then
confgcc="${confgcc} --target=${CTARGET}"
fi
[[ -n ${CBUILD} ]] && confgcc="${confgcc} --build=${CBUILD}"
# Native Language Support
if use nls ; then
confgcc="${confgcc} --enable-nls --without-included-gettext"
else
confgcc="${confgcc} --disable-nls"
fi
if tc_version_is_at_least 4.6 ; then
confgcc="${confgcc} --enable-lto"
else
confgcc="${confgcc} --disable-lto"
fi
# setup multilib abi stuff
gcc-multilib-configure
use hardened && confgcc="${confgcc} --enable-esp"
# reasonably sane globals (from toolchain)
# also disable mudflap and ssp
confgcc="${confgcc} \
--enable-languages="c,ada,c++" \
--with-gcc \
--with-system-zlib \
--enable-obsolete \
--enable-secureplt \
--disable-werror \
--enable-checking=release \
--enable-libstdcxx-time \
--disable-libmudflap \
--disable-libssp \
--disable-altivec \
--disable-fixed-point \
--disable-libgcj \
--disable-libcilkrts \
--disable-libquadmath \
--enable-libsanitizer \
--enable-targets=all \
--with-bugurl=https://bugs.gentoo.org/ \
--with-python-dir=${DATAPATH/$PREFIX/}/python"
if in_iuse openmp ; then
# Make sure target has pthreads support. #326757 #335883
# There shouldn't be a chicken&egg problem here as openmp won't
# build without a C library, and you can't build that w/out
# already having a compiler ...
if ! is_crosscompile || \
$(tc-getCPP ${CTARGET}) -E - <<<"#include <pthread.h>" >& /dev/null
then
case $(tc-arch) in
arm)
confgcc="${confgcc} --disable-libgomp"
;;
*)
if use openmp ; then
confgcc="${confgcc} --enable-libgomp"
else
confgcc="${confgcc} --disable-libgomp"
fi
;;
esac
else
# Force disable as the configure script can be dumb #359855
confgcc="${confgcc} --disable-libgomp"
fi
else
# For gcc variants where we don't want openmp (e.g. kgcc)
confgcc="${confgcc} --disable-libgomp"
fi
# ACT's gnat-gpl does not like libada for whatever reason..
if tc_version_is_at_least 4.2 ; then
confgcc="${confgcc} --enable-libada"
# else
# einfo "ACT's gnat-gpl does not like libada, disabling"
# confgcc="${confgcc} --disable-libada"
fi
# set some specifics available in later versions
confgcc="${confgcc} --enable-shared"
if tc_version_is_at_least 4.7 ; then
einfo "setting gnat thread model"
confgcc="${confgcc} --enable-threads=posix"
confgcc="${confgcc} --enable-shared=boehm-gc,ada,libada"
elif tc_version_is_at_least 4.3 ; then
confgcc="${confgcc} --enable-threads=gnat"
confgcc="${confgcc} --enable-shared=boehm-gc,ada,libada"
else
confgcc="${confgcc} --enable-threads=posix"
fi
# harfloat vs soft
case $(tc-is-softfloat) in
yes) confgcc="${confgcc} --with-float=soft" ;;
softfp) confgcc="${confgcc} --with-float=softfp" ;;
*)
# If they've explicitly opt-ed in, do hardfloat,
# otherwise let the gcc default kick in.
case ${CTARGET//_/-} in
*-hardfloat-*|*eabihf) confgcc="${confgcc} --with-float=hard" ;;
esac
esac
# multilib and arch support
case $(tc-arch) in
arm)
local a arm_arch=${CTARGET%%-*}
# Remove trailing endian variations first: eb el be bl b l
for a in e{b,l} {b,l}e b l ; do
if [[ ${arm_arch} == *${a} ]] ; then
arm_arch=${arm_arch%${a}}
break
fi
done
# Convert armv7{a,r,m} to armv7-{a,r,m}
[[ ${arm_arch} == armv7? ]] && arm_arch=${arm_arch/7/7-}
# See if this is a valid --with-arch flag
if (srcdir=${S}/gcc target=${CTARGET} with_arch=${arm_arch};
. "${srcdir}"/config.gcc) &>/dev/null
then
confgcc="${confgcc} --with-arch=${arm_arch}"
fi
# Make default mode thumb for microcontroller classes #418209
[[ ${arm_arch} == *-m ]] && confgcc="${confgcc} --with-mode=thumb"
# Enable hardvfp
if [[ $(tc-is-softfloat) == "no" ]] && \
[[ ${CTARGET} == armv[67]* ]]
then
# Follow the new arm hardfp distro standard by default
confgcc="${confgcc} --with-float=hard"
case ${CTARGET} in
armv6*) confgcc="${confgcc} --with-fpu=vfp" ;;
armv7*) confgcc="${confgcc} --with-fpu=vfpv3-d16" ;;
esac
fi
;;
mips)
# Add --with-abi flags to set default ABI
confgcc="${confgcc} --with-abi=$(gcc-abi-map ${TARGET_DEFAULT_ABI})"
;;
ppc)
# Set up defaults based on current CFLAGS
is-flagq -mfloat-gprs=double && confgcc="${confgcc} --enable-e500-double"
[[ ${CTARGET//_/-} == *-e500v2-* ]] && confgcc="${confgcc} --enable-e500-double"
;;
amd64)
if is_multilib ; then
confgcc="${confgcc} --enable-multilib"
if has x32 $(get_all_abis TARGET) ; then
confgcc="${confgcc} --with-abi=$(gcc-abi-map ${TARGET_DEFAULT_ABI})"
fi
else
confgcc="${confgcc} --disable-multilib"
fi
;;
x86)
confgcc="${confgcc} --with-arch=${CTARGET%%-*}"
confgcc="${confgcc} --disable-multilib"
;;
esac
# __cxa_atexit is "essential for fully standards-compliant handling of
# destructors", but apparently requires glibc.
if [[ ${CTARGET} == *-gnu* ]] ; then
confgcc="${confgcc} --enable-__cxa_atexit"
confgcc="${confgcc} --enable-clocale=gnu"
fi
export gcc_cv_lto_plugin=1 # okay to build, default to opt-in
export gcc_cv_prog_makeinfo_modern=no
export ac_cv_have_x='have_x=yes ac_x_includes= ac_x_libraries='
use hardened && export gcc_cv_libc_provides_ssp=yes
# need to strip graphite/lto flags or we'll get the
# dreaded C compiler cannot create executables...
# error.
# filter-flags -floop-interchange -floop-strip-mine -floop-block
# filter-flags -fuse-linker-plugin -flto*
strip-flags
replace-flags -O? -O2
filter-flags '-mabi*' -m31 -m32 -m64
filter-flags -frecord-gcc-switches
filter-flags -mno-rtm -mno-htm
# gold linker barfs on some arches/configs :/
#tc-ld-is-gold && tc-ld-disable-gold
case $(tc-arch) in
amd64|x86)
filter-flags '-mcpu=*'
;;
*)
;;
esac
# strip-unsupported-flags
STAGE1_CFLAGS="${CFLAGS} -fPIC"
use hardened && STAGE1_CFLAGS="-O2 -fPIC"
BOOT_CFLAGS="$(get_abi_CFLAGS ${TARGET_DEFAULT_ABI}) ${CFLAGS} -fPIC"
is_crosscompile && BOOT_CFLAGS="-O2 -fPIC"
einfo "Environment vars:
CC=${CC},
CXX=${CXX},
CTARGET=${CTARGET}
ABI=${TARGET_DEFAULT_ABI},
TARGET_ABI=${TARGET_ABI}.
TARGET_MULTILIB_ABIS=${TARGET_MULTILIB_ABIS},
TARGET_DEFAULT_ABI=${TARGET_DEFAULT_ABI},
GCC_ABI=$(gcc-abi-map ${TARGET_DEFAULT_ABI})
ADA_OBJECTS_PATH=${ADA_OBJECTS_PATH},
ADA_INCLUDE_PATH=${ADA_INCLUDE_PATH},
PATH=${PATH}"
confgcc="${confgcc} ${EXTRA_ECONF}"
einfo "Configuring with confgcc=${confgcc}"
pushd "${GNATBUILD}" > /dev/null
CC="${CC}" CXX="${CXX}" \
LDFLAGS="${LDFLAGS}" \
CFLAGS="${CFLAGS}" \
CXXFLAGS="${CFLAGS}" \
"${S}"/configure \
--prefix="${PREFIX}" \
--bindir="${BINPATH}" \
--includedir="${INCLUDEPATH}" \
--datadir="${DATAPATH}" \
--mandir="${DATAPATH}"/man \
--infodir="${DATAPATH}"/info \
--with-gxx-include-dir="${STDCXX_INCDIR}" \
--with-pkgversion="Gentoo Hardened ${GNATRELEASE} p${PATCH_VER}, pie-${PIE_VER}" \
${confgcc} || die "configure failed"
popd > /dev/null
;;
make-tools)
debug-print-section make-tools
# Compile helper tools
cd "${GNATBOOT}"
cp "${S}"/gcc/ada/xtreeprs.adb .
cp "${S}"/gcc/ada/xsinfo.adb .
cp "${S}"/gcc/ada/xeinfo.adb .
cp "${S}"/gcc/ada/xnmake.adb .
cp "${S}"/gcc/ada/xutil.ad{s,b} .
if (( ${GNATMINOR} > 5 )) ; then
cp "${S}"/gcc/ada/einfo.ad{s,b} .
cp "${S}"/gcc/ada/csinfo.adb .
cp "${S}"/gcc/ada/ceinfo.adb .
fi
gnatmake xtreeprs && \
gnatmake xsinfo && \
gnatmake xeinfo && \
gnatmake xnmake || die "building helper tools"
mv xeinfo xnmake xsinfo xtreeprs bin/
;;
bootstrap)
debug-print-section bootstrap
# and, finally, the build itself
# do we need this? STAGE1_CFLAGS="${CFLAGS}"
# or this? bootstrap-lean
# removing both to try --disable-bootstrap
pushd "${GNATBUILD}" >/dev/null
emake \
LDFLAGS="${LDFLAGS}" \
LIBPATH="${LIBPATH}" \
CC="${CC}" CXX="${CXX}" \
STAGE1_CFLAGS="${STAGE1_CFLAGS}" \
LIBRARY_VERSION="${SLOT}" \
BOOT_CFLAGS="${BOOT_CFLAGS}" \
bootstrap-lean \
|| die "bootstrap failed"
popd >/dev/null
;;
gnatlib_and_tools)
debug-print-section gnatlib_and_tools
einfo "building gnatlib_and_tools"
cd "${GNATBUILD}"
emake -j1 -C gcc gnatlib_and_tools || \
die "gnatlib_and_tools failed"
;;
gnatlib-shared)
debug-print-section gnatlib-shared
einfo "building shared lib"
cd "${GNATBUILD}"
rm -f gcc/ada/rts/*.{o,ali} || die
#otherwise make tries to reuse already compiled (without -fPIC) objs..
emake -j1 -C gcc gnatlib-shared LIBRARY_VERSION="${SLOT}" || \
die "gnatlib-shared failed"
;;
esac
shift
done # while
fi # "all" == "$1"
}
# -- end gnatbuild-r1_src_compile
gnatbuild-r1_src_install() {
debug-print-function ${FUNCNAME} $@
if [[ -z "$1" ]] ; then
gnatbuild-r1_src_install all
return $?
fi
while [ "$1" ]; do
case $1 in
install) # runs provided make install
debug-print-section install
# Looks like we need an access to the bootstrap compiler here too
# as gnat apparently wants to compile something during the installation
# The spotted obuser was xgnatugn, used to process gnat_ugn_urw.texi,
# during preparison of the docs.
export PATH="${GNATBOOT}/bin:${PATH}"
if [[ ${BOOT_SLOT} > 4.1 ]] ; then
GNATLIB="${GNATBOOT}/lib"
elif [[ ${BOOT_SLOT} > 4.8 ]] ; then
GNATLIB="${GNATBOOT}/lib/gnatgcc/${BOOT_TARGET}/${BOOT_VER}"
else
GNATLIB="${GNATBOOT}/lib/gnatgcc/${BOOT_TARGET}/${BOOT_SLOT}"
fi
export CC="${GNATBOOT}/bin/gnatgcc"
#export INCLUDE_DIR="${GNATLIB}/include"
#export C_INCLUDE_PATH="${GNATLIB}/include"
#export CPLUS_INCLUDE_PATH="${GNATLIB}/include"
export ADA_OBJECTS_PATH="${GNATLIB}/adalib"
export ADA_INCLUDE_PATH="${GNATLIB}/adainclude"
# Do not allow symlinks in /usr/lib/gcc/${CHOST}/${MY_PV}/include as
# this can break the build.
find "${GNATBUILD}"/\*gcc/include/ -type l -delete
# Remove generated headers, as they can cause things to break
# (ncurses, openssl, etc). (from toolchain.eclass)
for x in $(find "${WORKDIR}"/build/gcc/include/ -name '*.h') ; do
grep -q 'It has been auto-edited by fixincludes from' "${x}" \
&& rm -f "${x}"
done
cd "${GNATBUILD}"
make -j1 DESTDIR="${D}" install || die
find "${D}" -name install-tools -prune -type d -exec rm -rf "{}" \;
find "${D}" -name libiberty.a -delete
# Disable RANDMMAP so PCH works. #301299
pax-mark r "${D}${LIBEXECPATH}"/{gnat1,cc1,cc1plus}
# Quiet QA warnings, wait for adacore exec stack patch in gcc 7
# (note: needs testing with hardened emulate trampolines)
#if use hardened ; then
# pax-mark Emr "${D}"${BINPATH}/{gnatmake,gnatname,gnatls,gnatclean,gnat}
#else
# export QA_EXECSTACK="${BINPATH:1}/gnatls ${BINPATH:1}/gnatname
# ${BINPATH:1}/gnatmake ${BINPATH:1}/gnatclean ${BINPATH:1}/gnat
# ${LIBEXECPATH:1}/gnat1 ${LIBPATH:1}/adalib/libgnat-${SLOT}.so"
#fi
# export QA_EXECSTACK="${BINPATH:1}/gnatls ${BINPATH:1}/gnatname
# ${BINPATH:1}/gnatmake ${BINPATH:1}/gnatclean ${BINPATH:1}/gnat"
use hardened && pax-mark E "${D}${BINPATH}"/{gnatmake,gnatname,gnatls,gnatclean,gnat}
if use doc ; then
if (( $(bc <<< "${GNATBRANCH} > 4.3") )) ; then
#make a convenience info link
ewarn "Yay! Math works."
dosym gnat_ugn.info ${DATAPATH}/info/gnat.info
fi
fi
;;
move_libs)
debug-print-section move_libs
# first we need to remove some stuff to make moving easier
#rm -rf "${D}${LIBPATH}"/{32,include}
# gcc insists on installing libs in its own place
cp -a -t "${D}${LIBPATH}"/ "${D}${PREFIX}"/lib/gcc/"${CTARGET}/${GCCRELEASE}"/*
cp -a -t "${D}${LIBEXECPATH}"/ "${D}${PREFIX}"/libexec/gcc/"${CTARGET}/${GCCRELEASE}"/*
rm -rf "${D}${PREFIX}"/libexec/gcc
# libgcc_s and, with gcc>=4.0, other libs get installed in multilib specific locations by gcc
# we pull everything together to simplify working environment