<?xml version="1.0"?>
<!--
__COPYRIGHT__

This file is processed by the bin/SConsDoc.py module.
See its __doc__ string for a discussion of the format.
-->

<!DOCTYPE sconsdoc [
        <!ENTITY % scons SYSTEM '../../doc/scons.mod'>
        %scons;
        <!ENTITY % builders-mod SYSTEM '../../doc/generated/builders.mod'>
        %builders-mod;
        <!ENTITY % functions-mod SYSTEM '../../doc/generated/functions.mod'>
        %functions-mod;
        <!ENTITY % tools-mod SYSTEM '../../doc/generated/tools.mod'>
        %tools-mod;
        <!ENTITY % variables-mod SYSTEM '../../doc/generated/variables.mod'>
        %variables-mod;
        ]>

<sconsdoc xmlns="http://www.scons.org/dbxsd/v1.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://www.scons.org/dbxsd/v1.0 http://www.scons.org/dbxsd/v1.0/scons.xsd">

    <tool name="applelink">
        <summary>
            <para>
                Sets construction variables for the Apple linker
                (similar to the GNU linker).
            </para>
        </summary>
        <sets>
            <item>FRAMEWORKPATHPREFIX</item>
            <item>_FRAMEWORKPATH</item>
            <item>_FRAMEWORKS</item>
            <item>LINKCOM</item>
            <item>SHLINKFLAGS</item>
            <item>SHLINKCOM</item>
            <item>LDMODULEPREFIX</item>
            <item>LDMODULESUFFIX</item>
            <item>LDMODULEFLAGS</item>
            <item>LDMODULECOM</item>
            <item>APPLELINK_CURRENT_VERSION</item>
            <item>APPLELINK_COMPATIBILITY_VERSION</item>
            <item>APPLELINK_NO_CURRENT_VERSION</item>
            <item>APPLELINK_NO_COMPATIBILITY_VERSION</item>
            <item>_APPLELINK_CURRENT_VERSION</item>
            <item>_APPLELINK_COMPATIBILITY_VERSION</item>
        </sets>
        <uses>
            <item>FRAMEWORKSFLAGS</item>
        </uses>
    </tool>


    <cvar name="APPLELINK_COMPATIBILITY_VERSION">
        <summary>
            <para>
                On Mac OS X this is used to set the linker flag:

                -compatibility_version
            </para>
            <para>
                The value is specified as X[.Y[.Z]] where X is between 1 and 65535, Y can be omitted or between 1 and
                255, Z can be omitted or between 1 and 255. This value will be derived from &cv-link-SHLIBVERSION; if
                not
                specified. The lowest digit will be dropped and replaced by a 0.
            </para>
            <para>
                If the &cv-link-APPLELINK_NO_COMPATIBILITY_VERSION; is set then no -compatibility_version will be
                output.
            </para>
            <para>See MacOS's ld manpage for more details</para>
        </summary>
    </cvar>

    <cvar name="APPLELINK_NO_COMPATIBILITY_VERSION">
        <summary>
            <para>
                Set this to any True (1|True|non-empty string) value to disable adding -compatibility_version flag when
                generating versioned shared libraries.
            </para>
            <para>
                This overrides &cv-link-APPLELINK_COMPATIBILITY_VERSION;.
            </para>
        </summary>
    </cvar>


    <cvar name="_APPLELINK_COMPATIBILITY_VERSION">
        <summary>
            <para>
                A macro (by default a generator function) used to create the linker flags to specify
                apple's linker's -compatibility_version flag.
                The default generator uses &cv-link-APPLELINK_COMPATIBILITY_VERSION;
                and &cv-link-APPLELINK_NO_COMPATIBILITY_VERSION; and  &cv-link-SHLIBVERSION;
                to determine the correct flag.
            </para>
        </summary>
    </cvar>


    <cvar name="APPLELINK_CURRENT_VERSION">
        <summary>
            <para>
                On Mac OS X this is used to set the linker flag:

                -current_version
            </para>
            <para>
                The value is specified as X[.Y[.Z]] where X is between 1 and 65535, Y can be omitted or between 1 and
                255, Z can be omitted or between 1 and 255. This value will be set to &cv-link-SHLIBVERSION; if not
                specified.
            </para>
            <para>
                If the &cv-link-APPLELINK_NO_CURRENT_VERSION; is set then no -current_version will be
                output.
            </para>
            <para>See MacOS's ld manpage for more details</para>

        </summary>
    </cvar>


    <cvar name="APPLELINK_NO_CURRENT_VERSION">
        <summary>
            <para>
                Set this to any True (1|True|non-empty string) value to disable adding -current_version flag when
                generating versioned shared libraries.
            </para>
            <para>
                This overrides &cv-link-APPLELINK_CURRENT_VERSION;.
            </para>
        </summary>
    </cvar>

    <cvar name="_APPLELINK_CURRENT_VERSION">
        <summary>
            <para>
                A macro (by default a generator function) used to create the linker flags to specify apple's linker's
                -current_version flag.  The default generator uses &cv-link-APPLELINK_CURRENT_VERSION; and
                &cv-link-APPLELINK_NO_CURRENT_VERSION; and  &cv-link-SHLIBVERSION; to determine the correct flag.
            </para>
        </summary>
    </cvar>


    <cvar name="FRAMEWORKSFLAGS">">
        <summary>
            <para>
                On Mac OS X with gcc,
                general user-supplied frameworks options to be added at
                the end of a command
                line building a loadable module.
                (This has been largely superseded by
                the &cv-link-FRAMEWORKPATH;, &cv-link-FRAMEWORKPATHPREFIX;,
                &cv-link-FRAMEWORKPREFIX; and &cv-link-FRAMEWORKS; variables
                described above.)
            </para>
        </summary>
    </cvar>

    <cvar name="FRAMEWORKS">
        <summary>
            <para>
                On Mac OS X with gcc, a list of the framework names to be linked into a
                program or shared library or bundle.
                The default value is the empty list.
                For example:
            </para>

            <example_commands>
env.AppendUnique(FRAMEWORKS=Split('System Cocoa SystemConfiguration'))
            </example_commands>

        </summary>
    </cvar>

    <cvar name="FRAMEWORKPREFIX">
        <summary>
            <para>
                On Mac OS X with gcc,
                the prefix to be used for linking in frameworks
                (see &cv-link-FRAMEWORKS;).
                The default value is
                <option>-framework</option>.
            </para>
        </summary>
    </cvar>

    <cvar name="_FRAMEWORKS">
        <summary>
            <para>
                On Mac OS X with gcc,
                an automatically-generated construction variable
                containing the linker command-line options
                for linking with FRAMEWORKS.
            </para>
        </summary>
    </cvar>

    <cvar name="FRAMEWORKPATH">
        <summary>
            <para>
                On Mac OS X with gcc,
                a list containing the paths to search for frameworks.
                Used by the compiler to find framework-style includes like
                #include &lt;Fmwk/Header.h&gt;.
                Used by the linker to find user-specified frameworks when linking (see
                &cv-link-FRAMEWORKS;).
                For example:
            </para>

            <example_commands>
env.AppendUnique(FRAMEWORKPATH='#myframeworkdir')
            </example_commands>

            <para>
                will add
            </para>

            <example_commands>
... -Fmyframeworkdir
            </example_commands>

            <para>
                to the compiler and linker command lines.
            </para>
        </summary>
    </cvar>

    <cvar name="FRAMEWORKPATHPREFIX">
        <summary>
            <para>
                On Mac OS X with gcc, the prefix to be used for the FRAMEWORKPATH entries.
                (see &cv-link-FRAMEWORKPATH;).
                The default value is
                <option>-F</option>.
            </para>
        </summary>
    </cvar>

    <cvar name="_FRAMEWORKPATH">
        <summary>
            <para>
                On Mac OS X with gcc, an automatically-generated construction variable
                containing the linker command-line options corresponding to
                &cv-link-FRAMEWORKPATH;.
            </para>
        </summary>
    </cvar>

</sconsdoc>
