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

Chapter 9. General Libraries

gobject-introspection-1.70.0

Introduction to GObject Introspection

The GObject Introspection is used to describe the program APIs and collect them in a uniform, machine readable format.

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

Package Information

Additional Downloads

GObject Introspection Dependencies

Required

GLib-2.70.4

Optional

Cairo-1.17.4 (required for the tests), Gjs-1.70.1 (to satisfy one test), GTK-Doc-1.33.2, Mako-1.1.6, and Markdown (to satisfy one test)

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/gobject-introspection

Installation of GObject Introspection

First apply a patch that allows building with meson version 0.61 or above: 

patch -Np1 -i ../gobject-introspection-1.70.0-build_fix-1.patch

Install GObject Introspection by running the following commands: 

mkdir build &&
cd    build &&

meson --prefix=/usr --buildtype=release .. &&
ninja

To test the results, issue: ninja test. If Mako-1.1.6 is installed but the Python 3 module named Markdown (not in BLFS) is not, one test named test_docwriter.py will fail.

Now, as the root user: 

ninja install

Command Explanations

--buildtype=release: Specify a buildtype suitable for stable releases of the package, as the default may produce unoptimized binaries.

-Dgtk_doc=true: Build and install the documentation.

-Dcairo=enabled: Use cairo for tests.

-Ddoctool=enabled: Install g-ir-doc-tool and run related tests.

Contents

Installed Program: g-ir-annotation-tool, g-ir-compiler, g-ir-doc-tool, g-ir-generate, g-ir-inspect, and g-ir-scanner
Installed Libraries: libgirepository-1.0.so and _giscanner.cpython-310-<arch>-linux-gnu.so
Installed Directories: /usr/include/gobject-introspection-1.0, /usr/lib/girepository-1.0, /usr/lib/gobject-introspection, /usr/share/gir-1.0, and /usr/share/gobject-introspection-1.0

Short Descriptions

g-ir-annotation-tool

creates or extracts annotation data from GI typelibs

g-ir-compiler

converts one or more GIR files into one or more typelib

g-ir-doc-tool

generates Mallard files that can be viewed with yelp or rendered to HTML with yelp-build from yelp-tools

g-ir-inspect

is a utility that gives information about a GI typelib

g-ir-generate

is a GIR generator that uses the repository API

g-ir-scanner

is a tool which generates GIR XML files by parsing headers and introspecting GObject based libraries

libgirepository-1.0.so

provides an API to access the typelib metadata

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