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|
#!/usr/bin/perl
#
# Script used to sort kernel-*.config files.
# Usage:
# ./kernel-config-sort.pl ../BUILD/linux-2.6.*/ kernel-multiarch.config
#
# ./kernel-config-sort.pl ../BUILD/linux-2.6.*/ -a x86 kernel-x86.config
#
use strict;
use warnings;
my $dir = ( shift @ARGV ) || ".";
my $arch;
if ( $ARGV[0] eq "-a" ) {
shift @ARGV;
$arch = shift @ARGV;
}
my $old_dir = $ENV{PWD};
chdir $dir;
my @Kconfig_list;
my @Kconfig_arch;
sub look_in
{
my $parent = shift;
my @files = glob $parent."*";
foreach ( @files ) {
if ( -d ) {
if ( $_ eq "Documentation" or $_ eq "build-done" ) {
warn "Skipping $_\n";
next;
}
look_in( $_ . '/' );
next;
}
if ( m#^.*/Kconfig# ) {
if ( m#^arch/# ) {
push @Kconfig_arch, $_;
} else {
push @Kconfig_list, $_;
}
}
}
}
if ( $arch ) {
push @Kconfig_list, "arch/$arch/Kconfig";
} else {
look_in("");
push @Kconfig_list, @Kconfig_arch;
}
my %byFile;
my %byName;
sub add_Kconfig
{
my $file = shift;
my @maybe_add_source;
my @config_list;
unless ( -r $file ) {
warn "FILE $file does not exist\n";
return;
}
open my $f_in, '<', $file;
while ( <$f_in> ) {
if ( /^\s?(?:menu)?config\s+(.*?)`?\s*$/ ) {
if ( $byName{ $1 } ) {
warn "Warning: $file: $1 already defined in $byName{ $1 }\n";
next;
}
push @config_list, [ 'o', $1 ];
next;
}
if ( /^\s?comment\s+"(.*?)"\s*$/ ) {
push @config_list, [ 'c', $1 ];
next;
}
if ( /^\s*source\s+"(\S+?)"\s*$/ or /^\s*source\s+(\S+?)\s*$/) {
push @maybe_add_source, $1;
push @config_list, [ 's', $1 ];
next;
}
}
close $f_in;
$byFile{ $file } = \@config_list;
{
my %add;
@add{ @maybe_add_source } = ();
foreach ( @Kconfig_list ) {
delete $add{ $_ } if exists $add{ $_ };
}
if ( keys %add ) {
#warn "Adding more source files: " . ( join ", ", sort keys %add ) ."\n";
push @Kconfig_list, sort keys %add;
}
}
}
{
my $i;
for ( $i = 0; $i < scalar @Kconfig_list; $i++ ) {
my $file = $Kconfig_list[ $i ];
add_Kconfig( $file );
}
}
my $arch_specific;
unless ( $arch ) {
my @arch_specific;
foreach my $f ( sort keys %byFile ) {
next unless $f =~ /^arch/;
foreach my $line ( @{ $byFile{ $f } } ) {
push @arch_specific, $line->[1]
if $line->[0] eq 'o';
}
delete $byFile{ $f };
}
my @as = map { [ 'o', $_ ] } sort @arch_specific;
$arch_specific = \@as;
}
chdir $old_dir;
my $out_file = $ARGV[ $#ARGV ];
my %setOptions;
my $allowed_name = qr/[A-Za-z0-9_]+/;
my $comment = "";
while ( <> ) {
if ( /^#\*/ ) {
$comment .= $_;
next;
}
my $opt;
if ( /^# CONFIG_($allowed_name) is not set$/ ) {
$opt = $1;
}
if ( /^(?:CONFIG_)?($allowed_name)[=\s]/ ) {
$opt = $1;
}
unless ( $opt ) {
if ( /\S/ and !/^#-/ ) {
warn "Ignored line: $_";
}
next;
}
if ( exists $setOptions{ $opt } ) {
die "OPTION $opt REDEFINED";
}
chomp;
$setOptions{ $opt } = $comment . $_;
$comment = "";
}
sub file_out
{
my $file = shift;
my $any_out = 0;
my @out;
push @out, "#-", "#- *** FILE: $file ***", "#-";
my $file_lines = $byFile{ $file };
foreach my $line ( @{$file_lines} ) {
my ($type, $data) = @$line;
if ( $type eq 'o' ) {
if ( exists $setOptions{ $data } ) {
push @out, $setOptions{ $data };
delete $setOptions{ $data };
$any_out = 1;
}
} elsif ( $type eq 'c' ) {
push @out, "#- $data";
} elsif ( $type eq 's' ) {
push @out, "#- file $data goes here";
}
}
if ( $any_out ) {
return "\n" . ( join "\n", @out ) . "\n";
}
return "";
}
*FILE_OUT = \*STDOUT;
if ( $out_file ) {
open FILE_OUT, '>', $out_file;
}
unless ( $arch ) {
my @out;
foreach my $f ( sort keys %byFile ) {
push @out, file_out( $f );
}
my $as_name = "arch/* - ARCH SPECIFIC OPTIONS";
$byFile{ $as_name } = $arch_specific;
unshift @out, file_out( $as_name );
print FILE_OUT @out;
} else {
foreach my $f ( sort keys %byFile ) {
print FILE_OUT file_out( $f );
}
}
if ( keys %setOptions ) {
print FILE_OUT "\n#-\n#- *** PROBABLY REMOVED OPTIONS ***\n#-\n";
foreach my $k ( sort keys %setOptions ) {
print FILE_OUT $setOptions{ $k } . "\n";
}
}
|
