* c-pragma.c (handle_pragma_token): Generate warning messages

        about unknown pragmas if warn_unknown_pragmas is set.
        * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
        line option to set variable: warn_unknown_pragmas.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@17168 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 8 insertions, 0 deletions

diff --git a/gcc/flags.h b/gcc/flags.h
index ba057204ded..43c88c94e18 100644
--- a/gcc/flags.h
+++ b/gcc/flags.h
@@ -83,6 +83,14 @@ extern int warn_inline;
 
 extern int warn_uninitialized;
 
+/* Zero if unknown pragmas are ignored
+   One if the compiler should warn about an unknown pragma not in
+   a system include file.
+   Greater than one if the compiler should warn for all unknown
+   pragmas.  */
+
+extern int warn_unknown_pragmas;
+
 /* Nonzero means warn about all declarations which shadow others.   */
 
 extern int warn_shadow;