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###########################################################
### SMB 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;
my $subsystem_default_output_type = "MERGEDOBJ";
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($$)
{
my ($INPUT, $subsys) = @_;
if ($subsys->{ENABLE} ne "YES") {
printf("Subsystem: %s disabled!\n",$subsys->{NAME});
return;
}
unless(defined($subsys->{OUTPUT_TYPE})) {
$subsys->{OUTPUT_TYPE} = $subsystem_default_output_type;
}
}
sub check_module($$)
{
my ($INPUT, $mod) = @_;
die("Module $mod->{NAME} does not have a SUBSYSTEM set") if not defined($mod->{SUBSYSTEM});
($mod->{DEFAULT_BUILD} = "STATIC") if not defined($mod->{DEFAULT_BUILD});
my $use_default = 0;
if (!(defined($INPUT->{$mod->{SUBSYSTEM}}))) {
$mod->{BUILD} = "NOT";
$mod->{ENABLE} = "NO";
printf("Module: %s...PARENT SUBSYSTEM ($mod->{SUBSYSTEM}) DISABLED\n",$mod->{NAME});
return;
}
if (($mod->{ENABLE} eq "STATIC") or
($mod->{ENABLE} eq "NOT") or
($mod->{ENABLE} eq "SHARED")) {
$mod->{DEFAULT_BUILD} = $mod->{ENABLE};
} elsif ($mod->{ENABLE} ne "YES")
{
$mod->{CHOSEN_BUILD} = "NOT";
}
if (not defined($mod->{CHOSEN_BUILD}) or $mod->{CHOSEN_BUILD} eq "DEFAULT")
{
$mod->{CHOSEN_BUILD} = $mod->{DEFAULT_BUILD};
}
if ($mod->{CHOSEN_BUILD} eq "SHARED") {
$mod->{ENABLE} = "YES";
$mod->{OUTPUT_TYPE} = "SHARED_LIBRARY";
push (@{$mod->{REQUIRED_SUBSYSTEMS}}, $mod->{SUBSYSTEM});
printf("Module: %s...shared\n",$mod->{NAME});
} elsif ($mod->{CHOSEN_BUILD} eq "STATIC") {
$mod->{ENABLE} = "YES";
push (@{$INPUT->{$mod->{SUBSYSTEM}}{REQUIRED_SUBSYSTEMS}}, $mod->{NAME});
printf("Module: %s...static\n",$mod->{NAME});
$mod->{OUTPUT_TYPE} = $subsystem_default_output_type;
} else {
$mod->{ENABLE} = "NO";
printf("Module: %s...not\n",$mod->{NAME});
return;
}
}
sub check_library($$)
{
my ($INPUT, $lib) = @_;
if ($lib->{ENABLE} ne "YES") {
printf("Library: %s...disabled\n",$lib->{NAME});
return;
}
$lib->{OUTPUT_TYPE} = "SHARED_LIBRARY";
}
sub check_binary($$)
{
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->{$$dep->{NAME}})) {
$udeps->{$$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, $enabled) = @_;
($subsystem_default_output_type = $ENV{SUBSYSTEM_OUTPUT_TYPE}) if (defined($ENV{"SUBSYSTEM_OUTPUT_TYPE"}));
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};
if (not defined($part->{TYPE})) {
print STDERR "$k does not have a type set.. Perhaps it's only mentioned in a .m4 but not in a .mk file?\n";
next;
}
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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