How To Install libfl2 on Fedora 34

libfl2 is Libraries for the flex scanner generator Libraries for the flex scanner generator

Introduction

In this tutorial we learn how to install libfl2 on Fedora 34.

What is `libfl2`

flex is a tool for generating scanners. This package contains the shared library with default implementations of main' and yywrap’ functions that binaries using flex can choose to link against instead of implementing on their own. libfl2 2.6.4 7.fc34 x86_64 11 k flex-2.6.4-7.fc34.src.rpm fedora Libraries for the flex scanner generator https BSD and LGPLv2+ flex is a tool for generating scanners. This package contains the shared library with default implementations of main' and yywrap’ functions that binaries using flex can choose to link against instead of implementing on their own.

We can use yum or dnf to install libfl2 on Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install libfl2.

Install libfl2 on Fedora 34 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

After updating yum database, We can install libfl2 using dnf by running the following command:

sudo dnf -y install libfl2

Install libfl2 on Fedora 34 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

After updating yum database, We can install libfl2 using yum by running the following command:

sudo yum -y install libfl2

How To Uninstall libfl2 on Fedora 34

To uninstall only the libfl2 package we can use the following command:

sudo dnf remove libfl2

libfl2 Package Contents on Fedora 34

/usr/lib/.build-id
/usr/lib/.build-id/3e
/usr/lib/.build-id/3e/998a4474231da13878a98145644aee39037d56
/usr/lib64/libfl.so.2
/usr/lib64/libfl.so.2.0.0
/usr/lib/.build-id
/usr/lib/.build-id/f3
/usr/lib/.build-id/f3/8e857038f74cf5e32d56b7eb5e57a42db24727
/usr/lib/libfl.so.2
/usr/lib/libfl.so.2.0.0

References

[libfl2 website](https://github.com/westes/flex https://github.com/westes/flex)

Summary

In this tutorial we learn how to install libfl2 on Fedora 34 using yum and dnf.