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#/*@@
# @file ProcessConfiguration.pl
# @date Mon May 8 15:52:08 2000
# @author Tom Goodale
# @desc
#
# @enddesc
#@@*/
#/*@@
# @routine SplitThorns
# @date Mon May 8 16:04:59 2000
# @author Tom Goodale
# @desc
# Splits the thorns hash into those with source and those without source
# @enddesc
# @calls
# @calledby
# @history
#
# @endhistory
#
#@@*/
sub SplitThorns
{
my ($configuration_database, $thorns, $source_thorns, $nosource_thorns) = @_;
foreach $thorn (sort keys %$thorns)
{
if($configuration_database->{"\U$thorn OPTIONS\E"} =~ m/NO_SOURCE/i)
{
$nosource_thorns->{"$thorn"} = $thorns->{"$thorn"};
}
else
{
$source_thorns->{"$thorn"} = $thorns->{"$thorn"};
}
}
}
#/*@@
# @routine ProcessConfiguration
# @date Thu Aug 26 22:09:26 2004
# @author Tom Goodale
# @desc
# Runs all the configuration scripts belonging to thorns.
# Has to setup the environment correctly, and as a result
# modifies the config-info file for future reference.
# @enddesc
# @calls
# @calledby
# @history
#
# @endhistory
#
#@@*/
sub ProcessConfiguration
{
my($config_dir,$config_database, $thorns, $config_file) = @_;
my $thorn;
my $provides;
my @allowed_opts;
# Find the master list of allowed options
foreach $thorn (sort keys %thorns)
{
# print "DEBUG: Thorn $thorn\n";
foreach $provides (split(' ',$config_database->{"\U$thorn\E PROVIDES"}))
{
# print "DEBUG: Provides $provides\n";
if(@{$config_database->{"\U$thorn\E PROVIDES \U$provides\E OPTIONS"}} != 0)
{
# print "DEBUG: $thorn provides $provides with options\n";
push(@allowed_opts, @{$config_database->{"\U$thorn\E PROVIDES \U$provides\E OPTIONS"}});
}
}
}
# print "DEBUG: allowed options are @allowed_opts\n";
# Now get all the configuration options.
my $env;
my $optfile;
my $configinfo;
my $headers;
($configinfo,$headers) = ParseConfigInfo($config_file);
if($ENV{"options"})
{
$optfile = ParseOptionsFile($ENV{"options"})
}
else
{
$optfile = {};
}
$env = GetOptionsFromEnv(\%ENV, \@allowed_opts);
my $modified = AmalgamateOptions($env,$optfile,$configinfo,\@allowed_opts);
# Write a new config-info file if anything has changed
if($modified)
{
WriteNewConfigInfo($config_file,$headers,$configinfo);
}
# Now setup the environment
# FIXME: Would like to restrict this to just the @allowed_opts, but then
# flesh configuration options like MPI or arch specific ones like
# IRIX_BITS would not be propogated 8-(
foreach $option (keys %$configinfo)
{
$ENV{$option} = $configinfo->{$option};
}
# Ok, can now run the configuration scripts.
my %thorns_todo = ();
map { $thorns_todo{"\U$_\E"} = 1; } keys %thorns;
my %requirements_done = ();
my $made_progress = 1;
# print "DEBUG: Processing thorn provisions:\n";
while (keys %thorns_todo and $made_progress)
{
# print "DEBUG: Thorns left to do: " . scalar(%thorns_todo) . "\n";
# map { print "DEBUG: - $_\n"; } sort keys %thorns_todo;
$made_progress = 0;
THORN: foreach $thorn (sort keys %thorns_todo)
{
# print "DEBUG: Checking thorn $thorn\n";
my @provides_list = split(' ',$config_database->{"\U$thorn\E PROVIDES"});
# print "DEBUG: Provides: @provides_list\n";
my @requires_list = split(' ',$config_database->{"\U$thorn\E REQUIRES"});
# print "DEBUG: Requires: @requires_list\n";
my %need = ();
map { $need{"\U$_\E"} = 1; } @requires_list;
map { delete $need{"\U$_\E"}; } @provides_list;
map { next THORN unless exists $requirements_done{"\U$_\E"}; } keys %need;
# print "DEBUG: Processing thorn $thorn\n";
foreach my $provides (@provides_list)
{
# print "DEBUG: Processing provision $provides\n";
my $script = $config_database->{"\U$thorn\E PROVIDES \U$provides\E SCRIPT"};
my $lang = $config_database->{"\U$thorn\E PROVIDES \U$provides\E LANG"};
if ($script)
{
# print "DEBUG: Running configuration script '$script'\n";
&ParseConfigScript($config_dir, $provides, $lang, $script,
$thorn, $config_database);
# print "DEBUG: \n";
}
# Add make definitions to the environment, so that they are
# available to the following scripts
my $config = $config_database->{"\U$thorn $provides\E MAKE_DEFINITION"};
my %options = $config =~ /^\s*(\w+)\s*=(.*)$/mg;
foreach my $option (keys %options)
{
my $value = $options{$option};
$value =~ s/^\s*//;
$value =~ s/\s*$//;
# print "DEBUG: Thorn $thorn, providing $provides, setting \$ENV{$option}=\"$value\"\n";
$ENV{$option} = $value;
}
$requirements_done{"\U$provides\E"} = 1;
}
delete $thorns_todo{"\U$thorn\E"};
$made_progress = 1;
}
# if (! $made_progress)
# {
# print "DEBUG: Provided requirements: " . scalar($requirements_done) . "\n";
# map { print "DEBUG: - $_\n"; } sort keys %requirements_done;
# }
# die unless $made_progress;
}
}
1;
|
