properly support dependencies on packages that just use Build/DefaultTargets
[openwrt.org/openwrt.git] / scripts / metadata.pl
blob:a/scripts/metadata.pl -> blob:b/scripts/metadata.pl
--- a/scripts/metadata.pl
+++ b/scripts/metadata.pl
@@ -137,6 +137,53 @@
 	return %category;
 }
 
+sub gen_kconfig_overrides() {
+	my %config;
+	my %kconfig;
+	my $package;
+	my $pkginfo = shift @ARGV;
+	my $cfgfile = shift @ARGV;
+
+	# parameter 2: build system config
+	open FILE, "<$cfgfile" or return;
+	while (<FILE>) {
+		/^(CONFIG_.+?)=(.+)$/ and $config{$1} = 1;
+	}
+	close FILE;
+
+	# parameter 1: package metadata
+	open FILE, "<$pkginfo" or return;
+	while (<FILE>) {
+		/^Package:\s*(.+?)\s*$/ and $package = $1;
+		/^Kernel-Config:\s*(.+?)\s*$/ and do {
+			my @config = split /\s+/, $1;
+			foreach my $config (@config) {
+				my $val = 'm';
+				my $override;
+				if ($config =~ /^(.+?)=(.+)$/) {
+					$config = $1;
+					$override = 1;
+					$val = $2;
+				}
+				if ($config{"CONFIG_PACKAGE_$package"} and ($config ne 'n')) {
+					$kconfig{$config} = $val;
+				} elsif (!$override) {
+					$kconfig{$config} or $kconfig{$config} = 'n';
+				}
+			}
+		};
+	};
+	close FILE;
+
+	foreach my $kconfig (sort keys %kconfig) {
+		if ($kconfig{$kconfig} eq 'n') {
+			print "# $kconfig is not set\n";
+		} else {
+			print "$kconfig=$kconfig{$kconfig}\n";
+		}
+	}
+}
+
 sub merge_package_lists($$) {
 	my $list1 = shift;
 	my $list2 = shift;
@@ -200,12 +247,11 @@
 		/broken/ and $ret .= "\tdepends BROKEN\n";
 		/pci/ and $ret .= "\tselect PCI_SUPPORT\n";
 		/usb/ and $ret .= "\tselect USB_SUPPORT\n";
-		/atm/ and $ret .= "\tselect ATM_SUPPORT\n";
 		/pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
-		/video/ and $ret .= "\tselect VIDEO_SUPPORT\n";
 		/squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
 		/jffs2/ and $ret .= "\tselect USES_JFFS2\n";
 		/ext2/ and $ret .= "\tselect USES_EXT2\n";
+		/tgz/ and $ret .= "\tselect USES_TGZ\n";
 	}
 	return $ret;
 }
@@ -510,7 +556,7 @@
 		}
 		if ($config) {
 			print "package-$config += $pkg->{subdir}$pkg->{src}\n";
-			$pkg->{prereq} and print "prereq-$config += $pkg->{src}\n";
+			$pkg->{prereq} and print "prereq-$config += $pkg->{subdir}$pkg->{src}\n";
 		}
 	
 		my $hasdeps = 0;
@@ -530,12 +576,12 @@
 			undef $idx if $idx =~ /^(kernel)|(base-files)$/;
 			if ($idx) {
 				next if $dep{$pkg->{src}."->".$idx};
-				$depline .= " $idx\-compile";
+				$depline .= " \$(curdir)/$idx/compile";
 				$dep{$pkg->{src}."->".$idx} = 1;
 			}
 		}
 		if ($depline) {
-			$line .= $pkg->{subdir}."$pkg->{src}-compile: $depline\n";
+			$line .= "\$(curdir)/".$pkg->{subdir}."$pkg->{src}/compile := $depline\n";
 		}
 	}
 	
@@ -558,7 +604,7 @@
 	) > \$@
 	
 ifneq (\$(UCI_PRECONFIG)\$(CONFIG_UCI_PRECONFIG),)
-  preconfig: \$(TARGET_DIR)/etc/uci-defaults/$preconfig
+  package/preconfig: \$(TARGET_DIR)/etc/uci-defaults/$preconfig
 endif
 EOF
 	}
@@ -572,13 +618,16 @@
 		/^target_config$/ and return gen_target_config();
 		/^package_mk$/ and return gen_package_mk();
 		/^package_config$/ and return gen_package_config();
+		/^kconfig/ and return gen_kconfig_overrides();
 	}
 	print <<EOF
 Available Commands:
 	$0 target_mk [file] 		Target metadata in makefile format
 	$0 target_config [file] 	Target metadata in Kconfig format
-	$0 package_mk [file] 		Package metadata in makefile format
+	$0 package_mk [file]    	Package metadata in makefile format
 	$0 package_config [file] 	Package metadata in Kconfig format
+	$0 kconfig [file] [config]	Kernel config overrides
+
 EOF
 }
 

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