empty sha test && common fix on mac

cmake/EthDependencies.cmake

@@ -5,7 +5,7 @@
 # this must be set to point to the same directory as $ETH_DEPENDENCY_INSTALL_DIR in /extdep directory
 string(TOLOWER ${CMAKE_SYSTEM_NAME} _system_name)
 set (CMAKE_DEPENDENCY_INSTALL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/extdep/install/${_system_name}")
-set (CMAKE_PREFIX_PATH ${CMAKE_DEPENDENCY_INSTALL_DIR} ";/usr")
+set (CMAKE_PREFIX_PATH ${CMAKE_DEPENDENCY_INSTALL_DIR})
 
 # Qt5 requires opengl
 # TODO use proper version of windows SDK (32 vs 64)

test/genesis.cpp

@@ -36,6 +36,15 @@ namespace js = json_spirit;
 
 BOOST_AUTO_TEST_SUITE(BasicTests)
 
+BOOST_AUTO_TEST_CASE(emptySHA3Types)
+{
+	h256 emptyListSHA3(fromHex("1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"));
+	BOOST_REQUIRE_EQUAL(emptyListSHA3, EmptyListSHA3);
+	
+	h256 emptySHA3(fromHex("c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"));
+	BOOST_REQUIRE_EQUAL(emptySHA3, EmptySHA3);
+}
+
 BOOST_AUTO_TEST_CASE(genesis_tests)
 {
 	string testPath = test::getTestPath();