- script I am using to sort kernel config files

Changed files:
    kernel-config-sort.pl -> 1.1

diff --git a/kernel-config-sort.pl b/kernel-config-sort.pl
new file mode 100644 (file)
index 0000000..87102f8
--- /dev/null
+++ b/kernel-config-sort.pl
@@ -0,0 +1,220 @@
+#!/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_84.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";
+       }
+}