6.16. Zlib-1.2.3

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

Approximate build time: 0.1 SBU
Required disk space: 3.1 MB
Installation depends on: Binutils, Coreutils, GCC, Glibc, Make, and Sed

6.16.1. Installation of Zlib

[Note]

Note

Zlib is known to build its shared library incorrectly if CFLAGS is specified in the environment. If using a specified CFLAGS variable, be sure to add the -fPIC directive to the CFLAGS variable for the duration of the configure command below, then remove it afterwards.

Prepare Zlib for compilation:

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

Compile the package:

make

To test the results, issue: make check.

Install the shared library:

make install

The previous command installed a .so file in /lib. We will remove it and relink it into /usr/lib:

rm -v /lib/libz.so
ln -sfv ../../lib/libz.so.1.2.3 /usr/lib/libz.so

Build the static library:

make clean
./configure --prefix=/usr
make

To test the results again, issue: make check.

Install the static library:

make install

Fix the permissions on the static library:

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

6.16.2. Contents of Zlib

Installed libraries: libz.[a,so]

Short Descriptions

libz

Contains compression and decompression functions used by some programs

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