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|
###########################################################
### SMB Build System ###
### - the dependency calculation functions ###
### ###
### Copyright (C) Stefan (metze) Metzmacher 2004 ###
### Released under the GNU GPL ###
###########################################################
package depend;
use strict;
###########################################################
# This function resolves the dependencies
# for the SUBSYSTEMS_LIST
# @SUBSYSTEMS_LIST = _do_calc_subsystem_list($SMB_BUILD_CTX, \@SUBSYSTEMS_LIST);
#
# $SMB_BUILD_CTX - the global SMB_BUILD context
#
# \@SUBSYSTEMS_LIST - the reference to the SUBSYSTEMS_LIST
#
# @SUBSYSTEMS_LIST - the expanded resulting SUBSYSTEMS_LIST
#
sub _do_calc_subsystem_list($$)
{
my $CTX = shift;
my $subsys_list = shift;
my @SUBSYSTEMS_LIST = @$subsys_list;
#
# now try to resolve the dependencies for the library
#
my $i = 0;
my $count = $#SUBSYSTEMS_LIST;
for (;$i<=$count;$i++) {
#
# see if the current subsystem depends on other not listed subsystems
#
foreach my $elem (@{$CTX->{DEPEND}{SUBSYSTEMS}{$SUBSYSTEMS_LIST[$i]}{SUBSYSTEMS_LIST}}) {
my $seen = 0;
#
# check if it's already in the list
#
foreach my $elem2 (@SUBSYSTEMS_LIST) {
#
# check of the names matche
#
if ($elem eq $elem2) {
#
# mark it as already in the list
#
$seen = 1;
last;
}
}
#
# if it's already there skip it
#
if ($seen == 1) {
next;
}
#
# if it's not there add it
# and $count++
#
push(@SUBSYSTEMS_LIST,$elem);
$count++;
}
}
return @SUBSYSTEMS_LIST;
}
###########################################################
# This function resolves the dependencies
# for the LIBRARIES_LIST based on the SUBSYSTEMS_LIST
# @LIBRARIES_LIST = _do_calc_libraries_list($SMB_BUILD_CTX, \@SUBSYSTEMS_LIST, \@LIBRARIES_LIST);
#
# $SMB_BUILD_CTX - the global SMB_BUILD context
#
# \@SUBSYSTEMS_LIST - the reference to the SUBSYSTEMS_LIST
#
# \@LIBRARIES_LIST - the reference to the LIBRARIES_LIST
#
# @LIBRARIES_LIST - the expanded resulting LIBRARIES_LIST
#
sub _do_calc_libraries_list($$$)
{
my $CTX = shift;
my $subsys_list = shift;
my @SUBSYSTEMS_LIST = @$subsys_list;
my $libs_list = shift;
my @LIBRARIES_LIST = @$libs_list;
#
# add the LIBARARIES of each subsysetm in the @SUBSYSTEMS_LIST
#
foreach my $elem (@SUBSYSTEMS_LIST) {
#
# see if the subsystem depends on a not listed LIBRARY
#
foreach my $elem1 (@{$CTX->{DEPEND}{SUBSYSTEMS}{$elem}{LIBRARIES_LIST}}) {
my $seen = 0;
#
# check if it's already in the list
#
foreach my $elem2 (@LIBRARIES_LIST) {
#
# check of the names matche
#
if ($elem1 eq $elem2) {
#
# mark it as already in the list
#
$seen = 1;
last;
}
}
#
# if it's already there skip it
#
if ($seen == 1) {
next;
}
#
# if it's not there add it
#
push(@LIBRARIES_LIST,$elem1);
}
}
return @LIBRARIES_LIST;
}
###########################################################
# This function creates the dependencies for subsystems
# _do_depend_subsystems($SMB_BUILD_CTX)
#
# $SMB_BUILD_CTX - the global SMB_BUILD context
sub _do_depend_subsystems($)
{
my $CTX = shift;
#
# loop on all subsystems
#
foreach my $key (sort keys %{$CTX->{INPUT}{SUBSYSTEMS}}) {
my $name = $CTX->{INPUT}{SUBSYSTEMS}{$key}{NAME};
my @STATIC_MODULES_LIST = ();
my @INIT_FUNCTIONS = ();
#
# skip when the subsystem was disabled
#
if ($CTX->{INPUT}{SUBSYSTEMS}{$key}{ENABLE} ne "YES" ) {
next;
}
#
# create the subsystems used OBJ_LIST
#
my @OBJ_LIST = ();
push (@OBJ_LIST, @{$CTX->{INPUT}{SUBSYSTEMS}{$key}{INIT_OBJ_FILES}});
push (@OBJ_LIST, @{$CTX->{INPUT}{SUBSYSTEMS}{$key}{ADD_OBJ_FILES}});
#
# create the subsystems used SUBSYSTEMS_LIST
#
my @SUBSYSTEMS_LIST = ();
push (@SUBSYSTEMS_LIST, (@{$CTX->{INPUT}{SUBSYSTEMS}{$key}{REQUIRED_SUBSYSTEMS}}));
#
# create the subsystems used LIBRARIES_LIST
#
my @LIBRARIES_LIST = ();
push (@LIBRARIES_LIST, @{$CTX->{INPUT}{SUBSYSTEMS}{$key}{REQUIRED_LIBRARIES}});
#
# now collect the info from the subsystems static modules
#
foreach my $subkey (sort keys %{$CTX->{INPUT}{MODULES}}) {
#
# we only want STATIC modules
#
if ($CTX->{INPUT}{MODULES}{$subkey}{BUILD} ne "STATIC") {
next;
}
#
# we only want modules which belong to the current subsystem
#
if ($CTX->{INPUT}{MODULES}{$subkey}{SUBSYSTEM} ne $name) {
next;
}
#
# add it to the STATIC_MODULES_LIST
#
push(@STATIC_MODULES_LIST,$subkey);
push (@INIT_FUNCTIONS, $CTX->{INPUT}{MODULES}{$subkey}{INIT_FUNCTION}) if $CTX->{INPUT}{MODULES}{$subkey}{INIT_FUNCTION} ne "";
#
# add OBJS of static modules to the subsystems used OBJ_LIST
#
push (@OBJ_LIST, (@{$CTX->{INPUT}{MODULES}{$subkey}{INIT_OBJ_FILES}}));
push (@OBJ_LIST, (@{$CTX->{INPUT}{MODULES}{$subkey}{ADD_OBJ_FILES}}));
#
# add SUBSYSTEMS of static modules to the subsystems used SUBSYSTEMS_LIST
#
push (@SUBSYSTEMS_LIST, (@{$CTX->{INPUT}{MODULES}{$subkey}{REQUIRED_SUBSYSTEMS}}));
#
# add LIBRARIES of static modules to the subsystems used LIBRARIES_LIST
#
push (@LIBRARIES_LIST, (@{$CTX->{INPUT}{MODULES}{$subkey}{REQUIRED_LIBRARIES}}));
}
#
# set the lists
#
@{$CTX->{DEPEND}{SUBSYSTEMS}{$key}{INIT_FUNCTIONS}} = @INIT_FUNCTIONS;
@{$CTX->{DEPEND}{SUBSYSTEMS}{$key}{OBJ_LIST}} = @OBJ_LIST;
@{$CTX->{DEPEND}{SUBSYSTEMS}{$key}{STATIC_MODULES_LIST}} = @STATIC_MODULES_LIST;
@{$CTX->{DEPEND}{SUBSYSTEMS}{$key}{SUBSYSTEMS_LIST}} = @SUBSYSTEMS_LIST;
@{$CTX->{DEPEND}{SUBSYSTEMS}{$key}{LIBRARIES_LIST}} = @LIBRARIES_LIST;
}
return;
}
###########################################################
# This function creates the dependencies for ext libs
# _do_depend_ext_libs($SMB_BUILD_CTX)
#
# $SMB_BUILD_CTX - the global SMB_BUILD context
sub _do_depend_ext_libs($)
{
my $CTX = shift;
#
# loop over all ext libs
#
foreach my $key (sort keys %{$CTX->{INPUT}{EXT_LIBS}}) {
my $name = $CTX->{INPUT}{EXT_LIBS}{$key}{NAME};
#
# if it's not a shared module skip it
#
if ($CTX->{INPUT}{EXT_LIBS}{$key}{ENABLE} ne "YES") {
next;
}
#
# set the lists
#
$CTX->{DEPEND}{EXT_LIBS}{$key}{NAME} = $name;
@{$CTX->{DEPEND}{EXT_LIBS}{$key}{LIBS}} = @{$CTX->{INPUT}{EXT_LIBS}{$key}{LIBS}};
@{$CTX->{DEPEND}{EXT_LIBS}{$key}{CFLAGS}} = @{$CTX->{INPUT}{EXT_LIBS}{$key}{CFLAGS}};
@{$CTX->{DEPEND}{EXT_LIBS}{$key}{CPPFLAGS}} = @{$CTX->{INPUT}{EXT_LIBS}{$key}{CPPFLAGS}};
@{$CTX->{DEPEND}{EXT_LIBS}{$key}{LDFLAGS}} = @{$CTX->{INPUT}{EXT_LIBS}{$key}{LDFLAGS}};
}
return;
}
###########################################################
# This function creates the dependencies for shared modules
# _do_depend_shared_modules($SMB_BUILD_CTX)
#
# $SMB_BUILD_CTX - the global SMB_BUILD context
sub _do_depend_shared_modules($)
{
my $CTX = shift;
#
# loop over all shared modules
#
foreach my $key (sort keys %{$CTX->{INPUT}{MODULES}}) {
my $name = $CTX->{INPUT}{MODULES}{$key}{NAME};
#
# if it's not a shared module skip it
#
if ($CTX->{INPUT}{MODULES}{$key}{BUILD} ne "SHARED" ) {
next;
}
#
# create the shared modules used SUBSYSTEMS_LIST
#
my @SUBSYSTEMS_LIST = ();
push (@SUBSYSTEMS_LIST, (@{$CTX->{INPUT}{MODULES}{$key}{REQUIRED_SUBSYSTEMS}}));
#
# now try to resolve the dependencies for the shared module
#
@SUBSYSTEMS_LIST = _do_calc_subsystem_list($CTX, \@SUBSYSTEMS_LIST);
#
# create the shared modules used LIBRARIES_LIST
#
my @LIBRARIES_LIST = ();
push (@LIBRARIES_LIST, @{$CTX->{INPUT}{MODULES}{$key}{REQUIRED_LIBRARIES}});
#
# add the LIBARARIES of each subsysetm in the @SUBSYSTEMS_LIST
#
@LIBRARIES_LIST = _do_calc_libraries_list($CTX, \@SUBSYSTEMS_LIST, \@LIBRARIES_LIST);
#
# set the lists
#
@{$CTX->{DEPEND}{SHARED_MODULES}{$key}{SUBSYSTEMS_LIST}} = @SUBSYSTEMS_LIST;
@{$CTX->{DEPEND}{SHARED_MODULES}{$key}{LIBRARIES_LIST}} = @LIBRARIES_LIST;
}
return;
}
###########################################################
# This function creates the dependencies for libraries
# _do_depend_libraries($SMB_BUILD_CTX)
#
# $SMB_BUILD_CTX - the global SMB_BUILD context
sub _do_depend_libraries($)
{
my $CTX = shift;
#
# loop over all libraries
#
foreach my $key (sort keys %{$CTX->{INPUT}{LIBRARIES}}) {
my $name = $CTX->{INPUT}{LIBRARIES}{$key}{NAME};
#
# if it's not a library skip it
#
if ($CTX->{INPUT}{LIBRARIES}{$key}{ENABLE} ne "YES" ) {
next;
}
#
# create the libraries used SUBSYSTEMS_LIST
#
my @SUBSYSTEMS_LIST = ();
push (@SUBSYSTEMS_LIST, @{$CTX->{INPUT}{LIBRARIES}{$key}{REQUIRED_SUBSYSTEMS}});
#
# now try to resolve the dependencies for the library
#
@SUBSYSTEMS_LIST = _do_calc_subsystem_list($CTX, \@SUBSYSTEMS_LIST);
#
# create the libraries used LIBRARIES_LIST
#
my @LIBRARIES_LIST = ();
push (@LIBRARIES_LIST, @{$CTX->{INPUT}{LIBRARIES}{$key}{REQUIRED_LIBRARIES}});
#
# add the LIBARARIES of each subsysetm in the @SUBSYSTEMS_LIST
#
@LIBRARIES_LIST = _do_calc_libraries_list($CTX, \@SUBSYSTEMS_LIST, \@LIBRARIES_LIST);
#
# set the lists
#
@{$CTX->{DEPEND}{LIBRARIES}{$key}{SUBSYSTEMS_LIST}} = @SUBSYSTEMS_LIST;
@{$CTX->{DEPEND}{LIBRARIES}{$key}{LIBRARIES_LIST}} = @LIBRARIES_LIST;
}
return;
}
###########################################################
# This function creates the dependencies for binaries
# _do_depend_binaries($SMB_BUILD_CTX)
#
# $SMB_BUILD_CTX - the global SMB_BUILD context
sub _do_depend_binaries($)
{
my $CTX = shift;
#
# loop over all binaries
#
foreach my $key (sort keys %{$CTX->{INPUT}{BINARIES}}) {
my $name = $CTX->{INPUT}{BINARIES}{$key}{NAME};
#
# skip when the binary was disabled
#
if ($CTX->{INPUT}{BINARIES}{$key}{ENABLE} ne "YES" ) {
next;
}
#
# create the binaries used SUBSYSTEMS_LIST
#
my @SUBSYSTEMS_LIST = ();
push (@SUBSYSTEMS_LIST, @{$CTX->{INPUT}{BINARIES}{$key}{REQUIRED_SUBSYSTEMS}});
#
# now try to resolve the dependencies for the binary
#
@SUBSYSTEMS_LIST = _do_calc_subsystem_list($CTX, \@SUBSYSTEMS_LIST);
my @INIT_FUNCTIONS = ();
foreach my $subkey (@SUBSYSTEMS_LIST)
{
push (@INIT_FUNCTIONS, $CTX->{INPUT}{SUBSYSTEMS}{$subkey}{INIT_FUNCTION}) if defined ($CTX->{INPUT}{SUBSYSTEMS}{$subkey}{INIT_FUNCTION}) and $CTX->{INPUT}{SUBSYSTEMS}{$subkey}{INIT_FUNCTION} ne "";
}
#
# create the binaries used LIBRARIES_LIST
#
my @LIBRARIES_LIST = ();
push (@LIBRARIES_LIST, @{$CTX->{INPUT}{BINARIES}{$key}{REQUIRED_LIBRARIES}});
#
# add the LIBARARIES of each subsysetm in the @SUBSYSTEMS_LIST
#
@LIBRARIES_LIST = _do_calc_libraries_list($CTX, \@SUBSYSTEMS_LIST, \@LIBRARIES_LIST);
#
# set the lists
#
@{$CTX->{DEPEND}{BINARIES}{$key}{SUBSYSTEMS_LIST}} = @SUBSYSTEMS_LIST;
@{$CTX->{DEPEND}{BINARIES}{$key}{LIBRARIES_LIST}} = @LIBRARIES_LIST;
@{$CTX->{DEPEND}{BINARIES}{$key}{INIT_FUNCTIONS}} = @INIT_FUNCTIONS;
}
return;
}
###########################################################
# This function creates the dependency tree from the SMB_BUILD
# context
# create_depend($SMB_BUILD_CTX)
#
# $SMB_BUILD_CTX - the global SMB_BUILD context
sub create_depend($)
{
my $CTX = shift;
_do_depend_ext_libs($CTX);
_do_depend_subsystems($CTX);
_do_depend_shared_modules($CTX);
_do_depend_libraries($CTX);
_do_depend_binaries($CTX);
return;
}
1;
|
