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# Samba Build System
# - the input checking functions
#
# Copyright (C) Stefan (metze) Metzmacher 2004
# Copyright (C) Jelmer Vernooij 2004
# Released under the GNU GPL
use strict;
package smb_build::input;
use vars qw($library_output_type $subsystem_output_type $module_output_type);
$library_output_type = "OBJ_LIST";
$subsystem_output_type = "OBJ_LIST";
$module_output_type = "OBJ_LIST";
my $srcdir = ".";
sub strtrim($)
{
$_ = shift;
s/^[\t\n ]*//g;
s/[\t\n ]*$//g;
return $_;
}
sub str2array($)
{
$_ = shift;
s/^[\t\n ]*//g;
s/[\t\n ]*$//g;
s/([\t\n ]+)/ /g;
return () if (length($_)==0);
return split /[ \t\n]/;
}
sub check_subsystem($$)
{
my ($INPUT, $subsys) = @_;
if ($subsys->{ENABLE} ne "YES") {
printf("Subsystem `%s' disabled\n",$subsys->{NAME});
return;
}
unless(defined($subsys->{OUTPUT_TYPE})) {
$subsys->{OUTPUT_TYPE} = $subsystem_output_type;
}
}
sub check_module($$)
{
my ($INPUT, $mod) = @_;
die("Module $mod->{NAME} does not have a SUBSYSTEM set") if not defined($mod->{SUBSYSTEM});
my $use_default = 0;
if (!(defined($INPUT->{$mod->{SUBSYSTEM}}))) {
$mod->{ENABLE} = "NO";
return;
}
if ($mod->{ENABLE} ne "YES")
{
printf("Module `%s' disabled\n",$mod->{NAME});
return;
}
if (defined($mod->{CHOSEN_BUILD}) and $mod->{CHOSEN_BUILD} ne "DEFAULT")
{
$mod->{OUTPUT_TYPE} = $mod->{CHOSEN_BUILD};
} else {
$mod->{OUTPUT_TYPE} = $module_output_type;
}
if ($mod->{OUTPUT_TYPE} eq "SHARED_LIBRARY" or
$mod->{OUTPUT_TYPE} eq "STATIC_LIBRARY") {
$mod->{INSTALLDIR} = "LIBDIR/$mod->{SUBSYSTEM}";
push (@{$mod->{REQUIRED_SUBSYSTEMS}}, $mod->{SUBSYSTEM});
} else {
push (@{$INPUT->{$mod->{SUBSYSTEM}}{REQUIRED_SUBSYSTEMS}}, $mod->{NAME});
}
}
sub check_library($$)
{
my ($INPUT, $lib) = @_;
if ($lib->{ENABLE} ne "YES") {
printf("Library `%s' disabled\n",$lib->{NAME});
return;
}
$lib->{OUTPUT_TYPE} = $library_output_type;
unless (defined($lib->{MAJOR_VERSION})) {
print "$lib->{NAME}: Please specify MAJOR_VERSION\n";
return;
}
$lib->{INSTALLDIR} = "LIBDIR";
}
sub check_binary($$)
{
my ($INPUT, $bin) = @_;
if ($bin->{ENABLE} ne "YES") {
printf("Binary `%s' disabled\n",$bin->{NAME});
return;
}
($bin->{BINARY} = (lc $bin->{NAME})) if not defined($bin->{BINARY});
$bin->{OUTPUT_TYPE} = "BINARY";
}
sub calc_unique_deps($$)
{
sub calc_unique_deps($$);
my ($deps, $udeps) = @_;
foreach my $dep (@{$deps}) {
if (not defined($udeps->{$$dep->{NAME}})) {
if (defined ($$dep->{OUTPUT_TYPE}) && (($$dep->{OUTPUT_TYPE} eq "OBJ_LIST")
or ($$dep->{OUTPUT_TYPE} eq "MERGEDOBJ"))) {
$udeps->{$$dep->{NAME}} = "BUSY";
calc_unique_deps($$dep->{DEPENDENCIES}, $udeps);
}
$udeps->{$$dep->{NAME}} = $$dep;
}
}
}
###########################################################
# This function checks the input from the configure script
#
# check_input($INPUT)
#
# $INPUT - the global INPUT context
# $enabled - list of enabled subsystems/libs
sub check($$)
{
my ($INPUT, $enabled) = @_;
foreach my $part (values %$INPUT) {
if (defined($enabled->{$part->{NAME}})) {
$part->{ENABLE} = $enabled->{$part->{NAME}};
next;
}
unless(defined($part->{ENABLE})) {
$part->{ENABLE} = "YES";
}
}
foreach my $k (keys %$INPUT) {
my $part = $INPUT->{$k};
check_subsystem($INPUT, $part) if ($part->{TYPE} eq "SUBSYSTEM");
check_module($INPUT, $part) if ($part->{TYPE} eq "MODULE");
check_library($INPUT, $part) if ($part->{TYPE} eq "LIBRARY");
check_binary($INPUT, $part) if ($part->{TYPE} eq "BINARY");
}
my %depend = %$INPUT;
foreach my $part (values %depend) {
# Generate list of dependencies
$part->{DEPENDENCIES} = [];
foreach my $key (@{$part->{REQUIRED_SUBSYSTEMS}}) {
die("$part->{NAME} has undefined dependency $key\n") if not defined($depend{$key});
push (@{$part->{DEPENDENCIES}}, \$depend{$key});
}
delete ($part->{REQUIRED_SUBSYSTEMS});
}
foreach my $part (values %depend) {
$part->{UNIQUE_DEPENDENCIES} = {};
calc_unique_deps($part->{DEPENDENCIES}, $part->{UNIQUE_DEPENDENCIES});
}
return \%depend;
}
1;
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