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| #!/bin/bash | |
| # | |
| # linux kernel CROSS make wrapper | |
| # | |
| # It will download/unpack the cross tool chain if necessary, | |
| # then invoke make with suitable options. | |
| # | |
| # It detects ARCH in 4 ways. | |
| # | |
| # - make.i386 # make it a symlink to this script | |
| # - make.cross ARCH=i386 | |
| # - cd obj-i386; make.cross | |
| # - export ARCH=i386; make.cross | |
| # | |
| # Copyright (c) 2014, Intel Corporation. | |
| # Author: Fengguang Wu <[email protected]> | |
| # Credit: Tony Breeds <[email protected]> for crosstool | |
| GCC_INSTALL_PATH=/opt | |
| if [[ ! "$0" =~ 'make.cross' && "$0" =~ make\.([a-z0-9_]+) ]]; then | |
| export ARCH="${BASH_REMATCH[1]}" | |
| elif [[ "$*" =~ ARCH=([a-z0-9_]+) ]]; then | |
| export ARCH="${BASH_REMATCH[1]}" | |
| elif [[ ${PWD##*-} =~ ^(i386|x86_64|alpha|arm|arm64|avr32|blackfin|c6x|cris|frv|h8300|hexagon|ia64|m32r|m68k|microblaze|mips|mn10300|openrisc|parisc|powerpc64|powerpc32|s390|score|sh|sh64|sparc|sparc32|sparc64|tile|tilepro|tilegx|um|unicore32|xtensa)$ ]]; then | |
| export ARCH=${PWD##*-} | |
| elif [[ ! $ARCH ]]; then | |
| export ARCH=x86_64 | |
| fi | |
| [[ "$*" =~ ARCH=([a-z0-9_]+) ]] && [[ $ARCH != ${BASH_REMATCH[1]} ]] && { | |
| echo "Conflicting ARCH specified! $ARCH ${BASH_REMATCH[1]}" | |
| exit 1 | |
| } | |
| shopt -s nullglob | |
| install_packages() | |
| { | |
| [[ ! -x /usr/bin/xz || ! -x /usr/bin/lftp ]] && { | |
| if [[ -x /usr/bin/apt-get ]]; then | |
| echo apt-get install xz-utils lftp | |
| sudo apt-get install xz-utils lftp | |
| else | |
| echo Please install: xz-utils lftp | |
| exit 1 | |
| fi | |
| } | |
| } | |
| download_extract() | |
| { | |
| local URL="$1" | |
| echo lftpget -c $URL | |
| lftpget -c $URL | |
| local file="$(basename $URL)" | |
| echo tar Jxf $file -C $GCC_INSTALL_PATH | |
| sudo tar Jxf $file -C $GCC_INSTALL_PATH | |
| } | |
| install_crosstool() | |
| { | |
| local URL=https://cdn.kernel.org/pub/tools/crosstool/files/bin | |
| local list=/tmp/crosstool-files | |
| [[ -s $list ]] || { | |
| local os_bit="$(getconf LONG_BIT)" | |
| if [[ $os_bit = 32 ]]; then | |
| local os_arch=i686 | |
| else | |
| local os_arch=x86_64 | |
| fi | |
| lftp -c "open $URL && find $os_arch > $list" || exit | |
| } | |
| local file | |
| file=$(grep "${gcc_arch}.*\.tar\.xz" $list | tail -1) | |
| [[ $file ]] || { | |
| echo "Cannot find $gcc_arch under $URL check $list" | |
| exit 1 | |
| } | |
| download_extract "$URL/$file" | |
| } | |
| install_linaro() | |
| { | |
| local URL='http://releases.linaro.org/14.08/components/toolchain/binaries' | |
| local file='gcc-linaro-aarch64-linux-gnu-4.9-2014.08_linux.tar.xz' | |
| download_extract "$URL/$file" | |
| local dir="$GCC_INSTALL_PATH/$(basename $file .tar.xz)" | |
| local cross_gcc_version=($dir/bin/${gcc_arch}-gcc-*.*.*) | |
| local cross_gcc_version=${cross_gcc_version##*-} | |
| echo mkdir -p $GCC_INSTALL_PATH/gcc-$cross_gcc_version | |
| sudo mkdir -p $GCC_INSTALL_PATH/gcc-$cross_gcc_version | |
| echo mv $dir $GCC_INSTALL_PATH/gcc-$cross_gcc_version/$gcc_arch | |
| sudo mv $dir $GCC_INSTALL_PATH/gcc-$cross_gcc_version/$gcc_arch | |
| } | |
| install_cross_compiler() | |
| { | |
| install_packages | |
| if [[ $gcc_arch =~ 'aarch64' ]]; then | |
| install_linaro | |
| else | |
| install_crosstool | |
| fi | |
| } | |
| setup_crosstool() | |
| { | |
| local gcc_arch | |
| local gcc_exec | |
| case $ARCH in | |
| i386|x86_64) | |
| gcc_arch= | |
| ;; | |
| um) | |
| gcc_arch= | |
| ;; | |
| arm) | |
| gcc_arch=arm-unknown-linux-gnueabi | |
| ;; | |
| arm64) | |
| gcc_arch=aarch64-linux-gnu | |
| ;; | |
| powerpc64) | |
| gcc_arch=powerpc64-linux | |
| ;; | |
| powerpc32) | |
| gcc_arch=powerpc-linux | |
| ;; | |
| blackfin) | |
| gcc_arch=bfin-uclinux | |
| ;; | |
| sh) | |
| gcc_arch=sh4-linux | |
| ;; | |
| parisc) | |
| if grep -s -q 'CONFIG_64BIT=y' $SRC_ROOT/arch/parisc/configs/$config; then | |
| gcc_arch=hppa64-linux | |
| else | |
| gcc_arch=hppa-linux | |
| fi | |
| ;; | |
| openrisc) | |
| gcc_arch=or32-linux | |
| ;; | |
| s390) | |
| gcc_arch=s390x-linux | |
| ;; | |
| tile|tilegx) | |
| gcc_arch=tilegx-linux | |
| ;; | |
| mn10300) | |
| gcc_arch=am33_2.0-linux | |
| ;; | |
| *) | |
| gcc_arch=$ARCH-linux | |
| ;; | |
| esac | |
| if [[ $gcc_arch ]]; then | |
| gcc_exec=($GCC_INSTALL_PATH/gcc-*/${gcc_arch}/bin/${gcc_arch}-gcc) | |
| [[ -x $gcc_exec ]] || install_cross_compiler | |
| gcc_exec=($GCC_INSTALL_PATH/gcc-*/${gcc_arch}/bin/${gcc_arch}-gcc) | |
| [[ -x $gcc_exec ]] || { | |
| echo "No cross compiler for $ARCH" | |
| exit | |
| } | |
| # use highest available version | |
| gcc_exec=${gcc_exec[-1]} | |
| opt_cross="CROSS_COMPILE=${gcc_exec%gcc}" | |
| else | |
| opt_cross= | |
| fi | |
| } | |
| setup_crosstool | |
| [[ "$*" =~ (-j|--jobs) ]] || { | |
| nr_cpu=$(getconf _NPROCESSORS_CONF) | |
| opt_jobs="--jobs=$((nr_cpu * 2))" | |
| } | |
| [[ "$*" =~ "ARCH=$ARCH" ]] || { | |
| opt_arch="ARCH=$ARCH" | |
| } | |
| if [ -d obj-$ARCH ]; then | |
| export KBUILD_OUTPUT=obj-$ARCH | |
| O=KBUILD_OUTPUT=obj-$ARCH | |
| fi | |
| [[ -f .make-env ]] && source ./.make-env | |
| if [[ -d source && -L source ]]; then | |
| echo make -C source O=$PWD $opt_arch $opt_cross $subarch $opt_jobs "$@" | |
| exec make -C source O=$PWD $opt_arch $opt_cross $subarch $opt_jobs "$@" | |
| else | |
| echo make $O $opt_arch $opt_cross $subarch $opt_jobs "$@" | |
| exec make $O $opt_arch $opt_cross $subarch $opt_jobs "$@" | |
| fi |
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