diff --git a/CMakeLists.txt b/CMakeLists.txt
index 04e8ad22..1f94daa8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,7 +36,8 @@ option(WITH_STATIC "build with static libraries." ON)
 
 # Run platform tests
 include(${CMAKE_SOURCE_DIR}/cmake/configure.cmake)
-configure_file(${CMAKE_SOURCE_DIR}/cmake/config.h.cmake ${CMAKE_SOURCE_DIR}/src/config.h)
+configure_file(${CMAKE_SOURCE_DIR}/cmake/config.h.cmake ${CMAKE_BINARY_DIR}/src/config.h)
+add_definitions(-I$(CMAKE_BINARY_DIR)/src)
 add_definitions(-DHAVE_CONFIG_H)
 
 # pkg-config
diff --git a/cmake/config.h.cmake b/cmake/config.h.cmake
index 3b7b6ff3..3a627f7c 100644
--- a/cmake/config.h.cmake
+++ b/cmake/config.h.cmake
@@ -53,6 +53,12 @@
 /* Define to 1 if you have the <linux/if.h> header file. */
 #cmakedefine HAVE_LINUX_IF_H 1
 
+/* Define to 1 if you have the <linux/tcp.h> header file. */
+#cmakedefine HAVE_LINUX_TCP_H
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+#cmakedefine HAVE_NETINET_TCP_H
+
 /* Define to 1 if you have the <linux/netfilter_ipv4.h> header file. */
 #cmakedefine HAVE_LINUX_NETFILTER_IPV4_H 1
 
diff --git a/cmake/configure.cmake b/cmake/configure.cmake
index 97fb814a..2a8660e6 100644
--- a/cmake/configure.cmake
+++ b/cmake/configure.cmake
@@ -43,6 +43,8 @@ check_function_exists(memset HAVE_MEMSET)
 
 check_include_files(netdb.h HAVE_NETDB_H)
 check_include_files(netinet/in.h HAVE_NETINET_IN_H)
+check_include_files(netinet/tcp.h HAVE_NETINET_TCP_H)
+check_include_files(linux/tcp.h HAVE_LINUX_TCP_H)
 check_include_files(net/if.h HAVE_NET_IF_H)
 check_include_files(pcre.h HAVE_PCRE_H)
 check_include_files(pcre/pcre.h HAVE_PCRE_PCRE_H)
@@ -87,8 +89,7 @@ set(NDEBUG 1)
 set(PACKAGE ${PROJECT_NAME})
 set(PACKAGE_BUGREPORT max.c.lv@gmail.com)
 set(PACKAGE_NAME ${PROJECT_NAME})
-#set(PACKAGE_VERSION ${PROJECT_VERSION})
-set(PACKAGE_VERSION 3.0.2)
+set(PACKAGE_VERSION ${PROJECT_VERSION})
 set(PACKAGE_STRING "${PROJECT_NAME} ${PACKAGE_VERSION}")
 set(PACKAGE_TARNAME ${PROJECT_NAME})
 set(PACKAGE_URL "")
diff --git a/src/local.c b/src/local.c
index e9ca4f88..5bf12e6e 100644
--- a/src/local.c
+++ b/src/local.c
@@ -38,10 +38,8 @@
 #include <arpa/inet.h>
 #include <netdb.h>
 #include <netinet/in.h>
-#include <pthread.h>
 
 #ifdef LIB_ONLY
-#include <pthread.h>
 #include "shadowsocks.h"
 #endif
 
diff --git a/src/netutils.h b/src/netutils.h
index 80dcb221..aa8386a9 100644
--- a/src/netutils.h
+++ b/src/netutils.h
@@ -25,7 +25,7 @@
 
 #include <sys/socket.h>
 
-#if HAVE_LINUX_TCP_H
+#ifdef HAVE_LINUX_TCP_H
 #include <linux/tcp.h>
 #elif defined(HAVE_NETINET_TCP_H)
 #include <netinet/tcp.h>