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c503b0248b
This replaces the cross-toolchain compile step in bootstrap_sdk and adds the ability to build native toolchains using the cross toolchain. This is just the first step towards actually providing the native toolchain in a container.
137 lines
4.6 KiB
Bash
137 lines
4.6 KiB
Bash
#!/bin/bash
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set -e
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source /tmp/chroot-functions.sh
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source /tmp/toolchain_util.sh
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# A note on packages:
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# The default PKGDIR is /usr/portage/packages
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# To make sure things are uploaded to the correct places we split things up:
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# crossdev build packages use ${PKGDIR}/crossdev (uploaded to SDK location)
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# build deps in crossdev's sysroot use ${PKGDIR}/cross/${CHOST} (no upload)
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# native toolchains use ${PKGDIR}/native/${BOARD} (uploaded to board location)
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get_dependency_list() {
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local ROOT="$1"
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local IFS=$'| \t\n'
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shift
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PORTAGE_CONFIGROOT="$ROOT" SYSROOT="$ROOT" \
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ROOT="$ROOT" emerge ${clst_myemergeopts} \
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--pretend --with-bdeps=y --onlydeps --quiet \
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"$@" | sed -e 's/.*\] \([^ :]*\).*/=\1/' |
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egrep -v "(=$(echo "$*")-[0-9])"
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}
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configure_portage() {
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local pkg_path="$1"
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mkdir -p "${ROOT}/etc/portage"
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rm -f "${ROOT}/etc/make.profile" "${ROOT}/etc/portage/make.profile"
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# eselect will report "!!! Warning: Strange path." but that's OK
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eselect profile set --force coreos:coreos/amd64/generic
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cat >"${ROOT}/etc/portage/make.conf" <<EOF
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CHOST=${CHOST}
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CBUILD=$(portageq envvar CBUILD)
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HOSTCC=\${CBUILD}-gcc
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ROOT="${ROOT}"
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SYSROOT="${SYSROOT}"
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PKG_CONFIG_PATH="\${SYSROOT}/usr/lib/pkgconfig/"
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PORTDIR="$(portageq envvar PORTDIR)"
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DISTDIR="\${PORTDIR}/distfiles"
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PKGDIR="\${PORTDIR}/packages/${pkg_path}"
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PORTDIR_OVERLAY="$(portageq envvar PORTDIR_OVERLAY)"
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EOF
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}
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build_cross_toolchain() {
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local cross_chost="$1"
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local cross_pkgs=( "${TOOLCHAIN_PKGS[@]/*\//cross-${cross_chost}/}" )
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local PORTDIR="$(portageq envvar PORTDIR)"
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local PKGDIR="${PORTDIR}/packages/crossdev"
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PKGDIR="${PKGDIR}" crossdev \
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--ov-output "/tmp/crossdev" --stable \
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--portage "${clst_myemergeopts}" \
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--init-target --target "${cross_chost}"
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# If PKGCACHE is enabled check to see if binary packages are available.
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# If so then don't perform a full bootstrap and just call emerge instead.
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if [[ -n "${clst_PKGCACHE}" ]] && \
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PKGDIR="${PKGDIR}" emerge ${clst_myemergeopts} \
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--usepkgonly --binpkg-respect-use=y \
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--pretend "${cross_pkgs[@]}" &>/dev/null
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then
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PKGDIR="${PKGDIR}" run_merge -u "${cross_pkgs[@]}"
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else
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PKGDIR="${PKGDIR}" crossdev \
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--ov-output "/tmp/crossdev" --stable \
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--env PKGDIR="${PORTDIR}/packages/crossdev" \
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--portage "${clst_myemergeopts}" \
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--stage4 --target "${cross_chost}"
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fi
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# Setup ccache for our shiny new toolchain
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ccache-config --install-links "${cross_chost}"
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}
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configure_cross_root() {
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local cross_chost="$1"
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local ROOT="/usr/${cross_chost}"
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CHOST="${cross_chost}" ROOT="$ROOT" SYSROOT="$ROOT" \
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configure_portage "cross/${cross_chost}"
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# In order to get a dependency list we must calculate it before
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# updating package.provided. Otherwise portage will no-op.
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get_dependency_list "$ROOT" "${TOOLCHAIN_PKGS[@]}" \
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> "$ROOT/etc/portage/cross-${cross_chost}-depends"
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# Add toolchain to packages.provided since they are on the host system
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mkdir -p "$ROOT/etc/portage/profile/package.provided"
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local native_pkg cross_pkg cross_pkg_version
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for native_pkg in "${TOOLCHAIN_PKGS[@]}"; do
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cross_pkg="${native_pkg/*\//cross-${cross_chost}/}"
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cross_pkg_version=$(portageq match / "${cross_pkg}")
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echo "${native_pkg%/*}/${cross_pkg_version#*/}"
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done > "$ROOT/etc/portage/profile/package.provided/cross-${cross_chost}"
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}
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build_cross_libs() {
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local cross_chost="$1"
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local ROOT="/usr/${cross_chost}"
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local cross_deps=$(<"$ROOT/etc/portage/cross-${cross_chost}-depends")
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# --root is required because run_merge overrides ROOT=
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PORTAGE_CONFIGROOT="$ROOT" run_merge -u --root="$ROOT" $cross_deps
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}
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configure_target_root() {
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local board="$1"
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local cross_chost=$(get_board_chost "$1")
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CHOST="${cross_chost}" ROOT="/build/${board}" \
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SYSROOT="/usr/${cross_chost}" configure_portage "target/${board}"
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}
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build_target_toolchain() {
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local board="$1"
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local ROOT="/build/${board}"
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# --root is required because run_merge overrides ROOT=
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PORTAGE_CONFIGROOT="$ROOT" \
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run_merge -u --root="$ROOT" "${TOOLCHAIN_PKGS[@]}"
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}
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for cross_chost in $(get_chost_list); do
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echo "Building cross toolchain for ${cross_chost}"
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build_cross_toolchain "${cross_chost}"
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configure_cross_root "${cross_chost}"
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build_cross_libs "${cross_chost}"
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done
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for board in $(get_board_list); do
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echo "Building native toolchain for ${bard}"
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configure_target_root "${board}"
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build_target_toolchain "${board}"
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done
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