forked from AuroraMiddleware/gtk
9957dd59b0
The separate `mesonconf` and `mesontest` binaries have been deprecated, in favour of `meson` sub-commands.
490 lines
20 KiB
XML
490 lines
20 KiB
XML
<?xml version="1.0"?>
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
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"http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
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]>
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<refentry id="gtk-building">
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<refmeta>
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<refentrytitle>Compiling the GTK+ libraries</refentrytitle>
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<manvolnum>3</manvolnum>
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<refmiscinfo>GTK Library</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>Compiling the GTK+ Libraries</refname>
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<refpurpose>
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How to compile GTK+ itself
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</refpurpose>
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</refnamediv>
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<refsect1 id="overview">
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<title>Building GTK+</title>
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<para>
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Before we get into the details of how to compile GTK+, we should
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mention that in many cases, binary packages of GTK+ prebuilt for
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your operating system will be available, either from your
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operating system vendor or from independent sources. If such a
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set of packages is available, installing it will get you
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programming with GTK+ much faster than building it yourself. In
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fact, you may well already have GTK+ installed on your system
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already.
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</para>
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<para>
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In order to build GTK+, you will need <application>meson</application>
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installed on your system. On Linux, and other UNIX-like operating
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systems, you will also need <application>ninja</application>. This
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guide does not cover how to install these two requirements, but you
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can refer to the <ulink url="http://mesonbuild.com">Meson website</ulink>
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for more information. The <ulink url="https://ninja-build.org">Ninja</ulink>
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build tool is also usable on various operating systems, so we will
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refer to it in the examples.
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</para>
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<para>
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If you are building GTK+ from a source distribution or from a Git
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clone, you will need to use <application>meson</application> to
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configure the project. The most commonly useful argument is the
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<systemitem>--prefix</systemitem> one, which determines where the
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files will go once installed. To install GTK+ under a prefix
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like <filename>/opt/gtk</filename> you would run Meson as:
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</para>
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<informalexample>
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<programlisting>
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meson --prefix /opt/gtk builddir
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</programlisting>
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</informalexample>
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<para>
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Meson will create the <filename>builddir</filename> directory and
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place all the build artefacts there.
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</para>
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<para>
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You can get a list of all available options for the build by
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running <application>meson configure</application>.
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</para>
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<para>
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After Meson successfully configured the build directory, you then
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can run the build, using Ninja:
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</para>
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<informalexample>
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<programlisting>
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cd builddir
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ninja
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ninja install
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</programlisting>
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</informalexample>
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<para>
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If you don't have permission to write to the directory you are
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installing in, you may have to change to root temporarily before
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running <literal>ninja install</literal>.
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</para>
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<para>
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Several environment variables are useful to pass to set before
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running configure. <envar>CPPFLAGS</envar> contains options to
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pass to the C compiler, and is used to tell the compiler where
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to look for include files. The <envar>LDFLAGS</envar> variable
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is used in a similar fashion for the linker. Finally the
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<envar>PKG_CONFIG_PATH</envar> environment variable contains
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a search path that <command>pkg-config</command> (see below)
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uses when looking for files describing how to compile
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programs using different libraries. If you were installing GTK+
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and it's dependencies into <filename>/opt/gtk</filename>, you
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might want to set these variables as:
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</para>
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<programlisting>
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CPPFLAGS="-I/opt/gtk/include"
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LDFLAGS="-L/opt/gtk/lib"
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PKG_CONFIG_PATH="/opt/gtk/lib/pkgconfig"
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export CPPFLAGS LDFLAGS PKG_CONFIG_PATH
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</programlisting>
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<para>
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You may also need to set the <envar>LD_LIBRARY_PATH</envar>
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environment variable so the systems dynamic linker can find
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the newly installed libraries, and the <envar>PATH</envar>
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environment program so that utility binaries installed by
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the various libraries will be found.
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</para>
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<programlisting>
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LD_LIBRARY_PATH="/opt/gtk/lib"
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PATH="/opt/gtk/bin:$PATH"
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export LD_LIBRARY_PATH PATH
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</programlisting>
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</refsect1>
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<refsect1 id="dependencies">
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<title>Dependencies</title>
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<para>
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Before you can compile the GTK+ widget toolkit, you need to have
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various other tools and libraries installed on your
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system. Dependencies of GTK+ have their own build systems, so
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you will need to refer to their own installation instructions.
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</para>
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<para>
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A particular important tool used by GTK+ to find its dependencies
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is <application>pkg-config</application>.
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</para>
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<para>
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<ulink url="https://www.freedesktop.org/wiki/Software/pkg-config/">pkg-config</ulink>
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is a tool for tracking the compilation flags needed for
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libraries that are used by the GTK+ libraries. (For each
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library, a small <literal>.pc</literal> text file is installed
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in a standard location that contains the compilation flags
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needed for that library along with version number information.)
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</para>
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<para>
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Some of the libraries that GTK+ depends on are maintained by
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by the GTK+ team: GLib, GdkPixbuf, Pango, ATK and GObject Introspection.
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Other libraries are maintained separately.
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</para>
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<itemizedlist>
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<listitem>
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<para>
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The GLib library provides core non-graphical functionality
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such as high level data types, Unicode manipulation, and
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an object and type system to C programs. It is available
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from <ulink url="https://download.gnome.org/sources/glib/">here</ulink>.
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</para>
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</listitem>
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<listitem>
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<para>
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The <ulink url="https://git.gnome.org/browse/gdk-pixbuf/">GdkPixbuf library</ulink>
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provides facilities for loading images in a variety of file formats.
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It is available <ulink url="https://download.gnome.org/sources/gdk-pixbuf/">here</ulink>.
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</para>
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</listitem>
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<listitem>
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<para>
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<ulink url="http://www.pango.org">Pango</ulink> is a library
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for internationalized text handling. It is available
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<ulink url="https://download.gnome.org/sources/pango/">here</ulink>.
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</para>
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</listitem>
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<listitem>
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<para>
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ATK is the Accessibility Toolkit. It provides a set of generic
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interfaces allowing accessibility technologies such as
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screen readers to interact with a graphical user interface.
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It is available
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<ulink url="https://download.gnome.org/sources/atk/">here</ulink>.
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</para>
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</listitem>
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<listitem>
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<para>
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<ulink url="https://wiki.gnome.org/Projects/GObjectIntrospection">Gobject Introspection</ulink>
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is a framework for making introspection data available to
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language bindings. It is available
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<ulink url="https://download.gnome.org/sources/gobject-introspection/">here</ulink>.
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</para>
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</listitem>
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</itemizedlist>
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<itemizedlist>
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<title>External dependencies</title>
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<listitem>
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<para>
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The <ulink url="https://www.gnu.org/software/libiconv/">GNU
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libiconv library</ulink> is needed to build GLib if your
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system doesn't have the <function>iconv()</function>
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function for doing conversion between character
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encodings. Most modern systems should have
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<function>iconv()</function>.
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</para>
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</listitem>
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<listitem>
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<para>
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The libintl library from the <ulink
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url="https://www.gnu.org/software/gettext/">GNU gettext
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package</ulink> is needed if your system doesn't have the
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<function>gettext()</function> functionality for handling
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message translation databases.
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</para>
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</listitem>
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<listitem>
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<para>
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The libraries from the X window system are needed to build
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Pango and GTK+. You should already have these installed on
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your system, but it's possible that you'll need to install
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the development environment for these libraries that your
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operating system vendor provides.
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</para>
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</listitem>
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<listitem>
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<para>
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The <ulink url="https://www.freedesktop.org/wiki/Software/fontconfig/">fontconfig</ulink>
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library provides Pango with a standard way of locating
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fonts and matching them against font names.
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</para>
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</listitem>
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<listitem>
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<para>
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<ulink url="https://www.cairographics.org">Cairo</ulink>
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is a graphics library that supports vector graphics and image
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compositing. Both Pango and GTK+ use Cairo for drawing.
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</para>
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</listitem>
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<listitem>
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<para>
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<ulink url="https://github.com/anholt/libepoxy">libepoxy</ulink>
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is a library that abstracts the differences between different
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OpenGL libraries. GTK+ uses it for cross-platform GL support
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and for its own drawing.
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</para>
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</listitem>
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<listitem>
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<para>
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<ulink url="https://github.com/anholt/libepoxy">Graphene</ulink>
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is a library that provides vector and matrix types for 2D and
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3D transformations. GTK+ uses it internally for drawing.
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</para>
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</listitem>
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<listitem>
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<para>
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The <ulink url="https://wayland.freedesktop.org">Wayland</ulink> libraries
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are needed to build GTK+ with the Wayland backend.
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</para>
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</listitem>
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<listitem>
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<para>
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The <ulink url="https://www.freedesktop.org/wiki/Software/shared-mime-info">shared-mime-info</ulink>
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package is not a hard dependency of GTK+, but it contains definitions
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for mime types that are used by GIO and, indirectly, by GTK+.
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gdk-pixbuf will use GIO for mime type detection if possible. For this
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to work, shared-mime-info needs to be installed and
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<envar>XDG_DATA_DIRS</envar> set accordingly at configure time.
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Otherwise, gdk-pixbuf falls back to its built-in mime type detection.
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</para>
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</listitem>
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</itemizedlist>
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</refsect1>
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<refsect1 id="building">
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<title>Building and testing GTK+</title>
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<para>
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First make sure that you have the necessary external
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dependencies installed: <command>pkg-config</command>, Meson, Ninja,
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the JPEG, PNG, and TIFF libraries, FreeType, and, if necessary,
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libiconv and libintl. To get detailed information about building
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these packages, see the documentation provided with the
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individual packages. On any average Linux system, it's quite likely
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you'll have all of these installed already, or they will be easily
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accessible through your operating system package repositories.
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</para>
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<para>
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Then build and install the GTK+ libraries in the order:
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GLib, Cairo, Pango, ATK, then GTK+. For each library, follow the
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instructions they provide, and make sure to share common settings
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between them and the GTK+ build; if you are using a separate prefix
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for GTK+, for instance, you will need to use the same prefix for all
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its dependencies you build. If you're lucky, this will all go smoothly,
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and you'll be ready to <link linkend="gtk-compiling">start compiling
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your own GTK+ applications</link>. You can test your GTK+ installation
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by running the <command>gtk4-demo</command> program that
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GTK+ installs.
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</para>
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<para>
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If one of the projects you're configuring or building fails, look
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closely at the error messages printed; these will often provide useful
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information as to what went wrong. Every build system has its own
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log that can help you understand the issue you're encountering. If all
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else fails, you can ask for help on the gtk-list mailing list.
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See <xref linkend="gtk-resources"/> for more information.
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</para>
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</refsect1>
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<refsect1 id="extra-configuration-options">
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<title>Extra Configuration Options</title>
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<para>
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In addition to the normal options provided by Meson, GTK+ defines
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various arguments that modify what should be built.
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<cmdsynopsis>
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<command>meson</command>
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<sbr/>
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<group>
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<arg choice="plain">-Ddisable-modules=true</arg>
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<arg choice="plain">-Ddisable-modules=false</arg>
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</group>
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<sbr/>
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<group>
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<arg choice="plain">-Dwith-included-immodules=MODULE1,MODULE2,...</arg>
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<arg choice="plain">-Dwith-included-immodules=all</arg>
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<arg choice="plain">-Dwith-included-immodules=none</arg>
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</group>
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<sbr/>
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<group>
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<arg choice="plain">-Denable-documentation=true</arg>
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<arg choice="plain">-Denable-documentation=false</arg>
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</group>
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<sbr/>
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<group>
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<arg choice="plain">-Denable-man-pages=true</arg>
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<arg choice="plain">-Denable-man-pages=false</arg>
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</group>
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<sbr/>
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<group>
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<arg choice="plain">-Denable-cups-print-backend=yes</arg>
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<arg choice="plain">-Denable-cups-print-backend=no</arg>
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<arg choice="plain">-Denable-cups-print-backend=auto</arg>
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</group>
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<sbr/>
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<group>
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<arg choice="plain">-Denable-papi-print-backend=yes</arg>
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<arg choice="plain">-Denable-papi-print-backend=no</arg>
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<arg choice="plain">-Denable-papi-print-backend=auto</arg>
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</group>
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<sbr/>
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<group>
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<arg choice="plain">-Denable-cloudprint-print-backend=yes</arg>
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<arg choice="plain">-Denable-cloudprint-print-backend=no</arg>
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<arg choice="plain">-Denable-cloudprint-print-backend=auto</arg>
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</group>
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<sbr/>
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<group>
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<arg choice="plain">-Denable-test-print-backend=yes</arg>
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<arg choice="plain">-Denable-test-print-backend=no</arg>
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<arg choice="plain">-Denable-test-print-backend=auto</arg>
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</group>
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<sbr/>
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<group>
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<arg choice="plain">-Denable-colord=yes</arg>
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<arg choice="plain">-Denable-colord=no</arg>
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<arg choice="plain">-Denable-colord=auto</arg>
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</group>
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<sbr/>
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<group>
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<arg choice="plain">-Denable-vulkan=yes</arg>
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<arg choice="plain">-Denable-vulkan=no</arg>
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<arg choice="plain">-Denable-vulkan=auto</arg>
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</group>
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<sbr/>
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<group>
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<arg choice="plain">-Denable-x11-backend=true</arg>
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<arg choice="plain">-Denable-x11-backend=false</arg>
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</group>
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<sbr/>
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<group>
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<arg choice="plain">-Denable-xinerama=true</arg>
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<arg choice="plain">-Denable-xinerama=false</arg>
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</group>
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<sbr/>
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<group>
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<arg choice="plain">-Denable-win32-backend=true</arg>
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<arg choice="plain">-Denable-win32-backend=false</arg>
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</group>
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<sbr/>
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<group>
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<arg choice="plain">-Denable-quartz-backend=true</arg>
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<arg choice="plain">-Denable-quartz-backend=false</arg>
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</group>
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<sbr/>
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<group>
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<arg choice="plain">-Denable-broadway-backend=true</arg>
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<arg choice="plain">-Denable-broadway-backend=false</arg>
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</group>
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<sbr/>
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<group>
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<arg choice="plain">-Denable-wayland-backend=true</arg>
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<arg choice="plain">-Denable-wayland-backend=false</arg>
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</group>
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<sbr/>
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<group>
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<arg choice="plain">-Denable-mir-backend=true</arg>
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<arg choice="plain">-Denable-mir-backend=false</arg>
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</group>
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</cmdsynopsis>
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</para>
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|
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<formalpara>
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<title><systemitem>disable-modules</systemitem></title>
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<para>
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Normally GTK+ will try to build the input method modules
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as little shared libraries that are loaded on demand.
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The <systemitem>disable-modules</systemitem> option
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indicates that they should all be built statically
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into the GTK+ library instead. This is useful for
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people who need to produce statically-linked binaries.
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If <systemitem>disable-modules</systemitem> is not specified,
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then the <command>configure</command> script will try to
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auto-detect whether shared modules work on your system.
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</para>
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</formalpara>
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<formalpara>
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<title><systemitem>with-included-immodules</systemitem></title>
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<para>
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This option allows you to specify which input method modules you
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want to include directly into the GTK+ shared library, as opposed
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to building them as loadable modules.
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</para>
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</formalpara>
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<formalpara>
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<title><systemitem>enable-xinerama</systemitem></title>
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<para>
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By default GTK+ will try to link against the Xinerama libraries
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if they are found. This options can be used to explicitly control
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whether Xinerama should be used.
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</para>
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</formalpara>
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|
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<formalpara>
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<title><systemitem>enable-documentation</systemitem> and
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<systemitem>enable-man-pages</systemitem></title>
|
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|
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<para>
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The <application>gtk-doc</application> package is
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|
used to generate the reference documentation included
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with GTK+. By default support for <application>gtk-doc</application>
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|
is disabled because it requires various extra dependencies
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to be installed. If you have
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<application>gtk-doc</application> installed and
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are modifying GTK+, you may want to enable
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<application>gtk-doc</application> support by passing
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in <systemitem>enable-documentation</systemitem>.
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</para>
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<para>
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|
Additionally, some tools provided by GTK+ have their own
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manual pages generated using a similar set of dependencies;
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if you have <application>xsltproc</application> then you
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can generate manual pages by passing <systemitem>enable-man-pages</systemitem>
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when configuring the build.
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</para>
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</formalpara>
|
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|
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<formalpara>
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|
<title><systemitem>enable-cups-print-backend</systemitem>,
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<systemitem>enable-papi-print-backend</systemitem>,
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<systemitem>enable-cloudprint-print-backend</systemitem>, and
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<systemitem>enable-test-print-backend</systemitem></title>
|
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|
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<para>
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By default, GTK+ will try to build various print backends if
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their dependencies are found. These options can be used to
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explicitly control whether each print backend should be built
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or not.
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</para>
|
|
</formalpara>
|
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|
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<formalpara>
|
|
<title><systemitem>-Denable-x11-backend</systemitem>,
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<systemitem>-Denable-win32-backend</systemitem>,
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<systemitem>-Denable-quartz-backend</systemitem>,
|
|
<systemitem>-Denable-broadway-backend</systemitem>,
|
|
<systemitem>-Denable-wayland-backend</systemitem>, and
|
|
<systemitem>-Denable-mir-backend</systemitem></title>
|
|
|
|
<para>
|
|
Enable specific backends for GDK. If none of these options
|
|
are given, the Wayland backend will be enabled by default,
|
|
if the platform is Linux; the X11 backend will also be enabled
|
|
by default, unless the platform is Windows, in which case the
|
|
default is win32, or the platform is macOS, in which case the
|
|
default is quartz. If any backend is explicitly enabled or disabled,
|
|
no other platform will be enabled automatically.
|
|
</para>
|
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</formalpara>
|
|
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</refsect1>
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</refentry>
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