diff options
Diffstat (limited to 'wrappers/emerge-wrapper')
| -rwxr-xr-x | wrappers/emerge-wrapper | 236 |
1 files changed, 144 insertions, 92 deletions
diff --git a/wrappers/emerge-wrapper b/wrappers/emerge-wrapper index 4779b12..f9d31f9 100755 --- a/wrappers/emerge-wrapper +++ b/wrappers/emerge-wrapper @@ -1,109 +1,161 @@ #!/bin/bash -# Copyright 2008-2009 Gentoo Foundation +# Copyright 2008-2010 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 -# - solar - -cross_wrap_etc() { - local chost=$1 - cp -a __PREFIX__/share/crossdev/etc /usr/$chost/ - (cd /usr/$chost/etc ; ln -s /etc/make.globals make.globals ) - conf=/usr/$chost/etc/make.conf - - case $chost in - i?86*) - E_MACHINE=EM_X86 - ARCH=x86 - ;; - x86_64*) - E_MACHINE=EM_X86_64 - ARCH=amd64 - ;; - arm*) - E_MACHINE=EM_ARM - ARCH=arm - echo 'UCLIBC_CPU_DEFAULT="GENERIC_ARM"' >> ${conf} - ;; - mips*) - E_MACHINE=EM_MIPS - ARCH=mips - ;; - sh*) - E_MACHINE=EM_SH - ARCH=sh - ;; - *) - echo "!!! WARNING - Cannot auto-configure CHOST ${chost}" - echo "!!! You should edit ${conf}" - echo "!!! by hand to complete your configuration" - E_MACHINE="__E_MACHINE__" - ARCH="__ARCH__" - ;; +if [[ $1 == "--help" || $1 == "-h" ]] ; then + cat <<-EOF + Usage: emerge-wrapper [--target <chost>] <--init|commands for cross-emerge> + + emerge-wrapper is used in one of two ways: + - Use --init to setup cross-toolchain environment(s) + - Pass the command line through to cross-emerge + EOF + exit 0 +fi + +PREFIX="__PREFIX__" +# Enable this script to be manually installed while debugging +[[ ${PREFIX} == \_\_\P\R\E\F\I\X\_\_ ]] && PREFIX="/usr" + +err() { echo "emerge-wrapper: $*" 1>&2; exit 1; } + +emit_setup_warning() +{ + ${setup_warning:-false} && return 0 + setup_warning=true + echo "!!! WARNING - Cannot auto-configure CHOST ${CHOST}" + echo "!!! You should edit ${conf}" + echo "!!! by hand to complete your configuration" +} + +cross_wrap_etc() +{ + [[ $1 == "-q" ]] || echo "${CHOST}: setting up cross basics in ${SYSROOT}/etc" + + setup_warning=false + + cp -a "${PREFIX}"/share/crossdev/etc ${SYSROOT}/ || return 1 + ln -sf /etc/make.globals ${SYSROOT}/etc/make.globals || return 1 + + local conf=${SYSROOT}/etc/make.conf + + # Re-use existing CHOST->portage ARCH mapping code + ARCH=$( + inherit() { :; } + . "${PORTDIR}"/eclass/toolchain-funcs.eclass + tc-arch + ) + [[ ${ARCH} == "unknown" ]] && emit_setup_warning + + # Now map out the non-standard EM values + case ${ARCH} in + amd64) E_MACHINE=X86_64 ;; + hppa) E_MACHINE=PARISC ;; + ia64) E_MACHINE=IA_64 ;; + m68k) E_MACHINE=68K ;; + *) E_MACHINE=`echo ${ARCH} | tr '[:lower:]' '[:upper:]'` ;; esac + E_MACHINE="EM_${E_MACHINE}" - [[ ${chost/gnu/} != $chost ]] && sed -i -e s/__LIBC__/glibc/g ${conf} - [[ ${chost/uclibc/} != $chost ]] && sed -i -e s/__LIBC__/glibc/g ${conf} - [[ $E_MACHINE != "" ]] && sed -i -e s/'#E_MACHINE=__E_MACHINE__'/E_MACHINE=${E_MACHINE}/g ${conf} - [[ $ARCH != "" ]] && sed -i -e s/__ARCH__/${ARCH}/g ${conf} - sed -i -e s/__CHOST__/${chost}/g -e s/__CBUILD__/${CBUILD}/g ${conf} - echo MAKEOPTS=-j$(cat /proc/cpuinfo | grep processor| wc -l) >> ${conf} - [[ ${portdir} != "" ]] && echo PORTDIR=\"${portdir}\" >> ${conf} - [[ ${distdir} != "" ]] && echo DISTDIR=\"${distdir}\" >> ${conf} - [[ ${overlay} != "" ]] && echo PORTDIR_OVERLAY=\"${overlay}\" >> ${conf} - [[ -e /etc/make.conf ]] && grep ^GENTOO_MIRRORS= /etc/make.conf >> ${conf} + LIBC="__LIBC__" + case ${CHOST} in + *gnu*) LIBC=glibc ;; + *uclibc*) LIBC=uclibc ;; + *) emit_setup_warning ;; + esac + + sed -i \ + -e "s:__LIBC__:${LIBC}:g" \ + -e "s:__E_MACHINE__:${E_MACHINE}:g" \ + -e "s:__ARCH__:${ARCH}:g" \ + -e "s:__CBUILD__:${CBUILD}:g" \ + "${conf}" + [[ ${EM_MACHINE} == "EM_UNKNOWN" ]] \ + && sed -i '/^E_MACHINE/s:^:#:' "${conf}" + + # Merge UCLIBC_CPU from env only + local v + for v in ${import_vars} UCLIBC_CPU ; do + [[ -n ${!v} ]] && echo "${v}=\"${!v}\"" + done >> "${conf}" + + return 0 } -cross_init() { - bn=$(basename $0) - [[ $bn != emerge-wrapper ]] && { echo "I wont understand things" ; exit 1; } - dn=$(dirname $(readlink -f $0)) - chosts=`ls -1 /usr/lib/gcc` - cd $dn || { echo "Failed to cd to $dn" ; exit 1; } - export overlay=$(portageq envvar PORTDIR_OVERLAY) - export portdir=$(portageq envvar PORTDIR) - export distdir=$(portageq envvar DISTDIR) - - for chost in $chosts; do - [[ $chost == $CBUILD ]] && continue - [[ $(type -p ${chost}-gcc) == "" ]] && continue - echo " * Setting up symlinks for $chost" - ln -sf emerge-wrapper emerge-${chost} - ln -sf emerge-wrapper ${chost}-emerge - ln -sf cross-pkg-config ${chost}-pkg-config - if [ -d /usr/${chost} ] ; then - if [[ ! -d /usr/${chost}/etc/ ]]; then - echo " * Setting up cross basics in /usr/${chost}/etc" - cross_wrap_etc $chost - fi - fi +cross_wrap_bin() +{ + [[ $1 == "-q" ]] || echo "${CHOST}: Setting up symlinks" + local wrapper + for wrapper in emerge fix-root pkg-config ; do + ln -sf cross-${wrapper} ${CHOST}-${wrapper} done + # some people like their tab completion + ln -sf cross-emerge emerge-${CHOST} } -# CBUILD must be the first thing we export -export CBUILD=$(portageq envvar CBUILD) +cross_wrap() +{ + SYSROOT=/usr/${CHOST} + cross_wrap_bin "$@" || return $? + if [[ -d ${SYSROOT} ]] && [[ ! -d ${SYSROOT}/etc ]] ; then + cross_wrap_etc "$@" + fi + return $? +} -if [[ $1 == "--init" ]]; then - cross_init - exit 0 -fi +cross_init() +{ + cd "${0%/*}" || err "unable to cd to ${0%/*}" -CHOST=$(basename $0) -CHOST=${CHOST/-emerge} -CHOST=${CHOST/emerge-} + # Initialize env for just one target. This is the automated behavior + # when crossdev is setting things up for people. + if [[ ${CHOST} != "wrapper" ]] ; then + cross_wrap -q + return $? + fi + + # When called generically, blindly set up wrappers for all installed + # toolchains. This is more historical behavior and not really + # recommended anymore ... + [[ ${0##*/} != emerge-wrapper ]] && err "I wont understand things" + + for CHOST in `find /usr/lib/gcc -maxdepth 1 -mindepth 1 -type d` ; do + CHOST=${CHOST##*/} + [[ ${CHOST} == ${CBUILD} ]] && continue + type -P -- ${CHOST}-gcc >/dev/null || continue + cross_wrap + done +} + +# CBUILD must be the first thing we export, but might as well avoid +# running portageq multiple times ... +import_vars="PORTDIR DISTDIR PORTDIR_OVERLAY MAKEOPTS GENTOO_MIRRORS" +eval $(portageq envvar -v CBUILD ${import_vars}) +export CBUILD + +# Get default CHOST value from program name +CHOST=${0##*/} +CHOST=${CHOST%-emerge} +CHOST=${CHOST#emerge-} export CHOST -if [[ $CHOST == wrapper ]]; then - if [[ $1 == "--target" ]]; then - export CHOST=$2 - shift 2 - else - echo "After running this program with the --init option as root" - echo "you can call it directly like emerge-wrapper --target CHOST <emerge options>" - echo "or using the emerge-CHOST wrappers" - exit 1 - fi +if [[ $1 == "--target" ]] ; then + CHOST=$2 + shift 2 +fi + +if [[ $1 == "--init" ]] ; then + cross_init + exit $? +fi + +if [[ $CHOST == "wrapper" ]] ; then + echo "After running this program with the --init option as root" + echo "you can call it directly like emerge-wrapper --target CHOST <emerge options>" + echo "or using the emerge-CHOST wrappers" + exit 1 fi -[[ $(type -p ${CHOST}-gcc) == "" ]] && { echo "You need to 'crossdev $CHOST' first" ; exit 1; } +type -P -- ${CHOST}-gcc >/dev/null || err "you need to 'crossdev $CHOST' first" -cross-emerge "$@" +exec cross-emerge "$@" |