Adapt script and instructions for alt config.h

scripts/activate-config.pl

@@ -1,68 +1,9 @@
 #!/usr/bin/perl
 
+# DEPRECATED!
+#
 # activate a pre-defined configuration
 
-use warnings;
-use strict;
-
-my $config_h = "include/polarssl/config.h";
-
-exit( main() );
-
-sub read_default {
-    open my $fh, '<', $config_h or die "Failed to read $config_h: $!\n";
-
-    my (@pre, @post);
-    my $state = 'pre';
-
-    while( my $line = <$fh> ) {
-        if( $state eq 'pre' ) {
-            push @pre, $line;
-            $state = 'skip' if $line =~ /} name SECTION: System support/;
-        }
-        elsif( $state eq 'skip' ) {
-            $state = 'post' if $line =~/} name SECTION: PolarSSL modules/;
-        }
-        else {
-            push @post, $line;
-        }
-    }
-
-    die "Failed to parse $config_h\n" if( $state ne 'post' );
-
-    close $fh;
-
-    push @pre, "\n";
-
-    return \@pre, \@post;
-}
-
-sub read_custom {
-    my ($file_name) = @_;
-
-    open my $fh, '<', $file_name or die "Failed to read $file_name: $!\n";
-    my @content = <$fh>;
-    close $fh;
-
-    return \@content;
-}
-
-sub write_custom {
-    my ($pre, $mid, $post) = @_;
-
-    open my $fh, '>', $config_h or die "Failed to write $config_h: $!\n";
-    print $fh @$pre;
-    print $fh @$mid;
-    print $fh @$post;
-    close $fh;
-}
-
-sub main {
-    my $custom_file_name = $ARGV[0];
-
-    my ($pre, $post) = read_default();
-    my $mine = read_custom( $custom_file_name );
-    write_custom( $pre, $mine, $post );
-
-    return 0;
-}
+print "This script is deprecated!\n";
+print "See configs/README.txt regarding alternative config.h usage\n";
+exit 1;