diff --git a/cmake/EthCompilerSettings.cmake b/cmake/EthCompilerSettings.cmake
index 69a420333..ba24b62e2 100644
--- a/cmake/EthCompilerSettings.cmake
+++ b/cmake/EthCompilerSettings.cmake
@@ -1,25 +1,32 @@
 # Set necessary compile and link flags
 
-
 # C++11 check and activation
 if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
-	set(CMAKE_CXX_FLAGS "-std=c++11 -Wall -Wno-unknown-pragmas -Wextra -DSHAREDLIB")
+
+	set(CMAKE_CXX_FLAGS "-std=c++11 -Wall -Wno-unknown-pragmas -Wextra -DSHAREDLIB -fPIC")
+	set(ETH_SHARED 1)
 	execute_process(
 		COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
 	if (NOT (GCC_VERSION VERSION_GREATER 4.7 OR GCC_VERSION VERSION_EQUAL 4.7))
 		message(FATAL_ERROR "${PROJECT_NAME} requires g++ 4.7 or greater.")
 	endif ()
+
 elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
-	set(CMAKE_CXX_FLAGS "-std=c++11 -Wall -Wno-unknown-pragmas -Wextra -DSHAREDLIB")
+
+	set(CMAKE_CXX_FLAGS "-std=c++11 -Wall -Wno-unknown-pragmas -Wextra -DSHAREDLIB -fPIC")
+	set(ETH_SHARED 1)
+
 elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
+
+	# specify Exception Handling Model in msvc
 	set(CMAKE_CXX_FLAGS "/EHsc")
+	# windows likes static
 	set(ETH_STATIC 1)
+
 else ()
 	message(FATAL_ERROR "Your C++ compiler does not support C++11. You have ${CMAKE_CXX_COMPILER_ID}")
 endif ()
 
-
-
 # Initialize CXXFLAGS
 # CMAKE_CXX_FLAGS was set before
 set(CMAKE_CXX_FLAGS_DEBUG          "-O0 -g -DETH_DEBUG")
@@ -27,37 +34,3 @@ set(CMAKE_CXX_FLAGS_MINSIZEREL     "-Os -DNDEBUG -DETH_RELEASE")
 set(CMAKE_CXX_FLAGS_RELEASE        "-O4 -DNDEBUG -DETH_RELEASE")
 set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g -DETH_DEBUG")
 
-# Windows 
-#if ("${TARGET_PLATFORM}" STREQUAL "w64")
-#	set(CMAKE_SYSTEM_NAME Windows)
-#
-#	set(CMAKE_CXX_LIBRARY_ARCHITECTURE	x86_64-w64-mingw32)
-#	set(CMAKE_C_COMPILER			x86_64-w64-mingw32-gcc)
-#	set(CMAKE_CXX_COMPILER			x86_64-w64-mingw32-g++)
-#	set(CMAKE_RC_COMPILER			x86_64-w64-mingw32-windres)
-#	set(CMAKE_AR				x86_64-w64-mingw32-ar)
-#	set(CMAKE_RANLIB			x86_64-w64-mingw32-ranlib)
-#
-#	set(CMAKE_EXECUTABLE_SUFFIX		.exe)
-#
-#	set(CMAKE_FIND_ROOT_PATH
-#		/usr/x86_64-w64-mingw32
-#	)
-#
-#	include_directories(/usr/x86_64-w64-mingw32/include/cryptopp)
-#
-#	set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
-#	set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
-#	set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
-#
-#	set(CMAKE_INSTALL_PREFIX	/usr/x86_64-w64-mingw32)
-#	set(ETH_BUILD_PLATFORM "windows")
-#	set(ETH_STATIC 1)
-#else ()
-#	set(ETH_BUILD_PLATFORM ${CMAKE_SYSTEM_NAME})
-#	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
-#	set(ETH_SHARED 1)
-#endif()
-
-
-
diff --git a/libsolidity/CompilerStack.h b/libsolidity/CompilerStack.h
index 6f036d3f3..82d275498 100644
--- a/libsolidity/CompilerStack.h
+++ b/libsolidity/CompilerStack.h
@@ -94,22 +94,6 @@ public:
 	/// scanning the source code - this is useful for printing exception information.
 	static bytes staticCompile(std::string const& _sourceCode, bool _optimize = false);
 
-	/// Compile under msvc results in error CC2280
-	CompilerStack& operator=(const CompilerStack& _other)
-	{
-		m_scanner = _other.m_scanner;
-		m_globalContext = _other.m_globalContext;
-		m_contractASTNode = _other.m_contractASTNode;
-		m_parseSuccessful = _other.m_parseSuccessful;
-		m_interface.reset(_other.m_interface.get());
-		m_userDocumentation.reset(_other.m_userDocumentation.get());
-		m_devDocumentation.reset(_other.m_devDocumentation.get());
-		m_compiler = _other.m_compiler;
-		m_interfaceHandler = _other.m_interfaceHandler;
-		m_bytecode = m_bytecode;
-		return *this;
-	}
-
 private:
 	/**
 	 * Information pertaining to one source unit, filled gradually during parsing and compilation.