nbd's makefile/menuconfig rewrite

[openwrt/svn-archive/archive.git] / openwrt / scripts / gen_busybox_menuconfig.pl

diff --git a/openwrt/scripts/gen_busybox_menuconfig.pl b/openwrt/scripts/gen_busybox_menuconfig.pl
new file mode 100644 (file)
index 0000000..6ce323b
--- /dev/null
+++ b/openwrt/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;