交叉编译详解 三 使用脚本自动生成交叉编译链

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简介

鉴于从零制作交叉编译链的命令异常繁杂,很容易因为某个细节出现错误。因此,我将自己创建交叉编译链的步骤写成了脚本,如果大家自己搭建时出现错误,可以直接使用脚本进行创建,以此来确定是自己的步骤有问题还是环境差异造成的。

总共有三个脚本,使用说明和脚本源码见后文:

  • toolchain_mkpj.sh 用于创建编译工程目录
  • toolchain_build.sh 用于编译交叉工具链
  • toolchain_config.lst 配置文件(如果需要定制特殊的交叉编译链可以修改这个文件)

安装host工具

sudo apt-get install libncurses5-devsudo apt-get install gperfsudo apt-get install bisonsudo apt-get install flexsudo apt-get install texinfosudo apt-get install help2mansudo apt-get install gawk楚这三个参数的配置意义

注意:这只是我遇到的需要安装的工具,在编译过程中如果缺了什么工具,请自行安装。

建立SDK工程

按照下列目录结构建立 Develop 文件夹和子目录,并上传脚本文件,顶层目录名字 Develop 可以自由修改。

  • script: 编译脚本所在目录
  • source: 工具链的源码包所在目录(如果没有源码也不用担心,脚本会自动下载)

注意:如果是通过windows上传脚本,记得使用dos2unix命令进行格式转换。

Develop/    ├── script    │   ├── toolchain_build.sh    │   ├── toolchain_config.lst    │   └── toolchain_mkpj.sh    └── source

创建编译工程

$ ./toolchain_mkpj.sh ../../toolchain[INFO] ../../toolchain is not exist, create it[INFO] pkg: binutils-2.27.tar.bz2 is exist, Copy it[INFO] pkg: gcc-5.4.0.tar.bz2 is exist, Copy it[INFO] pkg: glibc-2.23.tar.bz2 is exist, Copy it[INFO] pkg: linux-4.4.25.tar.xz is exist, Copy it../../toolchain├── build├── script│   ├── toolchain_build.sh│   └── toolchain_config.lst├── setup│   ├── binutils-2.27.tar.bz2│   ├── gcc-5.4.0.tar.bz2│   ├── glibc-2.23.tar.bz2│   └── linux-4.4.25.tar.xz├── src└── tool-chain5 directories, 6 files

配置编译参数

进入编译目录并修改配置文件(后续的命令都在该目录下操作)

$ cd ../../toolchain/script/$ vi toolchain_config.lst export PRJROOT=$1                     # [不修改] 工程目录名,自动适配export TARGET=arm-none-linux-gnueabi  # [可修改] 目标编译器名称export PREFIX=${PRJROOT}/tool-chain   # [不修改] 当运行 make install 时的安装目录export TARGET_PREFIX=${PREFIX}/${TARGET} # [不修改]export PATH=${PREFIX}/bin:${PATH}     # [不修改] 将新生成的GCC所在目录加入环境变量。脚本执行完毕后恢复export ARCH=arm                       # [可修改] 需要编译的架构export BINUTILS_VERSION=binutils-2.27 # [可修改] binutils版本export GCC_VERSION=gcc-5.4.0          # [可修改] gcc版本export GLIBC_VERSION=glibc-2.23       # [可修改] glibc版本export KERNEL_VERSION=linux-4.4.25    # [可修改] kernel版本

编译和结果

$ ./toolchain_build.sh

等着吧,如果没问题1个小时左右就编译好了(不同的设备可能编译时间有很大差别),如果有问题,可以给我留言。

Good Luck :)

最终的编译链放在 toolchain/tool-chain 中。

源码

#!/bin/bash# Name: toolchain_mkpj.sh# Author: Peter Peng# Ver: 0.1set -eProjectDir=""function Usage{    echo "usage: `basename $0` [DIR]"    echo "Create a toolchain project."    echo ""}function ProjectMkdir{    if [ ! -d $ProjectDir ]; then        echo "[INFO] $ProjectDir is not exist, create it"        mkdir $ProjectDir    else        echo "[INFO] $ProjectDir is exist"    fi    [ ! -d $ProjectDir/script ] && mkdir $ProjectDir/script    [ ! -d $ProjectDir/setup ] && mkdir $ProjectDir/setup    [ ! -d $ProjectDir/src ] && mkdir $ProjectDir/src    [ ! -d $ProjectDir/build ] && mkdir $ProjectDir/build    [ ! -d $ProjectDir/tool-chain ] && mkdir $ProjectDir/tool-chain    cp toolchain_build.sh $ProjectDir/script    cp toolchain_config.lst $ProjectDir/script}function SourceSetup{    local src=`pwd`/../source    local dest=$PRJROOT/setup    if [ -f $src/$BINUTILS_VERSION.tar.bz2 ]; then        echo "[INFO] pkg: $BINUTILS_VERSION.tar.bz2 is exist, Copy it"        cp $src/$BINUTILS_VERSION.tar.bz2 $dest    else        echo "[INFO] pkg: $BINUTILS_VERSION.tar.bz2 is not exist, Download it"        cd $dest        wget http://ftp.gnu.org/gnu/binutils/$BINUTILS_VERSION.tar.bz2        cd - > /dev/null    fi    if [ -f $src/$GCC_VERSION.tar.bz2 ]; then        echo "[INFO] pkg: $GCC_VERSION.tar.bz2 is exist, Copy it"        cp $src/$GCC_VERSION.tar.bz2 $dest    else        echo "[INFO] pkg: $GCC_VERSION.tar.bz2 is not exist, Download it"        cd $dest        wget http://ftp.gnu.org/gnu/gcc/$GCC_VERSION/$GCC_VERSION.tar.bz2        cd - > /dev/null    fi    if [ -f $src/$GLIBC_VERSION.tar.bz2 ]; then        echo "[INFO] pkg: $GLIBC_VERSION.tar.bz2 is exist, Copy it"        cp $src/$GLIBC_VERSION.tar.bz2 $dest    else        echo "[INFO] pkg: $GLIBC_VERSION.tar.bz2 is not exist, Download it"        cd $dest        wget ftp://ftp.gnu.org/gnu/glibc/$GLIBC_VERSION.tar.bz2        cd - > /dev/null    fi    if [ -f $src/$KERNEL_VERSION.tar.xz ]; then        echo "[INFO] pkg: $KERNEL_VERSION.tar.xz is exist, Copy it"        cp $src/$KERNEL_VERSION.tar.xz $dest    else        echo "[INFO] pkg: $KERNEL_VERSION.tar.xz is not exist, Download it"        cd $dest        wget https://www.kernel.org/pub/linux/kernel/v4.x/$KERNEL_VERSION.tar.xz        cd - > /dev/null    fi}#------------------------------------------------------------------------------------------# main#------------------------------------------------------------------------------------------if [ $# != 1 ]; then    Usage    exit 1; fiProjectDir=$1source toolchain_config.lst $ProjectDirProjectMkdirSourceSetupecho ""tree -L 2 $ProjectDir
#!/bin/bash# Name: toolchain_config.lst# Author: Peter Peng# Ver: 0.1export PRJROOT=$1export TARGET=arm-none-linux-gnueabiexport PREFIX=${PRJROOT}/tool-chainexport TARGET_PREFIX=${PREFIX}/${TARGET}export PATH=${PREFIX}/bin:${PATH}export ARCH=armexport BINUTILS_VERSION=binutils-2.27export GCC_VERSION=gcc-5.4.0export GLIBC_VERSION=glibc-2.23export KERNEL_VERSION=linux-4.4.25
#!/bin/bash# Name: toolchain_build.sh# Author: Peter Peng# Ver: 0.1set -ePWD_DIR=`pwd`ROOT_DIR=`dirname $PWD_DIR`SETUP_DIR=$ROOT_DIR/setupBUILD_DIR=$ROOT_DIR/buildSRC_DIR=$ROOT_DIR/srcSCRIPT_DIR=$ROOT_DIR/scriptfunction BinutilsBuild{    echo "[INFO] $BINUTILS_VERSION build begin"    if [ ! -d $SRC_DIR/$BINUTILS_VERSION ]; then        cd $SRC_DIR        echo "[DEBUG] $BINUTILS_VERSION: uncompress tar.bz2"        tar -jxf $SETUP_DIR/$BINUTILS_VERSION.tar.bz2        cd - > /dev/null    fi    if [ ! -d $BUILD_DIR/$BINUTILS_VERSION ]; then        mkdir $BUILD_DIR/$BINUTILS_VERSION    fi    cd $BUILD_DIR/$BINUTILS_VERSION    echo "[DEBUG] $BINUTILS_VERSION: configure"    sh $SRC_DIR/$BINUTILS_VERSION/configure --target=$TARGET --prefix=$PREFIX --disable-nls --enable-shared    echo "[DEBUG] $BINUTILS_VERSION: make"    make    echo "[DEBUG] $BINUTILS_VERSION: make install"    make install    cd - > /dev/null    echo "[INFO] $BINUTILS_VERSION build succeed"}function GCCBuild_BOOTSTRAP{    echo "[INFO] $GCC_VERSION build bootstrap begin"    if [ ! -d $SRC_DIR/$GCC_VERSION ]; then        cd $SRC_DIR        echo "[DEBUG] $GCC_VERSION: uncompress tar.bz2"        tar -jxf $SETUP_DIR/$GCC_VERSION.tar.bz2        cd $GCC_VERSION        ./contrib/download_prerequisites    fi    if [ ! -d $BUILD_DIR/"$GCC_VERSION"_bootstrap ]; then        mkdir $BUILD_DIR/"$GCC_VERSION"_bootstrap    fi    cd $BUILD_DIR/"$GCC_VERSION"_bootstrap    echo "[DEBUG] $GCC_VERSION: configure"    sh $SRC_DIR/$GCC_VERSION/configure --target=$TARGET --prefix=$PREFIX --disable-shared --disable-threads --without-headers --disable-libmudflap --enable-languages=c,c++ --disable-nls    echo "[DEBUG] $GCC_VERSION: make all-gcc"    make all-gcc    echo "[DEBUG] $GCC_VERSION: make install-gcc"    make install-gcc    echo "[DEBUG] $GCC_VERSION: make all-target-libgcc"    make all-target-libgcc    echo "[DEBUG] $GCC_VERSION: make install-target-libgcc"    make install-target-libgcc    cd - > /dev/null    echo "[INFO] $GCC_VERSION build bootstrap succeed"}function GIBCBuild{    echo "[INFO] $GLIBC_VERSION build begin"    if [ ! -d $SRC_DIR/$GLIBC_VERSION ]; then        cd $SRC_DIR        echo "[DEBUG] $GLIBC_VERSION: uncompress tar.bz2"        tar -jxf $SETUP_DIR/$GLIBC_VERSION.tar.bz2        cd - > /dev/null    fi    if [ ! -d $BUILD_DIR/$GLIBC_VERSION ]; then        mkdir $BUILD_DIR/$GLIBC_VERSION    fi    cd $BUILD_DIR/$GLIBC_VERSION    echo "[DEBUG] $GLIBC_VERSION: configure"    sh $SRC_DIR/$GLIBC_VERSION/configure --host=$TARGET --prefix=$PREFIX/$TARGET --with-tls --disable-profile --enable-add-ons --with-headers=$PREFIX/$TARGET/include libc_cv_forced_unwind=yes libc_cv_c_cleanup=yes libc_cv_arm_tls=yes --disable-nls    echo "[DEBUG] $GLIBC_VERSION: make"    make CC=$TARGET-gcc AR=$TARGET-ar RANLIB=$TARGET-ranlib    echo "[DEBUG] $GLIBC_VERSION: make install"    make install    cd - > /dev/null    echo "[INFO] $GLIBC_VERSION build succeed"}function GCCBuild{    echo "[INFO] $GCC_VERSION build begin"    if [ ! -d $BUILD_DIR/$GCC_VERSION ]; then        mkdir $BUILD_DIR/$GCC_VERSION    fi    cd $BUILD_DIR/$GCC_VERSION    echo "[DEBUG] $GCC_VERSION: configure"    sh $SRC_DIR/$GCC_VERSION/configure --target=$TARGET --prefix=$PREFIX --enable-languages=c,c++ --enable-shared --disable-nls    echo "[DEBUG] $GCC_VERSION: make"    make    echo "[DEBUG] $GCC_VERSION: make install"    make install    cd - > /dev/null    echo "[INFO] $GCC_VERSION build succeed"}function InstallKernelHeaders{    echo "[INFO] $KERNEL_VERSION install headers begin"    if [ ! -d $SRC_DIR/$KERNEL_VERSION ]; then        cd $SRC_DIR        echo "[DEBUG] $KERNEL_VERSION: uncompress tar.xz"        tar -xf $SETUP_DIR/$KERNEL_VERSION.tar.xz        cd - > /dev/null    fi    cd $SRC_DIR/$KERNEL_VERSION    echo "[DEBUG] $KERNEL_VERSION: make headers_install"    make ARCH=$ARCH CROSS_COMPILE=$TARGET- INSTALL_HDR_PATH=$PREFIX/$TARGET headers_install    cd - > /dev/null    echo "[INFO] $KERNEL_VERSION install headers succeed"}#------------------------------------------------------------------------------------------# main#------------------------------------------------------------------------------------------source toolchain_config.lst $ROOT_DIRBinutilsBuildInstallKernelHeadersGCCBuild_BOOTSTRAPGIBCBuildGCCBuild
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