Add support for negative conditional dependencies.

Also add the condition of conditional dependencies to dependencies which are
inherited form the conditional dependency.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13319 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/scripts/metadata.pl b/scripts/metadata.pl
index 32370d5..cfda693 100755 (executable)
--- a/scripts/metadata.pl
+++ b/scripts/metadata.pl
@@ -374,6 +374,7 @@ sub mconf_depends($$) {
        my $res;
        my $dep = shift;
        my $seen = shift;
+       my $condition = shift;
        $dep or $dep = {};
        $seen or $seen = {};
 
@@ -383,11 +384,10 @@ sub mconf_depends($$) {
                my $m = "depends";
                $depend =~ s/^([@\+]+)//;
                my $flags = $1;
-               my $condition;
                my $vdep;
 
                if ($depend =~ /^(.+):(.+)$/) {
-                       $condition = $1;
+                       $condition and $condition = "$condition && $1" or $condition = $1;
                        $depend = $2;
                }
                next if $seen->{$depend};
@@ -400,13 +400,13 @@ sub mconf_depends($$) {
                                # thus if FOO depends on other config options, these dependencies
                                # will not be checked. To fix this, we simply emit all of FOO's
                                # depends here as well.
-                               $package{$depend} and mconf_depends($package{$depend}->{depends}, 1, $dep, $seen);
+                               $package{$depend} and mconf_depends($package{$depend}->{depends}, 1, $dep, $seen, $condition);
 
                                $m = "select";
                                next if $only_dep;
                        };
                        $flags =~ /@/ or $depend = "PACKAGE_$depend";
-                       $condition and $depend = "$depend if $condition";
+                       $condition and ($m =~ /select/ and $depend = "$depend if $condition" or $depend = "!($condition) || $depend");
                }
                $dep->{$depend} =~ /select/ or $dep->{$depend} = $m;
        }
@@ -588,7 +588,11 @@ sub gen_package_mk() {
                                                $dep{$pkg->{src}."->".$idx} = 1;
                                        }
                                        if ($condition) {
-                                               $depline .= " \$(if \$(CONFIG_$condition),$depstr)";
+                                               if ($condition =~ /^!(.+)/) {
+                                                       $depline .= " \$(if \$(CONFIG_$1),,$depstr)";
+                                               } else {
+                                                       $depline .= " \$(if \$(CONFIG_$condition),$depstr)";
+                                               }
                                        } else {
                                                $depline .= " $depstr";
                                        }
@@ -637,7 +641,7 @@ sub parse_command() {
        print <<EOF
 Available Commands:
        $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