How To Install mozjs78 on Fedora 34

mozjs78 is SpiderMonkey JavaScript library SpiderMonkey JavaScript library

Introduction

In this tutorial we learn how to install mozjs78 on Fedora 34.

What is `mozjs78`

SpiderMonkey is the code-name for Mozilla Firefox’s C++ implementation of JavaScript. It is intended to be embedded in other applications that provide host environments for JavaScript. mozjs78 78.12.0 1.fc34 x86_64 8.2 M mozjs78-78.12.0-1.fc34.src.rpm updates SpiderMonkey JavaScript library https MPLv2.0 and MPLv1.1 and BSD and GPLv2+ and GPLv3+ and LGPLv2+ and AFL and ASL 2.0 SpiderMonkey is the code-name for Mozilla Firefox’s C++ implementation of JavaScript. It is intended to be embedded in other applications that provide host environments for JavaScript.

We can use yum or dnf to install mozjs78 on Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install mozjs78.

Install mozjs78 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 mozjs78 using dnf by running the following command:

sudo dnf -y install mozjs78

Install mozjs78 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 mozjs78 using yum by running the following command:

sudo yum -y install mozjs78

How To Uninstall mozjs78 on Fedora 34

To uninstall only the mozjs78 package we can use the following command:

sudo dnf remove mozjs78

mozjs78 Package Contents on Fedora 34

/usr/lib/.build-id
/usr/lib/.build-id/66
/usr/lib/.build-id/66/12827935cbdd355b5d85705b9da5c62128c164
/usr/lib64/libmozjs-78.so.0
/usr/lib64/libmozjs-78.so.0.0.0
/usr/share/doc/mozjs78
/usr/share/doc/mozjs78/README.html
/usr/share/licenses/mozjs78
/usr/share/licenses/mozjs78/LICENSE
/usr/lib/.build-id
/usr/lib/.build-id/c7
/usr/lib/.build-id/c7/d70470e1ae9889d05fb62783c97c2bac5cca44
/usr/lib/libmozjs-78.so.0
/usr/lib/libmozjs-78.so.0.0.0
/usr/share/doc/mozjs78
/usr/share/doc/mozjs78/README.html
/usr/share/licenses/mozjs78
/usr/share/licenses/mozjs78/LICENSE
/usr/lib/.build-id
/usr/lib/.build-id/d0
/usr/lib/.build-id/d0/3a97c3c586c6800724655386e4bf7be13366c4
/usr/lib64/libmozjs-78.so.0
/usr/lib64/libmozjs-78.so.0.0.0
/usr/share/doc/mozjs78
/usr/share/doc/mozjs78/README.html
/usr/share/licenses/mozjs78
/usr/share/licenses/mozjs78/LICENSE
/usr/lib/.build-id
/usr/lib/.build-id/da
/usr/lib/.build-id/da/5f0a3e692d3530a50a5bcaa84cda5febb01aab
/usr/lib/libmozjs-78.so.0
/usr/lib/libmozjs-78.so.0.0.0
/usr/share/doc/mozjs78
/usr/share/doc/mozjs78/README.html
/usr/share/licenses/mozjs78
/usr/share/licenses/mozjs78/LICENSE

References

[mozjs78 website](https://developer.mozilla.org/en-US/docs/Mozilla/Projects/SpiderMonkey https://developer.mozilla.org/en-US/docs/Mozilla/Projects/SpiderMonkey)

Summary

In this tutorial we learn how to install mozjs78 on Fedora 34 using yum and dnf.