Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.

[gcc.git] / gcc / flags.h

diff --git a/gcc/flags.h b/gcc/flags.h
index 98396f040915ea990ff0428c36c8f248f0784e21..07e5ec358b8464e9c9fd8b9c08ca43c6d880614d 100644 (file)
--- a/gcc/flags.h
+++ b/gcc/flags.h
@@ -122,6 +122,15 @@ extern bool extra_warnings;
 
 extern void set_Wunused (int setting);
 
+/* Used to set the level of -Wstrict-aliasing, when no level is specified.  
+   The external way to set the default level is to use
+   -Wstrict-aliasing=level.  
+   ONOFF is assumed to take value 1 when -Wstrict-aliasing is specified,
+   and 0 otherwise.  After calling this function, wstrict_aliasing will be
+   set to the default value of -Wstrict_aliasing=level.  */
+
+extern void set_Wstrict_aliasing (int onoff);
+
 /* Nonzero means warn about any objects definitions whose size is larger
    than N bytes.  Also want about function definitions whose returned
    values are larger than N bytes. The value N is in `larger_than_size'.  */