X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fpackage.cpp;h=c905ee464e7041de6372cbcca0f7e7142e20ef35;hb=1968c546cfb30214e8dc5afc722bec14aa8373f5;hp=20fec32acfb84d64665ff2c05372482761de3eb2;hpb=c679a9dd1a97ae3b1ffa568143d42d02c2ca9e74;p=builder.git

diff --git a/source/package.cpp b/source/package.cpp
index 20fec32..c905ee4 100644
--- a/source/package.cpp
+++ b/source/package.cpp
@@ -26,6 +26,26 @@ Package::Package(Builder &b, const string &n):
 	use_pkgconfig(true)
 { }
 
+/**
+Collects all directly and indirectly required packages, including the package
+itself.
+*/
+PackageList Package::collect_requires()
+{
+	PackageList result;
+	result.push_back(this);
+	for(PackageList::const_iterator i=requires.begin(); i!=requires.end(); ++i)
+	{
+		PackageList r=(*i)->collect_requires();
+		result.splice(result.end(), r);
+	}
+
+	result.sort();
+	result.unique();
+
+	return result;
+}
+
 /**
 Processes configuration options that were most likely obtained from the command
 line.