X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fpbd%2Fsearch_path.cc;h=1d931a546d93b9b83d2bf858bc964cf2523746a4;hb=ea32eecf3d2fa22c87350a3b198f8c13707627c6;hp=44438cc85c9faf78594d57497ecfaf31bc97b65b;hpb=ad017365f7a73f8ba57f667cc1aa36478b48c50e;p=ardour.git

diff --git a/libs/pbd/search_path.cc b/libs/pbd/search_path.cc
index 44438cc85c..1d931a546d 100644
--- a/libs/pbd/search_path.cc
+++ b/libs/pbd/search_path.cc
@@ -124,19 +124,16 @@ Searchpath::operator+= (const std::string& directory_path)
 	return *this;
 }
 
-Searchpath&
+const Searchpath
 Searchpath::operator+ (const std::string& directory_path)
 {
-	add_directory (directory_path);
-	return *this;
+	return Searchpath (*this) += directory_path;
 }
 
-Searchpath&
+const Searchpath
 Searchpath::operator+ (const Searchpath& spath)
 {
-	// concatenate paths into new Searchpath
-	insert(end(), spath.begin(), spath.end());
-	return *this;
+	return Searchpath (*this) += spath;
 }
 
 Searchpath&