Fix logic issues with Tool::prepare

[builder.git] / source / tool.cpp

diff --git a/source/tool.cpp b/source/tool.cpp
index cd002379ccc110c3cc13569563695077bea48b79..82349e18eea50b747d8870ffb3f3113980dc7216 100644 (file)
--- a/source/tool.cpp
+++ b/source/tool.cpp
@@ -43,9 +43,10 @@ void Tool::prepare()
                return;
 
        prepared = true;
+
        if(!command.empty())
                executable = builder.get_vfs().find_binary(command);
-       do_prepare();
+       prepare(*this);
        if(!command.empty() && !executable)
        {
                builder.get_logger().log("problems", "Can't find executable %s for %s", command, tag);
@@ -53,6 +54,14 @@ void Tool::prepare()
        }
 }
 
+void Tool::prepare(Tool &tool) const
+{
+       if(&tool!=this && tool.get_base_tool()!=this)
+               throw invalid_argument("Tool::prepare");
+
+       do_prepare(tool);
+}
+
 string Tool::create_build_signature(const BuildInfo &) const
 {
        if(executable)