Adjust build signatures to contain the tool tag

[builder.git] / source / tool.h

diff --git a/source/tool.h b/source/tool.h
index fa18ba8dca338d57c5e37c2c8fe42269f61ef1b1..c49b4c473257b0ff06f8e2e07cca2a4fbc444b54 100644 (file)
--- a/source/tool.h
+++ b/source/tool.h
@@ -106,7 +106,7 @@ public:
        null if the tool does not want to handle installing in a special way. */
        virtual Target *create_install(Target &) const { return 0; }
 
-       virtual std::string create_build_signature(const BuildInfo &) const { return std::string(); }
+       virtual std::string create_build_signature(const BuildInfo &) const;
 
        void prepare();