#### Beyond Linux® From Scratch (systemd Edition) - Version 10.1

### Chapter 13. Programming

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# Vala-0.50.3

## 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-10.1 platform.

### Package Information

- Download (HTTP): https://download.gnome.org/sources/vala/0.50/vala-0.50.3.tar.xz

- Download (FTP): ftp://ftp.acc.umu.se/pub/gnome/sources/vala/0.50/vala-0.50.3.tar.xz

- Download MD5 sum: 4431e41bce5380ed6481376e927ac0e3

- Download size: 3.4 MB

- Estimated disk space required: 220 MB (add 18 MB for tests)

- Estimated build time: 0.5 SBU (using parallelism=4; add 2.3 SBU for tests)

### Vala Dependencies

#### Required

GLib-2.66.7

#### Recommended

Graphviz-2.44.1 (Required for valadoc)

#### Optional

dbus-1.12.20 (Required for the tests), libxslt-1.1.34 (Required for generating the documentation), help2man, and weasyprint

User Notes: http://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-2.44.1 is not installed.

## Contents

Installed Programs: vala, vala-0.50, valac, valadoc, vala-gen-introspect, and vapigen (symlinks); valac-0.50, valadoc-0.50, vala-gen-introspect-0.50, and vapigen-0.50
Installed Library: libvala-0.50.so and libvaladoc-0.50.so
Installed Directories: /usr/include/vala-0.50, /usr/include/valadoc-0.50, /usr/lib/vala-0.50, /usr/lib/valadoc-0.50, /usr/share/vala, /usr/share/vala-0.50, /usr/share/valadoc-0.50, and /usr/share/devhelp/books/vala-0.50

### 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-0.50.so` | contains the Vala API functions

Last updated on 2021-02-19 22:13:48 -0800

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