PR11075: -W option to turn warnings into errors

* session.h
* NEWS: Discuss it.
* main.cxx: Parse it.
* session.h (num_errors): Provide it.
* semok/fortyeight.stp, semok/thirtyseven.stp: Test it.

1 files changed, 2 insertions, 1 deletions

diff --git a/session.h b/session.h
index d43b1f21..18d811e7 100644
--- a/session.h
+++ b/session.h
@@ -110,6 +110,7 @@ struct systemtap_session
   bool bulk_mode;
   bool unoptimized;
   bool suppress_warnings;
+  bool panic_warnings;
   int buffer_size;
   unsigned perfmon;
   bool symtab; /* true: emit symbol table at translation time; false: let staprun do it. */
@@ -214,7 +215,7 @@ struct systemtap_session
 
   std::set<std::string> seen_errors;
   std::set<std::string> seen_warnings;
-  unsigned num_errors () { return seen_errors.size(); }
+  unsigned num_errors () { return seen_errors.size() + (panic_warnings ? seen_warnings.size() : 0); }
 
   std::set<std::string> rpms_to_install;