smart-os/01_build_src.sh
2022-07-27 00:50:27 +08:00

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#!/bin/sh
SYSROOT=`pwd`"/rootfs"
#----------------------------------------------
#
# 下载源码
#
#----------------------------------------------
mkdir -pv source
cd source
#KERNEL_SOURCE_URL=https://kernel.org/pub/linux/kernel/v4.x/linux-4.14.9.tar.xz
KERNEL_SOURCE_URL=https://mirror.bjtu.edu.cn/kernel/linux/kernel/v4.x/linux-4.14.9.tar.xz
if [ ! -f "linux-4.14.9.tar.xz" ]; then
wget $KERNEL_SOURCE_URL
fi
GLIBC_SOURCE_URL=https://ftp.gnu.org/gnu/glibc/glibc-2.32.tar.bz2
if [ ! -f "glibc-2.32.tar.bz2" ]; then
wget $GLIBC_SOURCE_URL
fi
BUSYBOX_SOURCE_URL=https://busybox.net/downloads/busybox-1.34.1.tar.bz2
if [ ! -f "busybox-1.34.1.tar.bz2" ]; then
wget $BUSYBOX_SOURCE_URL
fi
GCC_SOURCE_URL=https://ftpmirror.gnu.org/gcc/gcc-7.5.0/gcc-7.5.0.tar.xz
if [ ! -f "gcc-7.5.0.tar.xz" ]; then
wget $GCC_SOURCE_URL
fi
cd ..
#---------------------------------------------
#
# 解压源码
#
#---------------------------------------------
mkdir -pv work
if [ ! -d "./work/linux-4.14.9" ]; then
tar xvf source/linux-4.14.9.tar.xz -C work/
fi
if [ ! -d "./work/glibc-2.32" ]; then
tar xvf source/glibc-2.32.tar.bz2 -C work/
fi
if [ ! -d "./work/busybox-1.34.1" ]; then
tar xvf source/busybox-1.34.1.tar.bz2 -C work/
fi
if [ ! -d "./work/gcc-7.5.0" ]; then
tar xvf source/gcc-7.5.0.tar.xz -C work/
fi
#---------------------------------------------
#
# 编译源码
#
#---------------------------------------------
cd work
kernel_install=`pwd`"/kernel_install"
glibc_install=`pwd`"/glibc_install"
busybox_install=`pwd`"/busybox_install"
libgcc_install=`pwd`"/libgcc_install"
# 编译内核, 最终所有模块都装到目录 /lib/modules/4.14.9
if [ ! -d "kernel_install" ]; then
mkdir -pv kernel_install && cd linux-4.14.9
# Enable the VESA framebuffer for graphics support.
# 网络需要 TUN/TAP 驱动 [ Device Drivers ] ---> [ Network device support ] ---> [ Universal TUN/TAP device driver support ]
make x86_64_defconfig && sed -i "s/.*CONFIG_FB_VESA.*/CONFIG_FB_VESA=y/" .config && make bzImage -j8
#cd linux-4.14.9 && make x86_64_defconfig && make bzImage -j8 && make modules && make modules_install && cd ..
make INSTALL_HDR_PATH=${kernel_install} headers_install -j8 && cp arch/x86_64/boot/bzImage ${kernel_install}
cd ..
fi
# 编译glibc
if [ ! -d "glibc_install" ]; then
echo $PATH
mkdir -pv glibc_install && cd glibc-2.32
mkdir -pv build && cd build && make distclean
../configure --prefix= \
--with-headers=${kernel_install}/include/ \
--without-gd \
--without-selinux \
--disable-werror
make -j8 && make install -j8 DESTDIR=${glibc_install}
cd .. && cd ..
fi
# 编译 busybox
if [ ! -d "busybox_install" ]; then
mkdir -pv busybox_install && cd busybox-1.34.1 && make distclean && make defconfig
# 静态编译 sed -i "s/# CONFIG_STATIC is not set/CONFIG_STATIC=y/g" .config
sed -i "s|.*CONFIG_SYSROOT.*|CONFIG_SYSROOT=\"${glibc_install}\"|" .config
sed -i "s|.*CONFIG_EXTRA_CFLAGS.*|CONFIG_EXTRA_CFLAGS=\"$CFLAGS -I${kernel_install}/include -I${glibc_install}/include -L${glibc_install}/lib\"|" .config
export PATH=/sbin:/bin:/usr/sbin:/usr/bin
make busybox -j8 && make CONFIG_PREFIX=${busybox_install} install && cd ..
fi
# 编译 libgcc
if [ ! -d "libgcc_install" ]; then
mkdir -pv libgcc_install && cd gcc-7.5.0
./contrib/download_prerequisites
./configure --prefix=${libgcc_install} --enable-languages=c,c++ --disable-multilib --disable-static --disable-libquadmath --enable-shared
CFLAGS="-L${glibc_install}/lib $CFLAGS" make -j8 all-gcc && make -j8 && make install -j8
cd ..
fi
cd ..