编译 bzip2

PREFIX=$HOME/usr/local
# yumdownloader --source bzip2-devel
rpm2cpio bzip2-1.0.6-13.el7.src.rpm | cpio -id
tar zxf bzip2-1.0.6.tar.gz
patch -p0 < bzip2-1.0.4-saneso.patch
patch -p0 < bzip2-1.0.4-cflags.patch
cd bzip2-1.0.6
patch -p1 < ../bzip2-1.0.4-bzip2recover.patch
make PREFIX=$PREFIX install || exit 1
make clean
make -f Makefile-libbz2_so || exit 1
ln -s libbz2.so.1.0.6 libbz2.so.1
ln -s libbz2.so.1 libbz2.so
cp libbz2.so.1.0.6 $PREFIX/lib
cp -a libbz2.so.1 libbz2.so $PREFIX/lib