python3: fix build when Blake2 not enabled in OpenSSL

Refs:

- https://github.com/python/cpython/commit/7c20888e71304ecbf4bd3d595f364b7c691d30a0
- https://bugs.python.org/issue38684

Signed-off-by: Yorkie Liu <yorkiefixer@gmail.com>
This commit is contained in:
Yorkie Liu authored and yorkie committed 2019-11-21 18:18:14 +08:00
1 parent 24667753a2
commit 85eee2d7f8
1 file changed
+1 -1
@@ -5,7 +5,7 @@
#endif
-#ifdef NID_blake2b512
+#ifndef OPENSSL_NO_BLAKE2
+#if defined(NID_blake2b512) && !defined(OPENSSL_NO_BLAKE2)
#define PY_OPENSSL_HAS_BLAKE2 1
#endif