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###############################################################################
# Copyright (c) ERG Transit Systems. 1996-2006
#
# File:         PLATFORM/LINUX.cfg
#
# Contents:     SOLARIS Build support
#
#               This package is used during the processing of the build.pl file
#               Values provided by this package are used to extend the Platform
#               information as platforms are being created. This provides a
#               powerful set of mechanism to extend the entire JATS toolset
#
#
# Version   Who      Date       Description
#           DDP      01-Aug-06  Created
###############################################################################

use strict;
use warnings;

package LINUX_Build;
use JatsError;

#
#   Create a hash of GBE_MACHTYPEs for which the LINUX platform is available
#   It won't just build on any only machine
#
#   Hash values are an array of:
#           Operating System
#           architecture
#
my %valid_machines = (
    'linux_i386'             => [ 'LINUX' , 'i386' ],           # Current compiler on 32 bit linux
    'linux_x64'              => [ 'LINUX' , 'x64' ],            # Current compiler on 64 bit linux
);

#-------------------------------------------------------------------------------
# Function        : new_platform
#
# Description     : Called when a new platform is being created
#                   The function can extend the build information
#
#                   The 'LINUX' platform will be converted into a 'suitable'
#                   platform for the current machine.
#
# Inputs          : $pInfo          - Reference to the platform build info hash
#
# Returns         : Nothing yet
#

sub new_platform
{
    my $class = shift;              # Not really a class, but its called like a class
    my $pInfo  = shift;

    #
    #   Ignore this platform if there is no way that it can be built on the
    #   current machine.
    #
    my $entry = $valid_machines{$::GBE_MACHTYPE};
    unless ( $entry )
    {
        Verbose ("LINUX will not build on this machine type: $::GBE_MACHTYPE");
        $pInfo->{NOT_AVAILABLE} = 1;
        return;
    }

    #
    #   Request that a simple BuildAlias be created for this platform
    #   Use the original name of the TARGET
    #
    $pInfo->{ALIAS} = $pInfo->{TARGET};

    #
    #   Alter the 'TARGET' name
    #   This is allowed (expected)
    #
    $pInfo->{TARGET} = uc( $entry->[0] . '_' . $entry->[1] );
}

#-------------------------------------------------------------------------------
# Function        : add_platform
#
# Description     : This function is invoked just before a 'platform' is about
#                   to be added to the build system.
#
#                   This call is allowed to alter or extend the platform build
#                   information.
#
# Inputs          : $pInfo          - Reference to the platform build info hash
#
# Returns         : Nothing yet
#
sub add_platform
{
    my $class = shift;              # Not really a class, but its called like a class
    my $pInfo  = shift;

    #
    #   Insert data into the class
    #
    #   ALSO_USES
    #   An array of other platforms that may be 'used' by this platform.
    #   The process is not recursive
    #   Similar to the --Uses option in BuildPlatforms()
    #   Will be subject to product expansion.
    #
    #   Intended use: VS2003 can use stuff from WIN32, but only if the
    #                 VS2003 stuff is not available.
#    $pInfo->{ALSO_USES} = [];

    #
    #   EXTRA_USES
    #   An array of other platforms to be 'used' by this platform.
    #   This list is not expanded in a PRODUCT as the USERS list is.
    #
    #   Intended use: Extend the SOLARIS on a sparc platform to allow for bad usage.
    #                 ie: Stuff is in SOLARIS, SOLARIS_sparc and sparc
    #
    $pInfo->{EXTRA_USES} = ['LINUX'];

    #
    #   EXT_SHARED
    #   Set to the value of the shared library extension
    #
    #   Intended Use
    #   Used to locate shared libraries in packgages for use in the
    #   generation set_<PLATFORM>.sh/.bat
    #
    #   If not set then the set_.sh files will no be created
    #
    $pInfo->{EXT_SHARED} = '.so';

    #
    #   OS_COMMON
    #   Set the name of a directory to be used to package header files to be
    #   used on targets that share a common OS
    #
    #   Note: Should also be a part of EXTRA_USES
    #
    #   Intended Use
    #   Extend the operation of the PackageHdr directive to allow files
    #   common files to be packaged
    #
    $pInfo->{OS_COMMON} = 'LINUX';
}
    
1;