diff --git a/CMakeLists.txt b/CMakeLists.txt
index 34301de..7dcba29 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,29 +6,33 @@ aux_source_directory(./src socket_src)
 list(REMOVE_ITEM socket_src ./src/mime.c)
 if(WIN32)
 	list(REMOVE_ITEM socket_src ./src/serial.c ./src/unix.c ./src/usocket.c)
+	add_definitions(-D_WIN32_WINNT=0x0501)
 	add_definitions("-DLUASOCKET_API=__declspec(dllexport)")
 	add_definitions("-DMIME_API=__declspec(dllexport)")
+	set(POSTN dll)
 else()
 	add_definitions("-DLUASOCKET_API=__attribute__((visibility(default)))")
 	add_definitions("-DMIME_API=__attribute__((visibility(default)))")
+	set(POSTN so)
 endif(WIN32)
 if(MINGW)
 	add_definitions(-DLUASOCKET_INET_PTON)
 endif()
 
 INCLUDE_DIRECTORIES(${LUAINC})
-add_definitions(-D_WIN32_WINNT=0x0501)
+
 add_definitions(-DLUASOCKET_DEBUG)
 add_definitions(-DLUA_BUILD_AS_DLL -DLUA_LIB -DLUASOCKET_EXPORTS)
 
 add_library(socket SHARED ${socket_src})
 ADD_LIBRARY(mime SHARED ./src/mime.c ./src/compat.c)
-set_target_properties(socket PROPERTIES PREFIX "" OUTPUT_NAME core)
-set_target_properties(mime PROPERTIES PREFIX "" OUTPUT_NAME core)
+#set_target_properties(socket PROPERTIES PREFIX "" OUTPUT_NAME core)
+#set_target_properties(mime PROPERTIES PREFIX "" OUTPUT_NAME core)
 TARGET_LINK_LIBRARIES(socket ${LUALIB} wsock32 ws2_32)
-TARGET_LINK_LIBRARIES(mime ${LUALIB})
+TARGET_LINK_LIBRARIES(mime ${LUALIB}) 
 
 ######install
+#set default LDIR and CDIR if not given
 if( NOT CDIR)
 	set(CDIR ${CMAKE_BINARY_DIR}/install/cdir)
 endif()
@@ -36,9 +40,11 @@ if( NOT LDIR)
 	set(LDIR ${CMAKE_BINARY_DIR}/install/ldir)
 endif()
 
-
-INSTALL(TARGETS socket RUNTIME DESTINATION ${CDIR}/socket)
-INSTALL(TARGETS mime RUNTIME DESTINATION ${CDIR}/mime)
+##cant use set_target_properties to rename because one overwrites the other so:
+INSTALL(FILES ${CMAKE_BINARY_DIR}/libsocket.${POSTN} DESTINATION ${CDIR}/socket RENAME core.${POSTN})
+INSTALL(FILES ${CMAKE_BINARY_DIR}/libmime.${POSTN} DESTINATION ${CDIR}/mime RENAME core.${POSTN})  
+#INSTALL(TARGETS socket RUNTIME DESTINATION ${CDIR}/socket)
+#INSTALL(TARGETS mime RUNTIME DESTINATION ${CDIR}/mime)
 install(DIRECTORY src/ DESTINATION ${LDIR}/socket
         FILES_MATCHING PATTERN "*.lua"
 		PATTERN ltn12.lua EXCLUDE