mirror of
https://gitlab.alpinelinux.org/alpine/aports.git
synced 2025-07-24 19:55:26 +03:00
88b19d170e
Current abuild has a bug that when CC is defined, it's used to guess build architecture. But during cross-compile setup it points to cross compiler and causing breakage. Export CBUILD after initial abuild functions.sh run to workaround this.
125 lines
4.2 KiB
Bash
Executable file
125 lines
4.2 KiB
Bash
Executable file
#!/bin/sh
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set -e
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TARGET_ARCH="$1"
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SUDO_APK=abuild-apk
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# optional cross build packages
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KERNEL_PKG="linux-firmware linux-lts"
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# get abuild configurables
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[ -e /usr/share/abuild/functions.sh ] || (echo "abuild not found" ; exit 1)
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CBUILDROOT="$(CTARGET=$TARGET_ARCH . /usr/share/abuild/functions.sh ; echo $CBUILDROOT)"
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. /usr/share/abuild/functions.sh
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[ -z "$CBUILD_ARCH" ] && die "abuild is too old (use 2.29.0 or later)"
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[ -z "$CBUILDROOT" ] && die "CBUILDROOT not set for $TARGET_ARCH"
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export CBUILD
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# deduce aports directory
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[ -z "$APORTS" ] && APORTS=$(realpath $(dirname $0)/../)
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[ -e "$APORTS/main/build-base" ] || die "Unable to deduce aports base checkout"
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apkbuildname() {
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local repo="${1%%/*}"
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local pkg="${1##*/}"
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[ "$repo" = "$1" ] && repo="main"
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echo $APORTS/$repo/$pkg/APKBUILD
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}
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msg() {
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[ -n "$quiet" ] && return 0
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local prompt="$GREEN>>>${NORMAL}"
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local name="${BLUE}bootstrap-${TARGET_ARCH}${NORMAL}"
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printf "${prompt} ${name}: %s\n" "$1" >&2
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}
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if [ -z "$TARGET_ARCH" ]; then
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program=$(basename $0)
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cat <<EOF
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usage: $program TARGET_ARCH
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This script creates a local cross-compiler, and uses it to
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cross-compile an Alpine Linux base system for new architecture.
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Steps for introducing new architecture include:
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- adding the compiler triplet and arch type to abuild
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- adding the arch type detection to apk-tools
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- adjusting build rules for packages that are arch aware:
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gcc, openssl, linux-headers
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- create new kernel config for linux-lts
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After these steps the initial cross-build can be completed
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by running this with the target arch as parameter, e.g.:
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./$program aarch64
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EOF
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return 1
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fi
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if [ ! -d "$CBUILDROOT" ]; then
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msg "Creating sysroot in $CBUILDROOT"
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mkdir -p "$CBUILDROOT/etc/apk/keys"
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cp -a /etc/apk/keys/* "$CBUILDROOT/etc/apk/keys"
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${SUDO_APK} add --quiet --initdb --arch $TARGET_ARCH --root $CBUILDROOT
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fi
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msg "Building cross-compiler"
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# Build and install cross binutils (--with-sysroot)
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CTARGET=$TARGET_ARCH BOOTSTRAP=nobase APKBUILD=$(apkbuildname binutils) abuild -r
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if ! CHOST=$TARGET_ARCH BOOTSTRAP=nolibc APKBUILD=$(apkbuildname musl) abuild up2date 2>/dev/null; then
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# C-library headers for target
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CHOST=$TARGET_ARCH BOOTSTRAP=nocc APKBUILD=$(apkbuildname musl) abuild -r
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# Minimal cross GCC
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EXTRADEPENDS_HOST="musl-dev" \
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CTARGET=$TARGET_ARCH BOOTSTRAP=nolibc APKBUILD=$(apkbuildname gcc) abuild -r
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# Cross build bootstrap C-library for the target
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EXTRADEPENDS_BUILD="gcc-pass2-$TARGET_ARCH" \
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CHOST=$TARGET_ARCH BOOTSTRAP=nolibc APKBUILD=$(apkbuildname musl) abuild -r
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fi
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# Full cross GCC
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EXTRADEPENDS_TARGET="musl musl-dev" \
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CTARGET=$TARGET_ARCH BOOTSTRAP=nobase APKBUILD=$(apkbuildname gcc) abuild -r
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# Cross build-base
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CTARGET=$TARGET_ARCH BOOTSTRAP=nobase APKBUILD=$(apkbuildname build-base) abuild -r
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msg "Cross building base system"
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# add implicit target prerequisite packages
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apk info --quiet --installed --root "$CBUILDROOT" libgcc libstdc++ musl-dev || \
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${SUDO_APK} --root "$CBUILDROOT" add --repository "$REPODEST/main" libgcc libstdc++ musl-dev
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# ordered cross-build
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for PKG in fortify-headers linux-headers musl libc-dev pkgconf zlib \
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openssl ca-certificates libbsd libtls-standalone busybox busybox-initscripts binutils make \
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apk-tools file \
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gmp mpfr4 mpc1 isl cloog gcc \
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openrc alpine-conf alpine-baselayout alpine-keys alpine-base build-base \
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attr libcap patch sudo acl fakeroot tar \
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pax-utils lzip abuild ncurses libedit openssh \
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libcap-ng util-linux libaio lvm2 popt xz \
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json-c argon2 cryptsetup kmod lddtree mkinitfs \
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community/go libffi community/ghc \
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$KERNEL_PKG ; do
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CHOST=$TARGET_ARCH BOOTSTRAP=bootimage APKBUILD=$(apkbuildname $PKG) abuild -r
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case "$PKG" in
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fortify-headers | libc-dev | build-base)
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# headers packages which are implicit but mandatory dependency
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apk info --quiet --installed --root "$CBUILDROOT" $PKG || \
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${SUDO_APK} --update --root "$CBUILDROOT" --repository "$REPODEST/main" add $PKG
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;;
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musl | gcc)
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# target libraries rebuilt, force upgrade
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[ "$(apk upgrade --root "$CBUILDROOT" --repository "$REPODEST/main" --available --simulate | wc -l)" -gt 1 ] &&
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${SUDO_APK} upgrade --root "$CBUILDROOT" --repository "$REPODEST/main" --available
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;;
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esac
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done
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