coarray_43.f90: Add "-latomic" option if libatomic_available.

[gcc.git] / libobjc / class.c

diff --git a/libobjc/class.c b/libobjc/class.c
index edc56aa9ec4d2679e7b8f8e53f6b67bd7785e797..53fb5fe8efb58edbd9d8384fb426ed39616d829a 100644 (file)
--- a/libobjc/class.c
+++ b/libobjc/class.c
@@ -1,6 +1,5 @@
 /* GNU Objective C Runtime class related functions
-   Copyright (C) 1993, 1995, 1996, 1997, 2001, 2002, 2009, 2010
-     Free Software Foundation, Inc.
+   Copyright (C) 1993-2017 Free Software Foundation, Inc.
    Contributed by Kresten Krab Thorup and Dennis Glatting.
 
    Lock-free class table code designed and written from scratch by
@@ -764,6 +763,15 @@ objc_get_meta_class (const char *name)
   return objc_get_class (name)->class_pointer;
 }
 
+/* This is not used by GCC, but the clang compiler seems to use it
+   when targeting the GNU runtime.  That's wrong, but we have it to
+   be compatible.  */
+Class
+objc_lookup_class (const char *name)
+{
+  return objc_getClass (name);
+}
+
 /* This is used when the implementation of a method changes.  It goes
    through all classes, looking for the ones that have these methods
    (either method_a or method_b; method_b can be NULL), and reloads