move .qmake.cache search to Option

this is a one-time operation which depends only on the invocation, so
this new home is much more appropriate.

Change-Id: I11ef30a8227afed06e58e64e65809dba25e81567
Reviewed-by: Joerg Bornemann <joerg.bornemann@nokia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/qmake/option.h b/qmake/option.h
index ee8a1c2403..b8a3b561fa 100644
--- a/qmake/option.h
+++ b/qmake/option.h
@@ -108,6 +108,7 @@ struct Option
     //both of these must be called..
     static int init(int argc=0, char **argv=0); //parse cmdline
     static void applyHostMode();
+    static bool prepareProject();
     static bool postProcessProject(QMakeProject *);
 
     enum StringFixFlags {
@@ -201,6 +202,7 @@ struct Option
         static bool do_dep_heuristics;
         static bool do_preprocess;
         static bool do_stub_makefile;
+        static QString project_build_root;
         static QString cachefile;
         static int cachefile_depth;
         static QStringList project_files;