Allow libcalls to be installed for legacy __sync optabs.

[pf3gnuchains/gcc-fork.git] / gcc / prefix.h

diff --git a/gcc/prefix.h b/gcc/prefix.h
index c6d9ae5..5bafe20 100644 (file)
--- a/gcc/prefix.h
+++ b/gcc/prefix.h
@@ -21,10 +21,20 @@ License along with GCC; see the file COPYING3.  If not see
 #ifndef GCC_PREFIX_H
 #define GCC_PREFIX_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* These functions are called by the Ada frontend with C convention.  */
+
 /* Update PATH using KEY if PATH starts with PREFIX.  The returned
    string is always malloc-ed, and the caller is responsible for
    freeing it.  */
 extern char *update_path (const char *path, const char *key);
 extern void set_std_prefix (const char *, int);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* ! GCC_PREFIX_H */