Not on pypy 7.2

src/gevent/libuv/_corecffi_source.c

@@ -131,6 +131,14 @@ static void gevent_zero_loop(uv_loop_t* handle)
     memset(handle, 0, sizeof(uv_loop_t));
 }
 
+#if defined(PYPY_VERSION_NUM) && PYPY_VERSION_NUM <= 0x07020000
+/* Pypy 7.2 and below don't have the needed APIs.
+   See
+   https://ci.appveyor.com/project/denik/gevent/builds/30029974/job/oqf8pjpm7r28hcy2
+*/
+static void gevent_set_uv_alloc() {}
+#else
+
 #include "_ffi/alloc.c"
 
 static void* _gevent_uv_malloc(size_t size)
@@ -167,6 +175,7 @@ static void gevent_set_uv_alloc()
 			 _gevent_uv_calloc,
 			 _gevent_uv_free);
 }
+#endif
 
 #ifdef __clang__
 #pragma clang diagnostic pop