forked from AuroraMiddleware/gtk
95 lines
3.6 KiB
XML
95 lines
3.6 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-compiling">
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<refmeta>
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<refentrytitle>Compiling GTK+ Applications</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 GTK+ Applications</refname>
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<refpurpose>
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How to compile your GTK+ application
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</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Compiling GTK+ Applications on UNIX</title>
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<para>
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To compile a GTK+ application, you need to tell the compiler where to
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find the GTK+ header files and libraries. This is done with the
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<literal>pkg-config</literal> utility.
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</para>
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<para>
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The following interactive shell session demonstrates how
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<literal>pkg-config</literal> is used (the actual output on
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your system may be different):
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<programlisting>
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$ pkg-config --cflags gtk+-4.0
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-pthread -I/usr/include/gtk-4.0 -I/usr/lib64/gtk-4.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng12
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$ pkg-config --libs gtk+-4.0
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-pthread -lgtk-4 -lgdk-4 -latk-1.0 -lgio-2.0 -lpangoft2-1.0 -lgdk_pixbuf-2.0 -lpangocairo-1.0 -lcairo -lpango-1.0 -lfreetype -lfontconfig -lgobject-2.0 -lgmodule-2.0 -lgthread-2.0 -lrt -lglib-2.0
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</programlisting>
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</para>
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<para>
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The simplest way to compile a program is to use the "backticks"
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feature of the shell. If you enclose a command in backticks
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(<emphasis>not single quotes</emphasis>), then its output will be
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substituted into the command line before execution. So to compile
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a GTK+ Hello, World, you would type the following:
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<programlisting>
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$ cc `pkg-config --cflags gtk+-4.0` hello.c -o hello `pkg-config --libs gtk+-4.0`
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</programlisting>
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</para>
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<para>
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Deprecated GTK+ functions are annotated to make the compiler
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emit warnings when they are used (e.g. with gcc, you need to use
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the -Wdeprecated-declarations option). If these warnings are
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problematic, they can be turned off by defining the preprocessor
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symbol %GDK_DISABLE_DEPRECATION_WARNINGS by using the commandline
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option <literal>-DGDK_DISABLE_DEPRECATION_WARNINGS</literal>
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</para>
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<para>
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GTK+ deprecation annotations are versioned; by defining the
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macros %GDK_VERSION_MIN_REQUIRED and %GDK_VERSION_MAX_ALLOWED,
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you can specify the range of GTK+ versions whose API you want
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to use. APIs that were deprecated before or introduced after
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this range will trigger compiler warnings.
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</para>
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<para>
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Here is how you would compile hello.c if you want to allow it
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to use symbols that were not deprecated in 3.2:
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<programlisting>
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$ cc `pkg-config --cflags gtk+-4.0` -DGDK_VERSION_MIN_REQIRED=GDK_VERSION_3_2 hello.c -o hello `pkg-config --libs gtk+-4.0`
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</programlisting>
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</para>
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<para>
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And here is how you would compile hello.c if you don't want
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it to use any symbols that were introduced after 3.4:
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<programlisting>
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$ cc `pkg-config --cflags gtk+-4.0` -DGDK_VERSION_MAX_ALLOWED=GDK_VERSION_3_4 hello.c -o hello `pkg-config --libs gtk+-4.0`
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</programlisting>
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</para>
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<para>
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The older deprecation mechanism of hiding deprecated interfaces
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entirely from the compiler by using the preprocessor symbol
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GTK_DISABLE_DEPRECATED is still used for deprecated macros,
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enumeration values, etc. To detect uses of these in your code,
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use the commandline option <literal>-DGTK_DISABLE_DEPRECATED</literal>.
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There are similar symbols GDK_DISABLE_DEPRECATED,
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GDK_PIXBUF_DISABLE_DEPRECATED and G_DISABLE_DEPRECATED for GDK, GdkPixbuf and
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GLib.
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</para>
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</refsect1>
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</refentry>
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