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crossdev
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crossdev
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#!/bin/bash
# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
CROSSDEV_VER="@CDEVPV@"
cd /
umask 0022 #159111
: ${ROOT:=/}
if [[ ${ROOT} != "/" ]] ; then
echo "Sorry, but crossdev does not support ROOT." 1>&2
exit 2
fi
EPREFIX="@GENTOO_PORTAGE_EPREFIX@"
if [[ ${EPREFIX} == "@"GENTOO_PORTAGE_EPREFIX"@" ]] ; then
EPREFIX=""
fi
EROOT=${ROOT%/}"${EPREFIX}"/
: ${PORTAGE_CONFIGROOT:=${EROOT}}
CONFIGROOT="${PORTAGE_CONFIGROOT}/etc/portage"
source "${EPREFIX}"/lib/gentoo/functions.sh || exit 1
esyslog() { :; }
die_logs() {
echo
eerror "error: $1"
shift
local log
eerror
eerror "If you file a bug, please attach the following logfiles:"
eerror "${PORT_LOGDIR}/${CROSSDEV_OVERLAY_CATEGORY}-info.log"
for log in "$@" ; do
eerror "${log}"
done
exit 1
}
die() { die_logs "$*"; }
has() { [[ " ${@:2} " == *" $1 "* ]]; }
xmkdir() { mkdir "$@" || die "could not mkdir $*"; }
usage() {
local exit_status=${1:-0}
shift
cat << EOF
Usage: ${HILITE}crossdev${NORMAL} ${GOOD}[options]${NORMAL} ${BRACKET}--target TARGET${NORMAL}
Options:
${GOOD}-L, --llvm${NORMAL} Use LLVM/Clang as a cross compiler
${GOOD}--b, --binutils${NORMAL} ver Specify version of binutils to use
${GOOD}--g, --gcc${NORMAL} ver Specify version of gcc to use
${GOOD}--k, --kernel${NORMAL} ver Specify version of kernel headers to use
${GOOD}--l, --libc${NORMAL} ver Specify version of libc to use
Note: versions support depend atom syntaxes:
e.g. ">=2.20" "~4.6.1" "=2.13.1-r3"
${GOOD}-A, --abis${NORMAL} abis Specify ABIs to build, first one is the default
${GOOD}--host-abi abi${NORMAL} Specify the ABI of the compiler itself
${GOOD}--env${NORMAL} env Specify env settings for all packages (see below)
${GOOD}--[bdgkl]env${NORMAL} env Specify env settings for binutils/gdb/gcc/kernel/libc
Note: make sure to quote: 'VAR="some value"\nFOO="cow"'
${GOOD}--[bdgkl]cat${NORMAL} category Use binutils/gdb/gcc/kernel/libc package from category
${GOOD}--[bdgkl]pkg${NORMAL} pkg Use binutils/gdb/gcc/kernel/libc package with given name
${GOOD}-f, --force${NORMAL} I don't need a seat belt!
${GOOD}-S, --stable${NORMAL} Use latest stable versions as default
${GOOD}-C, --clean${NORMAL} target Uninstall specified target
${GOOD}-P, --portage${NORMAL} opts Options to pass to emerge (see emerge(1))
${GOOD}--with[out]-headers${NORMAL} Build C library headers before C compiler?
${GOOD}--show-fail-log${NORMAL} If the build fails, dump the failing log
Overlay Options:
${GOOD}-oS, --overlays${NORMAL} list Space delimited list of overlays to search
[default: \`portageq repositories_configuration\`]
${GOOD}-oO, --ov-output${NORMAL} path Parent directory of overlay to write crossdev package links
[default: uses repo with name 'crossdev', or
'cross-\${CTARGET}', or falls back to first
from --overlays list]
${GOOD}-ob, --ov-binutils${NORMAL} path Overlay for binutils ebuilds [default: search]
${GOOD}-od, --ov-gdb${NORMAL} path Overlay for gdb ebuilds [default: search]
${GOOD}-og, --ov-gcc${NORMAL} path Overlay for gcc ebuilds [default: search]
${GOOD}-ok, --ov-kernel${NORMAL} path Overlay for kernel ebuilds [default: search]
${GOOD}-ol, --ov-libc${NORMAL} path Overlay for C library ebuilds [default: search]
${GOOD}-ox, --ov-extra${NORMAL} path Overlay for extra packages [default: search]
Stage Options:
${GOOD}-s0, --stage0${NORMAL} Build just binutils
${GOOD}-s1, --stage1${NORMAL} Also build a bare C compiler (no C library/
C++/shared GCC libs/C++ exceptions/etc...)
${GOOD}-s2, --stage2${NORMAL} Also build kernel headers
${GOOD}-s3, --stage3${NORMAL} Also build the C library
${GOOD}-s4, --stage4${NORMAL} Also build a full compiler [default]
(shared libs GCC/various lang frontends/etc...)
External Tooling Options:
${GOOD}--show-target-cfg${NORMAL} Display target settings that crossdev will use
${GOOD}--init-target${NORMAL} Setup config/overlay/etc... files only
Extra Fun (must be run after above stages):
${GOOD}--ex-only${NORMAL} Skip the stage steps above
${GOOD}--ex-gcc${NORMAL} Build extra gcc targets (gcj/ada/etc...)
${GOOD}--ex-gdb${NORMAL} Build a cross gdb
${GOOD}--ex-pkg${NORMAL} pkg Build extra packages (may be used multiple times)
LLVM/Clang Specific Options (--llvm):
${GOOD}--r, --crt${NORMAL} ver Specify version of compiler-rt to use
${GOOD}--c, --ccw${NORMAL} ver Specify version of clang-crossdev-wrapper to use
${GOOD}--[rc]env${NORMAL} env Specify env settings for compiler-rt/clang-crossdev-wrapper
${GOOD}--[rc]cat${NORMAL} category Use compiler-rt/clang-crossdev-wrapper package from category
${GOOD}--[rc]pkg${NORMAL} pkg Use compiler-rt/clang-crossdev-wrapper package with given name
${GOOD}-or, --ov-crt${NORMAL} path Overlay for compiler-rt ebuilds [default: search]
${GOOD}-oc, --ov-ccw${NORMAL} path Overlay for clang-crossdev-wrapper ebuilds [default: search]
${BRACKET}Target (-t)${NORMAL} takes a tuple ${BRACKET}ARCHITECTURE-VENDOR-OS-LIBC${NORMAL}; see 'crossdev -t help'
EOF
[[ -n $* ]] && echo && eerror "Error: $*"
exit ${exit_status}
}
STAGE_BINUTILS=0
STAGE_C_ONLY=1
STAGE_C_KERNEL=2
STAGE_LIBC=3
STAGE_C_CPP=4
STAGE_DEFAULT=${STAGE_C_CPP}
STAGE_DISP=(
"binutils"
"C compiler only"
"kernel headers"
"C compiler & libc"
"C/C++ compiler"
)
parse_target() {
CTARGET=${1#cross-}
if [[ ${CTARGET} == "cross-*" ]] ; then
CTARGET=${1#cross-}
elif [[ ${CTARGET} == "cross_llvm-*" ]] ; then
CTARGET=${1#cross_llvm-}
LLVM="yes"
fi
[[ -z ${CTARGET} ]] && usage 1
if [[ ${CTARGET} == "help" ]] ; then
cat <<-EOF
Target (-t) takes a tuple ARCHITECTURE-VENDOR-OS-LIBC:
Supported Architectures (ARCHITECTURE):
- alpha
- arm / armeb / aarch64
- hppa (parisc)
- ia64
- i386 / i486 / i586 / i686 (x86)
- loongarch64
- m68k
- mips / mipsel / mips64 / mips64el
- or1k
- powerpc (ppc) / powerpc64 (ppc64)
- riscv32 / riscv64
- sparc / sparc64
- s390 / s390x
- sh / sh[1-5] / sh64
- x86_64 (amd64)
Supported C Libraries (LIBC):
- gnu (glibc)
- klibc [prob wont work]
- musl
- newlib [bare metal/no operating system]
- uclibc [not all arches are ported]
Special Targets (full tuple):
- avr http://www.nongnu.org/avr-libc/
- bfin http://blackfin.uclinux.org/
- h8300 http://h8300-hms.sourceforge.net/
- mingw64 http://mingw-w64.sourceforge.net/
- mmix http://www-cs-faculty.stanford.edu/~knuth/mmix.html
- msp430 http://www.ti.com/msp430
- nds32 http://github.com/nds32
- nios2 http://www.altera.com/products/ip/processors/nios2/ni2-index.html
- xc16x http://www.infineon.com/
- ppu / spu (cell) [Cell/Playstation 3 targets]
Softfloat toolchains:
Include 'softfloat' in the 'vendor' field
e.g. armeb-softfloat-linux-uclibc powerpc-booya_softfloat-linux-gnu
EOF
exit 0
fi
# Allow for laziness
if [[ ${CTARGET} != *-* ]] ; then
# Handle aliases
local aliases=()
case ${CTARGET} in
cell) aliases=( ppu spu-elf );;
mingw64) aliases=( x86_64-w64-mingw32 );;
esac
if [[ ${#aliases[@]} -eq 1 ]] ; then
CTARGET=${aliases[0]}
elif [[ ${#aliases[@]} -gt 1 ]] ; then
einfo "The '${CTARGET}' target is really an alias for the '${aliases}' target(s)"
local alias
for alias in ${aliases} ; do
${CROSSDEV} -t ${alias} || exit 1
done
exit 0
fi
# First translate portage ARCH to actual tuple
case ${CTARGET} in
amd64) CTARGET="x86_64";;
parisc*) CTARGET=${CTARGET/parisc/hppa};;
ppc|ppc64) CTARGET=${CTARGET/ppc/powerpc};;
x86) CTARGET="i686";;
esac
# Then add common suffixes
case ${CTARGET} in
i?86|x86_64)
CTARGET="${CTARGET}-pc-linux-gnu";;
s390*)
CTARGET="${CTARGET}-ibm-linux-gnu";;
arm64*)
CTARGET="aarch${CTARGET#arm}-unknown-linux-gnu";;
armv[67]*)
CTARGET="${CTARGET}-unknown-linux-gnueabihf";;
arm*)
CTARGET="${CTARGET}-unknown-linux-gnueabi";;
aarch64*|alpha*|cris*|hppa*|ia64*|loongarch*|m68*|mips*|powerpc*|riscv*|sparc*|sh*|tile*)
CTARGET="${CTARGET}-unknown-linux-gnu";;
bfin*|h8300*|msp430*|nds32*|nios2*|spu*|xc16x*)
CTARGET="${CTARGET}-elf";;
esac
fi
# Figure out an acceptable portage ARCH for this target
case ${CTARGET} in
aarch64*) TARCH=arm64;;
alpha*) TARCH=alpha;;
arm*) TARCH=arm;;
hppa*) TARCH=hppa;;
ia64*) TARCH=ia64;;
i?86*) TARCH=x86;;
loongarch*) TARCH=loong;;
m68*) TARCH=m68k;;
mips*) TARCH=mips;;
powerpc64*) TARCH=ppc64;;
powerpc*) TARCH=ppc;;
riscv*) TARCH=riscv;;
sparc*) TARCH=sparc;;
s390*) TARCH=s390;;
sh*) TARCH=sh;;
x86_64*) TARCH=amd64;;
*) TARCH="*";;
esac
case ${CTARGET} in
*-freebsd*) TARCH="${TARCH}-fbsd";;
esac
# Now account for all the "special" architectures out there
case ${CTARGET} in
# this is a linux+ target, not microcontroller (below)
avr32*) :;;
avr*)
KPKG="[none]"
LCAT="dev-embedded"
LPKG="avr-libc"
GUSE+=" -fortran -go" # doesn't work
MULTILIB_USE="yes" #377039
BUSE+=" cxx"
STAGE_DEFAULT=${STAGE_LIBC}
WITH_DEF_HEADERS="no"
;;
# Has no glibc support yet (or even ABI defined). Can
# only compile linux kernel:
# https://parisc.wiki.kernel.org/index.php/Userspace64
hppa64*)
STAGE_DEFAULT=${STAGE_C_ONLY}
WITH_DEF_HEADERS="no";;
ia64*)
# gcc's libgcc needs glibc headers for unwinder.
# Thus gcc-stage1 can't be built without glibc headers.
WITH_DEF_HEADERS="yes"
;;
loongarch*)
# have to bring in the experimental LoongArch patchset before
# everything is upstream
KUSE+=" experimental-loong"
LUSE+=" experimental-loong"
;;
# added in bug #609602
mmix*)
KPKG="[none]"
LPKG="newlib"
STAGE_DEFAULT=${STAGE_LIBC}
WITH_DEF_HEADERS="no"
;;
nvptx*)
BPKG="nvptx-tools"
LPKG="newlib"
STAGE_DEFAULT=${STAGE_LIBC}
;;
# due to upstream lameness, build C/C++ at first glance
*-cygwin)
GUSE_DISABLE_STAGE_1+=" -nocxx cxx"
;;
# these are the mingw64 targets that binutils seems to use
x86_64-*-mingw*|*-w64-mingw*)
KPKG="[none]";
LCAT="dev-util"
LPKG="mingw64-runtime"
WITH_DEF_HEADERS="yes" # gcc can't bootstrap without headers: bug #693770
GMASK+=" default-stack-clash-protection hardened"
GUSE+=" -default-stack-clash-protection -hardened" # gcc ICEs as libssp/ssp.c:186:1: internal compiler error: in seh_emit_stackalloc
;;
mingw*|*-mingw*)
# bug #584858
die "'${CTARGET}' target is not supported anymore, use i686-w64-mingw32"
;;
spu*)
TARCH=ppc64
KPKG="[none]"
LPKG="newlib"
;;
ppu*)
TARCH=ppc64
;;
mips64*-gnuabin32|mipsisa64*-gnuabin32)
[[ ${MULTILIB_ABIS} == "default" ]] && MULTILIB_ABIS="n32"
;;
mips64*-gnuabi64|mipsisa64*-gnuabi64|mips64*-gnuabin64|mipsisa64*-gnuabin64)
[[ ${MULTILIB_ABIS} == "default" ]] && MULTILIB_ABIS="n64"
;;
mips64*-gnuabi32|mipsisa64*-gnuabi32|mips64*-gnuabio32|mipsisa64*-gnuabio32)
[[ ${MULTILIB_ABIS} == "default" ]] && MULTILIB_ABIS="o32"
;;
esac
# Tweak packages based upon CTARGET
case ${CTARGET} in
# Normal Linux host, just diff libc
*-dietlibc)
LPKG="dietlibc"
LCAT="dev-libs"
;;
*-gnu*)
LPKG="glibc"
;;
*-klibc)
LPKG="klibc"
;;
*-uclibc*)
LPKG="uclibc-ng"
;;
*-uclinux)
LPKG="uclibc-ng"
;;
*-musl*)
LPKG="musl"
;;
*-llvm*)
LPKG="llvm-libc"
;;
# Windows targets
*-cygwin)
LCAT="dev-libs"
LPKG="cygwin"
KPKG="[none]"
;;
# Bare metal targets
*-newlib|*-elf|*-eabi|*-rtems*)
LPKG="newlib"
KPKG="[none]"
STAGE_DEFAULT=${STAGE_LIBC}
GMASK+=" default-stack-clash-protection hardened ssp"
GUSE+=" cxx -openmp" #489798
GUSE+=" -fortran" #589672, needs syscalls
GUSE+=" -hardened" #687598, needs -fstack-check=specific support
GUSE+=" -default-stack-clash-protection -ssp" # SSP isn't supported for freestanding anyway
MULTILIB_USE="yes" #407275
WITH_DEF_HEADERS="no"
;;
# Now for the BSDs ...
*-freebsd*)
LCAT="sys-freebsd" LPKG="freebsd-lib"
KPKG="[none]"
;;
esac
# Target-specific defaults (workarounds for upstream bugs). User
# can override them by passing 'USE=foo crossdev ...'. Useful when
# one wants to fix upstream bugs.
local sanitizer_support=no
# Whitelist asan on explicitly supported arches for linux.
# Broken examples:
# - musl libc
# - bare metal targets
# Untested examples:
# - *BSD
case ${CTARGET} in
# glibc targets
*-gnu*)
case ${CTARGET} in
mips64*|mipsisa64*)
# has some support code, fails to build
;;
x86_64*|i?86*|arm*|aarch64*|powerpc*)
sanitizer_support=yes
;;
esac
;;
esac
if [[ $sanitizer_support = "no" ]]; then
GUSE+=" -sanitize"
fi
local vtv_support=no
# Whitelist vtv on explicitly supported arches for linux.
# Broken examples:
# - musl libc
# - bare metal targets
# - powerpc
# Untested examples:
# - *BSD
case ${CTARGET} in
# glibc targets
*-gnu*)
case ${CTARGET} in
x86_64*|i?86*|arm*|aarch64)
vtv_support=yes
;;
esac
;;
esac
if [[ $vtv_support = "no" ]]; then
GUSE+=" -vtv"
fi
local pie_support=yes
# Blacklist rare targets that:
# 1. don't support -fPIC in compiler
# 2. have -fPIE broken
case ${CTARGET} in
# [1.]: no -fPIC flag support:
# check as '$CC -fPIC -c -x c - </dev/null'
avr*|mmix*)
pie_support=no
;;
# [2.] mingw32 startup code is broken: bug #644930
# at least on i686-w64-mingw32 and x86_64-w64-mingw32
mingw*|*-mingw*) pie_support=no
;;
# Many bare-metal targets don't work with pie as-is
*-elf|*-eabi)
# mips can't generate freestanding PIC:
# cc1: error: position-independent code requires ‘-mabicalls’
# arm firmware packages don't expect pie-by-default:
# https://lists.gnupg.org/pipermail/gnuk-users/2018-August/000086.html
# https://github.com/gl-sergei/u2f-token/issues/14
pie_support=no
;;
esac
# Running a hardened profile on the host forces pie #831165
if [[ ${pie_support} == "no" ]]; then
# pie is >=gcc-6, nopie is <gcc-6
GMASK+=" pie -nopie"
GFORCE+=" nopie"
fi
local ssp_support=yes
# Blacklist rare targets that:
# 1. don't support -fstack-protector in compiler
# 2. have -fstack-protector broken
case ${CTARGET} in
# [1.]: no -fstack-protector flag support:
# check as '$CC -fstack-protector -c -x c - </dev/null'
alpha*|avr*|hppa*|ia64*|mmix*|nios2*) ssp_support=no;;
esac
# Running a hardened profile on the host forces ssp #831165
if [[ ${ssp_support} == "no" ]]; then
# ssp is >=gcc-6, nossp is <gcc-6
# blacklist hardened too because it'll force -fstack-clash-protection
GMASK+=" default-stack-clash-protection ssp hardened -nossp"
GFORCE+=" nossp"
fi
}
parse_repo_config() {
# Ugh, ini parser here we come.
# [DEFAULT]
# main-repo = gentoo
# [crossdev]
# location = /usr/local/portage
# masters = gentoo
# priority = 0
local repo_config=$(portageq repositories_configuration "${EROOT}")
local flat_config=$(echo "${repo_config}" | gawk '
function push(arr, idx, ele) {
if (idx in arr)
arr[idx][length(arr[idx]) + 1] = ele
else
arr[idx][0] = ele
}
{
if ($1 == "main-repo") {
main_repo = $NF
} else if ($1 ~ /^\[/) {
if (repo_name && loc)
push(repos, prio, repo_name ":" loc)
repo_name = gensub(/\[([^\]]*)\]/, "\\1", 1, $1)
loc = prio = ""
} else if ($1 == "priority") {
prio = $3
} else if ($1 == "location") {
loc = $3
}
}
END {
push(repos, prio, repo_name ":" loc)
print(main_repo)
asorti(repos, prios)
for (prio in prios)
for (repo in repos[prios[prio]])
print(repos[prios[prio]][repo])
}
')
MAIN_REPO_NAME=$(echo "${flat_config}" | head -1)
REPO_CONFIG=$(echo "${flat_config}" | sed 1d)
MAIN_REPO_PATH=$(echo "${REPO_CONFIG}" | sed -n "/^${MAIN_REPO_NAME}:/s,^[^:]*:,,p")
if [[ -z ${SEARCH_OVERLAYS} ]] ; then
# see if user gave us an overlay search list, otherwise
# default to whatever is configured in portage
SEARCH_OVERLAYS=$(echo "${REPO_CONFIG}" | sed -e "/^${MAIN_REPO_NAME}:/d" -e 's,^[^:]*:,,')
fi
}
# Used by --show-repo-cfg to share the parser logic with other tools.
show_repo_cfg() {
local var=$1
unset SEARCH_OVERLAYS
parse_repo_config
echo "${!var}"
exit 0
}
setup_portage_vars() {
local arch=${ARCH} arch_set=${ARCH+set}
local chost=${CHOST} chost_set=${CHOST+set}
local abi
unset ARCH CHOST
eval $(portageq envvar -v PORT_LOGDIR PORTAGE_TMPDIR ARCH CHOST)
parse_repo_config
# keep the original values, but be aware of the native ones
HARCH=${ARCH}
[[ ${arch_set} == "set" ]] && ARCH=${arch} || unset ARCH
HCHOST=${CHOST}
[[ ${chost_set} == "set" ]] && CHOST=${chost} || unset CHOST
# Collect all CHOST* visible for host. We need to make sure
# not to clobber any of native CHOSTs.
HCHOSTS=(${HCHOST})
for abi in $(portageq envvar ABI MULTILIB_ABIS DEFAULT_ABI); do
HCHOSTS+=($(portageq envvar CHOST_${abi}))
done
# uniq
HCHOSTS=(
$(printf "%s\n" "${HCHOSTS[@]}" | sort -u)
)
# see if user told us where to write things, otherwise
# set up some repos.conf magic if possible. if not,
# install our stuff to the first overlay in the list.
if [[ -z ${CROSSDEV_OVERLAY} ]] ; then
local repo_path repo_name
for repo_name in "${CROSSDEV_OVERLAY_CATEGORY}" crossdev ; do
repo_path=$(echo "${REPO_CONFIG}" | sed -n "/^${repo_name}:/s,^[^:]*:,,p")
if [[ -n ${repo_path} ]] ; then
CROSSDEV_OVERLAY=${repo_path}
# if we end up installing our stuff, save the name of the repo
# for further use in metadata/layout.conf
CROSSDEV_OVERLAY_NAME=${repo_name}
break
fi
done
: ${CROSSDEV_OVERLAY:=$(echo "${SEARCH_OVERLAYS}" | head -1)}
else
# Check if there is a repos.conf entry whose
# location matches ${CROSSDEV_OVERLAY}
local repo_name conf_base i=""
repo_name="$(echo "${REPO_CONFIG}" | sed -n "\|:${CROSSDEV_OVERLAY}$|s,:.*,,p")"
if [[ -n ${repo_name} ]]; then
# Match the name specified in the corresponding repos.conf entry
CROSSDEV_OVERLAY_NAME="${repo_name}"
else
# Derive the name
: ${CROSSDEV_OVERLAY_NAME:="$(basename "${CROSSDEV_OVERLAY}")"}
# Note that there is no repos.conf entry and set up the path for the conf file
# We'll create the conf file itself in set_metadata()
conf_base="${CONFIGROOT}/repos.conf/${CROSSDEV_OVERLAY_NAME}"
while [[ -e "${conf_base}${i}.conf" ]]; do
# If there is a file collision with the conf file we target,
# we'll first append '1' before '.conf' and try.
# If that doesn't work, we'll retry with an incremented number
# Incrementing an empty string returns '1' in the shell
i=$((i + 1))
done
CROSSDEV_OVERLAY_CREATE_REPOS_CONF="${conf_base}${i}.conf"
fi
fi
# make sure we have a valid logdir
: ${PORT_LOGDIR:=${EPREFIX}/var/log/portage}
xmkdir -p "${PORT_LOGDIR}"
}
uninstall() {
local d f
setup_portage_vars
ewarn "Uninstalling target '${CTARGET}' ..."
# clean out portage config files
if [[ -d ${CROSSDEV_OVERLAY}/${CROSSDEV_OVERLAY_CATEGORY} ]]; then
rm -r "${CROSSDEV_OVERLAY}"/${CROSSDEV_OVERLAY_CATEGORY}
# if we remove all the package in the category,
# might as well remove the category itself
sed -e "/${CROSSDEV_OVERLAY_CATEGORY}/d" \
-i "${CROSSDEV_OVERLAY}"/profiles/categories
fi
# If profiles/categories is empty, see if we can remove the output overlay entirely
# The conservative criteria for removal are as follows:
# - The profiles/categories is empty
# - metadata/layout.conf is managed by crossdev
# - The only files in the overlay are profiles/categories and metadata/layout.conf
# Otherwise, we leave the overlay alone
if [[ ! -s "${CROSSDEV_OVERLAY}"/profiles/categories ]]; then
# Check if layout.conf is managed by crossdev
if grep -qs "^${AUTOGEN_TAG}" "${CROSSDEV_OVERLAY}"/metadata/layout.conf; then
# Check that there are no other files
local i=0
while IFS="" read -d $'\0' -r; do
i=$((i + 1))
done < <(find "${CROSSDEV_OVERLAY}" -type f -print0)
# Remove the overlay if we can
[[ ${i} -eq 2 ]] && rm -r "${CROSSDEV_OVERLAY}"
fi
fi
# Remove the repos.conf entry if the output overlay is completely removed
if [[ ! -e "${CROSSDEV_OVERLAY}" ]]; then
# There is no easy way to reverse map an overlay entry
# to a particular file under repos.conf
# We'll scan every conf file for a match on repo name and
# remove if the file is managed by crossdev
while IFS="" read -d $'\0' -r f ; do
grep -qs "^${AUTOGEN_TAG}" "${f}" || continue
if grep -qs "^\[${CROSSDEV_OVERLAY_NAME}\]$" "${f}"; then
rm -f "${f}"
break
fi
done < <(find "${CONFIGROOT}"/repos.conf -type f -print0)
fi
# crossdev stopped creating 'package.keywords' in Jan 2020
for f in package.{accept_keywords,env,mask,keywords,use} profile/package.use.{force,mask} ; do
f="${CONFIGROOT}/${f}"
rm -f "${f}"/${CROSSDEV_OVERLAY_CATEGORY}
rmdir "${f}" 2>/dev/null
done
rm -rf "${CONFIGROOT}"/env/${CROSSDEV_OVERLAY_CATEGORY}
rmdir "${CONFIGROOT}"/env 2>/dev/null
rm -f "${EPREFIX}"/etc/revdep-rebuild/05${CROSSDEV_OVERLAY_CATEGORY}
rmdir "${EPREFIX}"/etc/revdep-rebuild 2>/dev/null
if [[ "${LLVM}" == "yes" ]] ; then
rm ${EROOT}/etc/clang/cross/${CTARGET}.cfg
rmdir ${EROOT}/etc/clang/cross 2>/dev/null
fi
# Unmerge all toolchain packages for this target.
emerge -q --rage-clean "${CROSSDEV_OVERLAY_CATEGORY}/*"
# clean out known toolchain files (binutils/gcc)
for f in \
addr2line ar as c++filt dlltool dllwrap dwp embedspu \
gcc-{ar,nm,ranlib} gccbug gcov-{dump,tool} gprof ld nm \
objcopy objdump ranlib readelf size strings strip windmc windres
do
rm -f "${EPREFIX}"/usr/bin/${CTARGET}-${f}
done
rm -f "${EPREFIX}"/usr/${CTARGET}/{sys-include,usr}
rmdir "${EPREFIX}"/usr/${CTARGET}/{include/asm,include} 2>/dev/null
rm -f "${EPREFIX}"/usr/bin/${CTARGET}-{gcc,{c,g}++,cpp,gfortran,gcov}
rm -f "${EPREFIX}"/etc/env.d/{binutils,gcc}/config-${CTARGET}
# clean out files from crossdev itself
[[ -e ${EPREFIX}/var/db/pkg/${CROSSDEV_OVERLAY_CATEGORY} ]] && rmdir "${EPREFIX}"/var/db/pkg/${CROSSDEV_OVERLAY_CATEGORY}
rm -f "${EPREFIX}"/usr/bin/${CTARGET}-{emerge,ebuild,fix-root,pkg-config} "${EPREFIX}"/usr/bin/emerge-${CTARGET}
for f in make.{conf,globals,profile} ; do
f="${EPREFIX}/usr/${CTARGET}/etc/${f}"
[[ -L ${f} ]] && rm -f ${f}
f="${EPREFIX}/usr/${CTARGET}/etc/portage/${f##*/}"
[[ -L ${f} ]] && rm -f ${f}
done
find "${EPREFIX}"/usr/share/crossdev/etc/ -type f | \
while read f ; do
f1=${f}
[[ ! -e ${f1} ]] && continue
m1=$(set -- `md5sum ${f1}`; echo $1)
f2=${EPREFIX}/usr/${CTARGET}${f#/usr/share/crossdev}
[[ ! -e ${f2} ]] && continue
m2=$(set -- `md5sum ${f2}`; echo $1)
if [[ ${m1} == ${m2} ]] ; then
rm -f ${f2}
fi
done
# clean out the sysroot, prompting the user if need be
for d in "${EPREFIX}"/usr/lib/gcc{,-lib}/${CTARGET} "${EPREFIX}"/usr/${CTARGET} ; do
if [[ ! -d ${d} ]] ; then
rm -f "${d}"
else
if [[ ${FORCE} == "no" ]] ; then
find "${d}" -type d -depth -exec rmdir {} + 2>/dev/null && continue
printf "${d}: directory still exists; remove recursively? [y/N] "
local ans
read ans
[[ ${ans} == [Yy]* ]] && rm -rf "${d}"
else
rm -rf "${d}"
fi
fi
done
}
set_withval() {
local withval varname
varname=${*#--with-}
varname=${varname#--without-}
varname=${varname%%=*}
if [[ $* == *=* ]] ; then
withval=${*#*=}
else
[[ $* == --with-* ]] && withval="yes" || withval="no"
fi
echo WITH_`echo ${varname} | tr '[:lower:]' '[:upper:]'`=\"${withval}\"
}
is_stage() { [[ ${STAGE} -ge $1 ]] ; }
is_s0() { is_stage 0 ; }
is_s1() { is_stage 1 ; }
is_s2() { is_stage 2 ; }
is_s3() { is_stage 3 ; }
is_s4() { is_stage 4 ; }
is_s5() { is_stage 5 ; }
with_headers() { [[ ${WITH_HEADERS} == "yes" ]] ; }
ex_fast() { [[ ${EX_FAST} == "yes" ]] ; }
ex_gcc() { [[ ${EX_GCC} == "yes" ]] ; }
ex_gdb() { [[ ${EX_GDB} == "yes" ]] ; }
ex_pkgs() { [[ ${#XPKGS[@]} -gt 0 ]] ; }
# For each extra package, call $@ with the X* vars set up properly.
for_each_extra_pkg() {
local pkg i
for (( i = 0; i < ${#XPKGS[@]}; ++i )) ; do
# Since the user gave us full atoms, pull them apart here.
pkg=${XPKGS[i]}
if [[ ${pkg} != */* ]]; then
usage 1 "arguments to --ex-pkg must be CATEGORY/PN"
fi
XCAT=${pkg%/*} \
XPKG=${pkg#*/} \
XVER=${XVERS[i]} \
XUSE=${XUSES[i]} \
XENV=${XENVS[i]} \
XOVL=${XOVLS[i]} \
XMASK=${XMASKS[i]} \
XFORCE=${XFORCES[i]} \
"$@"
done
}
hr() {
local c=${COLUMNS:-0}
if [[ ${c} -eq 0 ]] ; then
c=$(stty size 2> /dev/null)
[[ -z ${c} ]] \
&& c=50 \
|| c=${c##* }
fi
local ext=${1:- _ - ~ -}
local sext=${ext//?/ }
local br=$(printf "%$((c + ${#ext}))s")
local banner=${br//${sext}/${ext}}
echo "${banner:0:${c}}"
}
ver_get_op() {
local op ver=$1
[[ ${ver} == "["* ]] && return
op=${ver%%[0-9]*}
[[ -n ${op} ]] && echo "${op}"
}
ver_chop_op() {
local op ver=$1
op=$(ver_get_op "${ver}")
echo "${ver##${op}}"
}
pretty_atom() {
local mid=$1 ver=$2
printf '%s%s%s' "$(ver_get_op "${ver}")" "${mid}" "$(ver_chop_op "${ver}")"
}
##################
### setup vars ###
CROSSDEV=$0
EOPTS=
UOPTS=
TARCH=
HARCH=
HCHOST=
HCHOSTS=()
CTARGET=
MULTILIB_ABIS="default"
MULTILIB_USE=""
HOST_ABI="default"
STAGE=""
AENV=""
# Only GMASK/GFORCE are currently used
BCAT="sys-devel" ; BPKG="binutils" ; BVER="" BUSE="" BENV="" BOVL="" BMASK="" BFORCE=""
GCAT="sys-devel" ; GPKG="gcc" ; GVER="" GUSE="" GENV="" GOVL="" GMASK="" GFORCE=""
KCAT="sys-kernel" ; KPKG="linux-headers" ; KVER="" KUSE="" KENV="" KOVL="" KMASK="" KFORCE=""
LCAT="sys-libs" ; LPKG="[none]" ; LVER="" LUSE="" LENV="" LOVL="" LMASK="" LFORCE=""
DCAT="dev-debug" ; DPKG="gdb" ; DVER="" DUSE="" DENV="" DOVL="" DMASK="" DFORCE=""
RCAT="sys-libs" ; RPKG="compiler-rt" ; RVER="" RUSE="" RENV="" ROVL="" RMASK="" RFORCE=""
CCAT="sys-devel" ; CPKG="clang-crossdev-wrappers" ; CVER="" CUSE="" CENV="" COVL="" CMASK="" CFORCE=""
XPKGS=() XVERS=() XUSES=() XENVS=() XOVLS=() XMASKS=() XFORCES=()
DEFAULT_VER="[latest]"
SEARCH_OVERLAYS=""
CROSSDEV_OVERLAY=""
CROSSDEV_OVERLAY_NAME=""
CROSSDEV_OVERLAY_CATEGORY_PREFIX="cross-"
CROSSDEV_OVERLAY_CREATE_REPOS_CONF=""
AUTOGEN_TAG="# Autogenerated and managed by crossdev"
# These flags are always disabled for cross-gcc; either usually/always broken, or
# not tested, or doesn't make sense, or no one simply cares about them
GUSE_DISABLE="-boundschecking -d -gcj -gtk -libffi -mudflap -objc -objc++ -objc-gc"
# These are disabled only for stage1 gcc. Normally need libc presence.
GUSE_DISABLE_STAGE_1="${GUSE_DISABLE} -fortran -go -jit -cxx -mpx -openmp -sanitize -vtv"
# These are also disabled for stage2, but could be used later if dependencies
# are installed into ${SYSROOT}:
# - sanitize needs crypt.h: #799707
GUSE_DISABLE_STAGE_2="${GUSE_DISABLE} -sanitize"
# mingw64-runtime needs a stage2 compiler to build libraries: https://bugs.gentoo.org/751295
LUSE_DISABLE="-libraries"
# Past history of WITH_DEF_HEADERS:
# - ????-2005: "no"
# - 2005-2019: "yes": #227065 gcc-4.3+ is a pita w/out headers
# - 2019-????: "no" again: glibc does not really support headers install
# at least on riscv-*: #686248
WITH_HEADERS="COW"
WITH_DEF_HEADERS="no"
EX_FAST="no"
EX_GCC="no"
EX_GDB="no"
FORCE="no"
SET_X="no"
ACTION="install"
SHOW_FAIL_LOG="no"
SHOW_TARGET_CFG="no"
INIT_TARGET_ONLY="no"
LLVM="no"
while [[ $# -gt 0 ]] ; do
case $1 in
-V|--version) echo "crossdev-${CROSSDEV_VER}"; exit 0;;
-t|--target) shift; parse_target $1;;
--b|--binutils) shift; BVER=$1;;
--benv) shift; BENV=$1;;
-ob|--ov-binutils) shift; BOVL=$1;;
--bcat) shift; BCAT=$1;;
--bpkg) shift; BPKG=$1;;
--d|--gdb) shift; DVER=$1;;
--denv) shift; DENV=$1;;
-od|--ov-gdb) shift; DOVL=$1;;
--dcat) shift; DCAT=$1;;
--dpkg) shift; DPKG=$1;;
--g|--gcc) shift; GVER=$1;;
--genv) shift; GENV=$1;;
-og|--ov-gcc) shift; GOVL=$1;;
--gcat) shift; GCAT=$1;;
--gpkg) shift; GPKG=$1;;
--k|--kernel) shift; KVER=$1;;
--kenv) shift; KENV=$1;;
-ok|--ov-kernel) shift; KOVL=$1;;
--kcat) shift; KCAT=$1;;
--kpkg) shift; KPKG=$1;;
--l|--libc) shift; LVER=$1;;
--lenv) shift; LENV=$1;;
-ol|--ov-libc) shift; LOVL=$1;;
--lcat) shift; LCAT=$1;;
--lpkg) shift; LPKG=$1;;
--r|--crt) shift; RVER=$1;;
--renv) shift; RENV=$1;;
-or|--ov-crt) shift; ROVL=$1;;
--rcat) shift; RCAT=$1;;
--rpkg) shift; RPKG=$1;;
--c|--ccw) shift; CVER=$1;;
--cenv) shift; CENV=$1;;
-oc|--ov-ccw) shift; COVL=$1;;
--ccat) shift; CCAT=$1;;
--cpkg) shift; CPKG=$1;;
-ox|--ov-extra) shift; XOVLS+=( "$1" );;
--env) shift; AENV=$1;;
-L|--llvm) LLVM="yes";;
-A|--abis) shift; MULTILIB_ABIS=$1;;
--host-abi) shift; HOST_ABI=$1;;
-S|--stable) DEFAULT_VER="[stable]";;
-C|--clean) shift; parse_target $1; ACTION="uninstall";;
-s?|--stage?) STAGE=${1:0-1};;
-oS|--overlays) shift; SEARCH_OVERLAYS=$1;;
-oO|--ov-output) shift; CROSSDEV_OVERLAY=$1;;
--ex-only) EX_FAST="yes";;
--ex-gcc) EX_GCC="yes";;
--ex-gdb) EX_GDB="yes";;
--ex-pkg) shift; XPKGS+=( "$1" );;
--with-*) eval $(set_withval $1);;
--without-*) eval $(set_withval $1);;
-f|--force) FORCE="yes";;
-x) SET_X="yes";;
--show-target-cfg) SHOW_TARGET_CFG="yes";;
--init-target) INIT_TARGET_ONLY="yes";;
--show-fail-log) SHOW_FAIL_LOG="yes";;
--show-repo-cfg) show_repo_cfg "$2";;
-P|--portage) UOPTS="${UOPTS} $2"; shift;;
-h|--help) usage;;
-*) eerror "UNKNOWN OPTION: '$1'" ; usage 1;;
*) parse_target $1;;
esac
shift
done
if [[ "${LLVM}" == "yes" ]] ; then
WITH_HEADERS="yes"
CROSSDEV_OVERLAY_CATEGORY_PREFIX="cross_llvm-"
# To avoid bug reports
[[ "${LPKG}" == "glibc" ]] && die "LLVM/Clang cannot currently compile glibc"
fi
CROSSDEV_OVERLAY_CATEGORY="${CROSSDEV_OVERLAY_CATEGORY_PREFIX}${CTARGET}"
[[ ${SET_X} == "yes" ]] && set -x
case ${ACTION} in
uninstall) uninstall; exit 0;;
esac
BVER=${BVER:-${DEFAULT_VER}}
GVER=${GVER:-${DEFAULT_VER}}
KVER=${KVER:-${DEFAULT_VER}}
LVER=${LVER:-${DEFAULT_VER}}
DVER=${DVER:-${DEFAULT_VER}}
STAGE=${STAGE:-${STAGE_DEFAULT}}
[[ -z ${CTARGET} ]] && usage 1
for with in HEADERS ; do
var=WITH_${with} defvar=WITH_DEF_${with}
[[ ${!var} == "COW" ]] && eval ${var}=${!defvar}
done
# ::gentoo has no stable 'mingw64-runtime' or 'newlib'.
# Let's default to 'latest' unless user specified something else.
if [[ ${LPKG} == "mingw64-runtime" && ${LVER} == "[stable]" ]]; then
LVER="[latest]"
fi
if [[ ${LPKG} == "newlib" && ${LVER} == "[stable]" ]]; then
LVER="[latest]"
fi