55-strip-clean.sh

#!/bin/bash
# QQ群：111601117、钉钉群：35948877

# 避免chroot后执行
id lfs >/dev/null 2>&1
if [ $? = 0 ]; then
    source `dirname ${BASH_SOURCE[0]}`/lfs.sh
    cp -v ${BASH_SOURCE[0]} $LFS/task.sh
    sed "s/_LFS_VERSION/$(getConf LFS_VERSION)/g" -i $LFS/task.sh
    sed "s/_LFS_BUILD_PROC/$LFS_BUILD_PROC/g" -i $LFS/task.sh
    source `dirname ${BASH_SOURCE[0]}`/chroot.sh
    rm -fv $LFS/task.sh
    exit
fi

# 来自chroot之后的调用

# 移除调度符号
save_usrlib="$(cd /usr/lib; ls ld-linux*[^g])
             libc.so.6
             libthread_db.so.1
             libquadmath.so.0.0.0
             libstdc++.so.6.0.30
             libitm.so.1.0.0
             libatomic.so.1.2.0"

cd /usr/lib

for LIB in $save_usrlib; do
    objcopy --only-keep-debug $LIB $LIB.dbg
    cp $LIB /tmp/$LIB
    strip --strip-unneeded /tmp/$LIB
    objcopy --add-gnu-debuglink=$LIB.dbg /tmp/$LIB
    install -vm755 /tmp/$LIB /usr/lib
    rm /tmp/$LIB
done

online_usrbin="bash find strip"
online_usrlib="libbfd-2.39.so
               libhistory.so.8.1
               libncursesw.so.6.3
               libm.so.6
               libreadline.so.8.1
               libz.so.1.2.12
               $(cd /usr/lib; find libnss*.so* -type f)"

for BIN in $online_usrbin; do
    cp /usr/bin/$BIN /tmp/$BIN
    strip --strip-unneeded /tmp/$BIN
    install -vm755 /tmp/$BIN /usr/bin
    rm /tmp/$BIN
done

for LIB in $online_usrlib; do
    cp /usr/lib/$LIB /tmp/$LIB
    strip --strip-unneeded /tmp/$LIB
    install -vm755 /tmp/$LIB /usr/lib
    rm /tmp/$LIB
done

for i in $(find /usr/lib -type f -name \*.so* ! -name \*dbg) \
         $(find /usr/lib -type f -name \*.a)                 \
         $(find /usr/{bin,sbin,libexec} -type f); do
    case "$online_usrbin $online_usrlib $save_usrlib" in
        *$(basename $i)* )
            ;;
        * ) strip --strip-unneeded $i
            ;;
    esac
done

unset BIN LIB save_usrlib online_usrbin online_usrlib


# 清理
rm -rf /tmp/*
find /usr/lib /usr/libexec -name \*.la -delete
find /usr -depth -name $(uname -m)-lfs-linux-gnu\* | xargs rm -rf
userdel -r tester