Disable libsecp256k1-specific tests for windows compile.

test/libdevcrypto/crypto.cpp

@@ -22,7 +22,9 @@
  */
 
 #include <random>
+#if ETH_HAVE_SECP256K1
 #include <secp256k1/secp256k1.h>
+#endif
 #include <libdevcore/Common.h>
 #include <libdevcore/RLP.h>
 #include <libdevcore/Log.h>
@@ -64,6 +66,7 @@ BOOST_AUTO_TEST_CASE(emptySHA3Types)
 	BOOST_REQUIRE_EQUAL(emptyListSHA3, EmptyListSHA3);
 }
 
+#if ETH_HAVE_SECP256K1
 BOOST_AUTO_TEST_CASE(secp256k1lib)
 {
 	secp256k1Init();
@@ -73,6 +76,7 @@ BOOST_AUTO_TEST_CASE(secp256k1lib)
 	Public test = toPublic(k.sec());
 	BOOST_REQUIRE(k.pub() == test);
 }
+#endif
 
 BOOST_AUTO_TEST_CASE(cryptopp_patch)
 {
@@ -111,7 +115,9 @@ BOOST_AUTO_TEST_CASE(common_encrypt_decrypt)
 
 BOOST_AUTO_TEST_CASE(cryptopp_cryptopp_secp256k1libport)
 {
+#if ETH_HAVE_SECP256K1
 	secp256k1_start();
+#endif
 	
 	// base secret
 	Secret secret(sha3("privacy"));
@@ -160,7 +166,9 @@ BOOST_AUTO_TEST_CASE(cryptopp_cryptopp_secp256k1libport)
 		byte dersig[72];
 		size_t cssz = DSAConvertSignatureFormat(dersig, 72, DSA_DER, sig.data(), 64, DSA_P1363);
 		BOOST_CHECK(cssz <= 72);
+#if ETH_HAVE_SECP256K1
 		BOOST_REQUIRE(1 == secp256k1_ecdsa_verify(he.data(), sizeof(he), dersig, cssz, encpub, 65));
+#endif
 	}
 }
 
@@ -759,7 +767,6 @@ BOOST_AUTO_TEST_CASE(cryptopp_aes128_cbc)
 BOOST_AUTO_TEST_CASE(eth_keypairs)
 {
 	cnote << "Testing Crypto...";
-	secp256k1_start();
 
 	KeyPair p(Secret(fromHex("3ecb44df2159c26e0f995712d4f39b6f6e499b40749b1cf1246c37f9516cb6a4")));
 	BOOST_REQUIRE(p.pub() == Public(fromHex("97466f2b32bc3bb76d4741ae51cd1d8578b48d3f1e68da206d47321aec267ce78549b514e4453d74ef11b0cd5e4e4c364effddac8b51bcfc8de80682f952896f")));
@@ -783,7 +790,6 @@ BOOST_AUTO_TEST_CASE(eth_keypairs)
 int cryptoTest()
 {
 	cnote << "Testing Crypto...";
-	secp256k1_start();
 
 	KeyPair p(Secret(fromHex("3ecb44df2159c26e0f995712d4f39b6f6e499b40749b1cf1246c37f9516cb6a4")));
 	BOOST_REQUIRE(p.pub() == Public(fromHex("97466f2b32bc3bb76d4741ae51cd1d8578b48d3f1e68da206d47321aec267ce78549b514e4453d74ef11b0cd5e4e4c364effddac8b51bcfc8de80682f952896f")));