1 files changed, 69 insertions, 0 deletions
diff --git a/scripts/gen_busybox_menuconfig.pl b/scripts/gen_busybox_menuconfig.pl
new file mode 100644
index 0000000000..6ce323bb13
--- /dev/null
+++ b/scripts/gen_busybox_menuconfig.pl
@@ -0,0 +1,69 @@
+#!/usr/bin/perl
+use strict;
+my $PATH = $ARGV[0];
+($PATH and -d $PATH) or die 'invalid path';
+my $DEFCONFIG = $ARGV[1];
+($DEFCONFIG and -f $DEFCONFIG) or die 'invalid config file';
+
+my %config;
+
+open CONFIG, $DEFCONFIG or die 'cannot open config file';
+while (<CONFIG>) {
+	/^([\w_]+)=([ym])/ and $config{$1} = $2;
+	/^([\w_]+)=(\d+)/ and $config{$1} = $2;
+	/^([\w_]+)=(".+")/ and $config{$1} = $2;
+}
+close CONFIG;
+
+open FIND, "find \"$PATH\" -name Config.in |";
+while (<FIND>) {
+	chomp;
+	my $input = $_;
+	s/^$PATH\///g;
+	s/sysdeps\/linux\///g;
+	my $output = $_;
+	print STDERR "$input => $output\n";
+	$output =~ /^(.+)\/[^\/]+$/ and system("mkdir -p $1");
+	
+	open INPUT, $input;
+	open OUTPUT, ">$output";
+	my ($cur, $default_set, $line);
+	while ($line = <INPUT>) {
+		next if $line =~ /^\s*mainmenu/;
+
+		# FIXME: make this dynamic
+		$line =~ s/default CONFIG_FEATURE_BUFFERS_USE_MALLOC/default CONFIG_FEATURE_BUFFERS_GO_ON_STACK/;
+		$line =~ s/default BUSYBOX_CONFIG_FEATURE_SH_IS_NONE/default BUSYBOX_CONFIG_FEATURE_SH_IS_ASH/;
+
+		if ($line =~ /^\s*config\s*([\w_]+)/) {
+			$cur = $1;
+			undef $default_set;
+		}
+		if ($line =~ /^\s*(menu|choice|end|source)/) {
+			undef $cur;
+			undef $default_set;
+		}
+		$line =~ s/^(\s*source\s+)/$1package\/busybox\/config\//;
+		
+		$line =~ s/(\s+)((CONFIG|FDISK|USING|CROSS|EXTRA|PREFIX|FEATURE|HAVE|BUSYBOX)[\w_]*)/$1BUSYBOX_$2/g;
+		
+		if ($cur) {
+			($cur !~ /^CONFIG/ or $cur eq 'CONFIG_LFS') and do {
+				$line =~ s/^(\s*(bool|tristate|string))\s*".+"$/$1/;
+			};
+			if ($line =~ /^\s*default/) {
+				my $c;
+				$default_set = 1;
+				$c = $config{$cur} or $c = 'n';
+
+				$line =~ s/^(\s*default\s*)(\w+|"[^"]*")(.*)/$1$c$3/;
+			}
+		}
+		
+		print OUTPUT $line;
+	}
+	close OUTPUT;
+	close INPUT;
+	
+}
+close FIND;