10.20. Zlib-1.2.3

#### Cross-Compiled Linux From Scratch - Version 1.0.0rc1-ALPHA

### Chapter 10. Installing Basic System Software

- Prev

  Readline-5.1

- Next

  Autoconf-2.59

- Up.
- Home

# 10.20. Zlib-1.2.3

The Zlib package contains compression and decompression routines used by some programs.

## 10.20.1. Installation of Zlib

This patch will add -fPIC to our build and allow us to build a static and shared library at the same time:

    patch -Np1 -i ../zlib-1.2.3-fPIC-1.patch

Prepare Zlib for compilation:

    ./configure --prefix=/usr --shared

Compile the package:

    make

To test the results, issue: `make check`.

Install the package:

    make install

The previous command installed a `.so` file in `/usr/lib`. We will move it into `/lib` and then relink it to `/usr/lib`:

    mv -v /usr/lib/libz.so.* /lib
    ln -svf ../../lib/libz.so.1 /usr/lib/libz.so

Now we fix the permissions on the static library:

    chmod -v 644 /usr/lib/libz.a

## 10.20.2. Contents of Zlib

Installed libraries: libz.[a,so]

### Short Descriptions

`libz` | Contains compression and decompression functions used by some programs

- Prev

  Readline-5.1

- Next

  Autoconf-2.59

- Up.
- Home.