mirror of
https://gitlab.gnome.org/GNOME/glib.git
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bef9efd0a9
This adds static markers for dtrace, which are also usable by systemtap. Additionally it adds a tapset for systemtap that makes it easier to use the static markers. These are enabled by default. This initial set of probes is rather limited: * allocation and free using g_malloc & co * allocation and free using g_slice * gquark name tracking (useful for converting quarks to strings in probes) Notes on naming: Its traditional with dtrace to use probe names with dashes as delimiter (slice-alloc). Since dashes are not usable in identifiers the C code uses double underscores (slice__alloc) which is converted to dashes in the UI. We follow this for the shared lowlevel probe names. Additionally dtrace supports putting a "provider" part in the probe names which is essentially a namespacing thing. On systemtap this field is currently ignored (but may be implemented in the future), but this is not really a problem since in systemtap the probes are specified by combining the solib file and the marker name, so there can't really be name conflicts. For the systemtap tapset highlevel probes we instead use names that are systemtapish with single dashes as separators. https://bugzilla.gnome.org/show_bug.cgi?id=606044
628 lines
23 KiB
XML
628 lines
23 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="glib-building" revision="16 Jan 2002">
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<refmeta>
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<refentrytitle>Compiling the GLib package</refentrytitle>
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<manvolnum>3</manvolnum>
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<refmiscinfo>GLib Library</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>Compiling the GLib Package</refname>
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<refpurpose>
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How to compile GLib itself
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</refpurpose>
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</refnamediv>
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<refsect1 id="building">
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<title>Building the Library on UNIX</title>
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<para>
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On UNIX, GLib uses the standard GNU build system,
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using <application>autoconf</application> for package
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configuration and resolving portability issues,
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<application>automake</application> for building makefiles
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that comply with the GNU Coding Standards, and
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<application>libtool</application> for building shared
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libraries on multiple platforms. The normal sequence for
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compiling and installing the GLib library is thus:
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<literallayout>
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<userinput>./configure</userinput>
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<userinput>make</userinput>
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<userinput>make install</userinput>
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</literallayout>
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</para>
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<para>
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The standard options provided by <application>GNU
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autoconf</application> may be passed to the
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<command>configure</command> script. Please see the
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<application>autoconf</application> documentation or run
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<command>./configure --help</command> for information about
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the standard options.
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</para>
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<para>
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The GTK+ documentation contains
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<ulink url="../gtk/gtk-building.html">further details</ulink>
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about the build process and ways to influence it.
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</para>
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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 GLib library, you need to have
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various other tools and libraries installed on your
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system. The two tools needed during the build process (as
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differentiated from the tools used in when creating GLib
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mentioned above such as <application>autoconf</application>)
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are <command>pkg-config</command> and GNU make.
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</para>
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<itemizedlist>
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<listitem>
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<para>
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<ulink
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url="http://www.freedesktop.org/software/pkgconfig/">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 GLib library. (For each
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library, a small <literal>.pc</literal> text file is
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installed in a standard location that contains the compilation
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flags needed for that library along with version number
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information.) The version of <command>pkg-config</command>
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needed to build GLib is mirrored in the
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<filename>dependencies</filename> directory
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on the <ulink url="ftp://ftp.gtk.org/pub/gtk/v2.2/">GTK+ FTP
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site.</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 GTK+ makefiles will mostly work with different versions
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of <command>make</command>, however, there tends to be
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a few incompatibilities, so the GTK+ team recommends
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installing <ulink url="http://www.gnu.org/software/make">GNU
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make</ulink> if you don't already have it on your system
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and using it. (It may be called <command>gmake</command>
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rather than <command>make</command>.)
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</para>
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</listitem>
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</itemizedlist>
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<para>
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GLib depends on a number of other libraries.
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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 <ulink url="http://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>, however many older systems lack
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an <function>iconv()</function> implementation. On such systems,
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you must install the libiconv library. This can be found at:
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<ulink url="http://www.gnu.org/software/libiconv">http://www.gnu.org/software/libiconv</ulink>.
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</para>
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<para>
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If your system has an <function>iconv()</function> implementation but
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you want to use libiconv instead, you can pass the
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--with-libiconv option to configure. This forces
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libiconv to be used.
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</para>
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<para>
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Note that if you have libiconv installed in your default include
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search path (for instance, in <filename>/usr/local/</filename>), but
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don't enable it, you will get an error while compiling GLib because
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the <filename>iconv.h</filename> that libiconv installs hides the
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system iconv.
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</para>
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<para>
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If you are using the native iconv implementation on Solaris
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instead of libiconv, you'll need to make sure that you have
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the converters between locale encodings and UTF-8 installed.
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At a minimum you'll need the SUNWuiu8 package. You probably
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should also install the SUNWciu8, SUNWhiu8, SUNWjiu8, and
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SUNWkiu8 packages.
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</para>
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<para>
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The native iconv on Compaq Tru64 doesn't contain support for
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UTF-8, so you'll need to use GNU libiconv instead. (When
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using GNU libiconv for GLib, you'll need to use GNU libiconv
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for GNU gettext as well.) This probably applies to related
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operating systems as well.
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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="http://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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A thread implementation is needed, unless you want to compile GLib
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without thread support, which is not recommended. The thread support
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in GLib can be based upon several native thread implementations,
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e.g. POSIX threads, DCE threads or Solaris threads.
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</para>
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</listitem>
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<listitem>
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<para>
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GRegex uses the <ulink url="http://www.pcre.org/">PCRE library</ulink>
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for regular expression matching. The default is to use the internal
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version of PCRE that is patched to use GLib for memory management
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and Unicode handling. If you prefer to use the system-supplied PCRE
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library you can pass the --with-pcre=system option to configure,
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but it is not recommended.
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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 optional extended attribute support in GIO requires the
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getxattr() family of functions that may be provided by glibc or
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by the standalone libattr library. To build GLib without extended
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attribute support, use the <option>--disable-xattr</option>
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configure option.
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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 optional SELinux support in GIO requires libselinux. To build
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GLib without SELinux support, use the
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<option>--disable-selinux</option> configure option.
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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 optional support for DTrace requires the <filename>sys/sdt.h</filename> header,
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which is provided by SystemTap on Linux. To build GLib without DTrace, use the
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<option>--disable-dtrace</option> configure option.
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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 optional support for <ulink url="http://sourceware.org/systemtap/">SystemTap</ulink> can be disabled with the
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<option>--disable-systemtap</option> configure option.
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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="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, the
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<command>configure</command> script in the GLib
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library supports these additional arguments:
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<cmdsynopsis>
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<command>configure</command>
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<group>
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<arg>--enable-debug=[no|minimum|yes]</arg>
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</group>
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<group>
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<arg>--disable-gc-friendly</arg>
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<arg>--enable-gc-friendly</arg>
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</group>
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<group>
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<arg>--disable-mem-pools</arg>
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<arg>--enable-mem-pools</arg>
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</group>
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<group>
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<arg>--disable-threads</arg>
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<arg>--enable-threads</arg>
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</group>
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<group>
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<arg>--with-threads=[none|posix|dce|win32]</arg>
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</group>
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<group>
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<arg>--disable-regex</arg>
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<arg>--enable-regex</arg>
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</group>
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<group>
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<arg>--with-pcre=[internal|system]</arg>
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</group>
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<group>
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<arg>--disable-included-printf</arg>
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<arg>--enable-included-printf</arg>
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</group>
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<group>
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<arg>--disable-visibility</arg>
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<arg>--enable-visibility</arg>
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</group>
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<group>
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<arg>--disable-gtk-doc</arg>
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<arg>--enable-gtk-doc</arg>
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</group>
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<group>
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<arg>--disable-man</arg>
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<arg>--enable-man</arg>
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</group>
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<group>
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<arg>--disable-xattr</arg>
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<arg>--enable-xattr</arg>
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</group>
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<group>
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<arg>--disable-selinux</arg>
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<arg>--enable-selinux</arg>
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</group>
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<group>
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<arg>--disable-dtrace</arg>
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<arg>--enable-dtrace</arg>
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</group>
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<group>
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<arg>--disable-systemtap</arg>
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<arg>--enable-systemtap</arg>
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</group>
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<group>
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<arg>--with-runtime-libdir=RELPATH</arg>
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</group>
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</cmdsynopsis>
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</para>
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<formalpara>
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<title><systemitem>--enable-debug</systemitem></title>
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<para>
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Turns on various amounts of debugging support. Setting this to 'no'
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disables g_assert(), g_return_if_fail(), g_return_val_if_fail() and
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all cast checks between different object types. Setting it to 'minimum' disables only cast checks. Setting it to 'yes' enables
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<link linkend="GLIB-Debug-Options">runtime debugging</link>.
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The default is 'minimum'.
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Note that 'no' is fast, but dangerous as it tends to destabilize
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even mostly bug-free software by changing the effect of many bugs
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from simple warnings into fatal crashes. Thus
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<option>--enable-debug=no</option> should <emphasis>not</emphasis>
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be used for stable releases of GLib.
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</para>
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</formalpara>
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<formalpara>
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<title><systemitem>--disable-gc-friendly</systemitem> and
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<systemitem>--enable-gc-friendly</systemitem></title>
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<para>
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By default, and with <systemitem>--disable-gc-friendly</systemitem>
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as well, Glib does not clear the memory for certain objects before they
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are freed. For example, Glib may decide to recycle GList nodes by
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putting them in a free list. However, memory profiling and debugging tools like <ulink
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url="http://www.valgrind.org">Valgrind</ulink> work better if an
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application does not keep dangling pointers to freed memory (even
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though these pointers are no longer dereferenced), or invalid pointers inside
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uninitialized memory. The
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<systemitem>--enable-gc-friendly</systemitem> option makes Glib clear
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memory in these situations:
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</para>
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</formalpara>
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<itemizedlist>
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<listitem>
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<para>
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When shrinking a GArray, Glib will clear the memory no longer
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available in the array: shrink an array from 10 bytes to 7, and
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the last 3 bytes will be cleared. This includes removals of single and multiple elements.
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</para>
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</listitem>
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<listitem>
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<para>
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</para>
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</listitem>
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<listitem>
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<para>
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When growing a GArray, Glib will clear the new chunk of memory.
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Grow an array from 7 bytes to 10 bytes, and the last 3 bytes will be cleared.
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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 above applies to GPtrArray as well.
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</para>
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</listitem>
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<listitem>
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<para>
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When freeing a node from a GHashTable, Glib will first clear
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the node, which used to have pointers to the key and the value
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stored at that node.
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</para>
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</listitem>
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<listitem>
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<para>
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When destroying or removing a GTree node, Glib will clear the node,
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which used to have pointers to the node's value, and the left and right subnodes.
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</para>
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</listitem>
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</itemizedlist>
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<para>
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Since clearing the memory has a cost,
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<systemitem>--disable-gc-friendly</systemitem> is the default.
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</para>
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<formalpara>
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<title><systemitem>--disable-mem-pools</systemitem> and
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<systemitem>--enable-mem-pools</systemitem></title>
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<para>
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Many small chunks of memory are often allocated via collective pools
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in GLib and are cached after release to speed up reallocations.
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For sparse memory systems this behaviour is often inferior, so
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memory pools can be disabled to avoid excessive caching and force
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atomic maintenance of chunks through the <function>g_malloc()</function>
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and <function>g_free()</function> functions. Code currently affected by
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this:
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<itemizedlist>
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<listitem>
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<para>
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<structname>GList</structname>, <structname>GSList</structname>,
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<structname>GNode</structname>, <structname>GHash</structname>
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allocations. The functions g_list_push_allocator(),
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g_list_pop_allocator(), g_slist_push_allocator(),
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g_slist_pop_allocator(), g_node_push_allocator() and
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g_node_pop_allocator() are not available
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</para>
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</listitem>
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<listitem>
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<para>
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<structname>GMemChunk</structname>s become basically non-effective
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</para>
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</listitem>
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<listitem>
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<para>
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<structname>GSignal</structname> disables all caching (potentially
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very slow)
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</para>
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</listitem>
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<listitem>
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<para>
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<structname>GType</structname> doesn't honour the
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<structname>GTypeInfo</structname>
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<structfield>n_preallocs</structfield> field anymore
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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 <structname>GBSearchArray</structname> flag
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<literal>G_BSEARCH_ALIGN_POWER2</literal> becomes non-functional
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</para>
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</listitem>
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</itemizedlist>
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</para>
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</formalpara>
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<formalpara>
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<title><systemitem>--disable-threads</systemitem> and
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<systemitem>--enable-threads</systemitem></title>
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<para>
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Do not compile GLib to be multi thread safe. GLib
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will be slightly faster then. This is however not
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recommended, as many programs rely on GLib being
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multi thread safe.
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</para>
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</formalpara>
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<formalpara>
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<title><systemitem>--with-threads</systemitem></title>
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<para>
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Specify a thread implementation to use.
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<itemizedlist>
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<listitem><para>
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'posix' and 'dce' can be used interchangeable
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to mean the different versions of Posix
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threads. configure tries to find out, which
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one is installed.
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</para></listitem>
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<listitem><para>
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'none' means that GLib will be thread safe,
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but does not have a default thread
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implementation. This has to be supplied to
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<function>g_thread_init()</function> by the programmer.
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</para></listitem>
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</itemizedlist>
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</para>
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</formalpara>
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<formalpara>
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<title><systemitem>--disable-regex</systemitem> and
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<systemitem>--enable-regex</systemitem></title>
|
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<para>
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Do not compile GLib with regular expression support.
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GLib will be smaller because it will not need the
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PCRE library. This is however not recommended, as
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programs may need GRegex.
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</para>
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</formalpara>
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<formalpara>
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<title><systemitem>--with-pcre</systemitem></title>
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<para>
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Specify whether to use the internal or the system-supplied
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PCRE library.
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<itemizedlist>
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<listitem><para>
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'internal' means that GRegex will be compiled to use
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the internal PCRE library.
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</para></listitem>
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<listitem><para>
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'system' means that GRegex will be compiled to use
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the system-supplied PCRE library.
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</para></listitem>
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</itemizedlist>
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Using the internal PCRE is the preferred solution:
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<itemizedlist>
|
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<listitem>
|
|
<para>
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System-supplied PCRE has a separated copy of the big tables
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used for Unicode handling.
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</para>
|
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</listitem>
|
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<listitem>
|
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<para>
|
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Some systems have PCRE libraries compiled without some needed
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features, such as UTF-8 and Unicode support.
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</para>
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</listitem>
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<listitem>
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<para>
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PCRE uses some global variables for memory management and
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other features. In the rare case of a program using both
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GRegex and PCRE (maybe indirectly through a library),
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this variables could lead to problems when they are modified.
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</para>
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</listitem>
|
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</itemizedlist>
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</para>
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</formalpara>
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<formalpara>
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|
<title><systemitem>--disable-included-printf</systemitem> and
|
|
<systemitem>--enable-included-printf</systemitem></title>
|
|
|
|
<para>
|
|
By default the <command>configure</command> script will try
|
|
to auto-detect whether the C library provides a suitable set
|
|
of <function>printf()</function> functions. In detail,
|
|
<command>configure</command> checks that the semantics of
|
|
<function>snprintf()</function> are as specified by C99 and
|
|
that positional parameters as specified in the Single Unix
|
|
Specification are supported. If this not the case, GLib will
|
|
include an implementation of the <function>printf()</function>
|
|
family.
|
|
These options can be used to explicitly control whether
|
|
an implementation fo the <function>printf()</function> family
|
|
should be included or not.
|
|
</para>
|
|
</formalpara>
|
|
|
|
<formalpara>
|
|
<title><systemitem>--disable-visibility</systemitem> and
|
|
<systemitem>--enable-visibility</systemitem></title>
|
|
|
|
<para>
|
|
By default, GLib uses ELF visibility attributes to optimize
|
|
PLT table entries if the compiler supports ELF visibility
|
|
attributes. A side-effect of the way in which this is currently
|
|
implemented is that any header change forces a full
|
|
recompilation, and missing includes may go unnoticed.
|
|
Therefore, it makes sense to turn this feature off while
|
|
doing GLib development, even if the compiler supports ELF
|
|
visibility attributes. The <option>--disable-visibility</option>
|
|
option allows to do that.
|
|
</para>
|
|
</formalpara>
|
|
|
|
<formalpara>
|
|
<title><systemitem>--disable-gtk-doc</systemitem> and
|
|
<systemitem>--enable-gtk-doc</systemitem></title>
|
|
|
|
<para>
|
|
By default the <command>configure</command> script will try
|
|
to auto-detect whether the
|
|
<application>gtk-doc</application> package is installed. If
|
|
it is, then it will use it to extract and build the
|
|
documentation for the GLib library. These options
|
|
can be used to explicitly control whether
|
|
<application>gtk-doc</application> should be
|
|
used or not. If it is not used, the distributed,
|
|
pre-generated HTML files will be installed instead of
|
|
building them on your machine.
|
|
</para>
|
|
</formalpara>
|
|
|
|
<formalpara>
|
|
<title><systemitem>--disable-man</systemitem> and
|
|
<systemitem>--enable-man</systemitem></title>
|
|
|
|
<para>
|
|
By default the <command>configure</command> script will try
|
|
to auto-detect whether <application>xsltproc</application>
|
|
and the necessary Docbook stylesheets are installed. If
|
|
they are, then it will use them to rebuild the included
|
|
man pages from the XML sources. These options can be used
|
|
to explicitly control whether man pages should be rebuilt
|
|
used or not. The distribution includes pre-generated man
|
|
pages.
|
|
</para>
|
|
</formalpara>
|
|
|
|
<formalpara>
|
|
<title><systemitem>--disable-xattr</systemitem> and
|
|
<systemitem>--enable-xattr</systemitem></title>
|
|
|
|
<para>
|
|
By default the <command>configure</command> script will try
|
|
to auto-detect whether the getxattr() family of functions
|
|
is available. If it is, then extended attribute support
|
|
will be included in GIO. These options can be used to
|
|
explicitly control whether extended attribute support
|
|
should be included or not. getxattr() and friends can
|
|
be provided by glibc or by the standalone libattr library.
|
|
</para>
|
|
</formalpara>
|
|
|
|
<formalpara>
|
|
<title><systemitem>--disable-selinux</systemitem> and
|
|
<systemitem>--enable-selinux</systemitem></title>
|
|
|
|
<para>
|
|
By default the <command>configure</command> script will
|
|
auto-detect if libselinux is available and include
|
|
SELinux support in GIO if it is. These options can be
|
|
used to explicitly control whether SELinux support should
|
|
be included.
|
|
</para>
|
|
</formalpara>
|
|
|
|
<formalpara>
|
|
<title><systemitem>--disable-dtrace</systemitem> and
|
|
<systemitem>--enable-dtrace</systemitem></title>
|
|
|
|
<para>
|
|
By default the <command>configure</command> script will
|
|
detect if DTrace support is available, and use it.
|
|
</para>
|
|
</formalpara>
|
|
|
|
<formalpara>
|
|
<title><systemitem>--disable-systemtap</systemitem> and
|
|
<systemitem>--enable-systemtap</systemitem></title>
|
|
|
|
<para>
|
|
This option requires DTrace support. If it is available, then
|
|
the <command>configure</command> script will also check for
|
|
the presence of SystemTap.
|
|
</para>
|
|
</formalpara>
|
|
|
|
<formalpara>
|
|
<title><systemitem>--with-runtime-libdir=RELPATH</systemitem></title>
|
|
|
|
<para>
|
|
Allows specifying a relative path to where to install the runtime
|
|
libraries (meaning library files used for running, not developing,
|
|
GLib applications). This can be used in operating system setups where
|
|
programs using GLib needs to run before e.g. <filename>/usr</filename>
|
|
is mounted.
|
|
For example, if LIBDIR is <filename>/usr/lib</filename> and
|
|
<filename>../../lib</filename> is passed to
|
|
<systemitem>--with-runtime-libdir</systemitem> then the
|
|
runtime libraries are installed into <filename>/lib</filename> rather
|
|
than <filename>/usr/lib</filename>.
|
|
</para>
|
|
</formalpara>
|
|
|
|
</refsect1>
|
|
|
|
</refentry>
|