ANYARG patch

diff --git a/src/pari.cc b/src/pari.cc
index 76ce8e1..50d08ab 100644
--- a/src/pari.cc
+++ b/src/pari.cc
@@ -40,6 +40,13 @@ using namespace std;
 
 #ifdef HAVE_LIBPARI
 
+// Anyarg disappeared from PARI 2.15.0
+#ifdef __cplusplus
+#  define ANYARG ...
+#else
+#  define ANYARG
+#endif
+
 #ifdef HAVE_PTHREAD_H
 #include <pthread.h>
 #endif