Merge litecoin-project#433: Make the libcrypto detection fail the new…

…er API. 12de863 Make the libcrypto detection fail the newer API. (Gregory Maxwell)
thrasher- · Dec 12, 2016 · 8225239 · 8225239
2 parents 2928420 + 12de863
commit 8225239
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/build-aux/m4/bitcoin_secp.m4 b/build-aux/m4/bitcoin_secp.m4
@@ -46,6 +46,10 @@ if test x"$has_libcrypto" = x"yes" && test x"$has_openssl_ec" = x; then
     ECDSA_sign(0, NULL, 0, NULL, NULL, eckey);
     ECDSA_verify(0, NULL, 0, NULL, 0, eckey);
     EC_KEY_free(eckey);
+    ECDSA_SIG *sig_openssl;
+    sig_openssl = ECDSA_SIG_new();
+    (void)sig_openssl->r;
+    ECDSA_SIG_free(sig_openssl);
   ]])],[has_openssl_ec=yes],[has_openssl_ec=no])
   AC_MSG_RESULT([$has_openssl_ec])
 fi