#### Beyond Linux® From Scratch (systemd Edition) - Version 11.1

### Chapter 13. Programming

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# Vala-0.54.7

## Introduction to Vala

Vala is a new programming language that aims to bring modern programming language features to GNOME developers without imposing any additional runtime requirements and without using a different ABI compared to applications and libraries written in C.

This package is known to build and work properly using an LFS-11.1 platform.

### Package Information

- Download (HTTP): https://download.gnome.org/sources/vala/0.54/vala-0.54.7.tar.xz

- Download (FTP): ftp://ftp.acc.umu.se/pub/gnome/sources/vala/0.54/vala-0.54.7.tar.xz

- Download MD5 sum: 373811fe2e70efc45b383d9fa954eac8

- Download size: 3.7 MB

- Estimated disk space required: 191 MB (add 17 MB for tests)

- Estimated build time: 0.5 SBU (using parallelism=4; add 3.1 SBU for tests)

### Vala Dependencies

#### Required

GLib-2.70.4

#### Recommended

Graphviz-2.50.0 (Required for valadoc)

#### Optional

dbus-1.12.20 (Required for the tests), libxslt-1.1.35 (Required for generating the documentation), help2man, jing, and weasyprint

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/vala

## Installation of Vala

Install Vala by running the following commands:

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

To test the results, issue: make check.

Now, as the `root` user:

    make install

## Command Explanations

`--disable-valadoc`: This option is required if Graphviz-2.50.0 is not installed.

## Contents

Installed Programs: vala, vala-0.54, valac, valadoc, vala-gen-introspect, and vapigen (symlinks); valac-0.54, valadoc-0.54, vala-gen-introspect-0.54, and vapigen-0.54
Installed Library: libvala-0.54.so and libvaladoc-0.54.so
Installed Directories: /usr/include/vala-0.54, /usr/include/valadoc-0.54, /usr/lib/vala-0.54, /usr/lib/valadoc-0.54, /usr/share/vala, /usr/share/vala-0.54, /usr/share/valadoc-0.54, and /usr/share/devhelp/books/vala-0.54

### Short Descriptions

valac | is a compiler that translates Vala source code into C source and header files
valadoc | is a documentation generator for generating API documentation from Vala source code based on libvala
vala-gen-introspect | generates a GI file for GObject and GLib based packages
vapigen | is an utility which generates Vala API (VAPI) files from GI files
`libvala-0.54.so` | contains the Vala API functions

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