CHECK_TYPE_SIZE_PREINCLUDE is an internal, undocumented variable which
was removed in cmake 2.8.1. According to the MSDN docs[1], inclusion
of winsock2.h is sufficient. WIN32_LEAN_AND_MEAN does not really seem
to affect the tests, so remove it too[2].

For the non-windows case, remove inet headers as POSIX only requires
sys/socket.h.

 [1]: http://msdn.microsoft.com/en-us/library/windows/desktop/ms740504%28v=vs.85%29.aspx
 [2]: http://stackoverflow.com/questions/11040133/what-does-defining-win32-lean-and-mean-exclude-exactly

Signed-off-by: Peter Wu <peter_at_lekensteyn.nl>

---
 CMake/OtherTests.cmake | 28 +++++-----------------------
 1 file changed, 5 insertions(+), 23 deletions(-)
diff --git a/CMake/OtherTests.cmake b/CMake/OtherTests.cmake
index 6dec37f..4f07f22 100644
--- a/CMake/OtherTests.cmake
+++ b/CMake/OtherTests.cmake
@@ -213,32 +213,14 @@ if(HAVE_SIZEOF_SIG_ATOMIC_T)
   endif(NOT HAVE_SIG_ATOMIC_T_NOT_VOLATILE)
 endif(HAVE_SIZEOF_SIG_ATOMIC_T)
 
-set(CHECK_TYPE_SIZE_PREINCLUDE
-  "#undef inline")
-
 if(HAVE_WINDOWS_H)
-  set(CHECK_TYPE_SIZE_PREINCLUDE "${CHECK_TYPE_SIZE_PREINCLUDE}
-  #ifndef WIN32_LEAN_AND_MEAN
-  #define WIN32_LEAN_AND_MEAN
-  #endif
-  #include <windows.h>")
-  if(HAVE_WINSOCK2_H)
-    set(CHECK_TYPE_SIZE_PREINCLUDE "${CHECK_TYPE_SIZE_PREINCLUDE}\n#include <winsock2.h>")
-  endif(HAVE_WINSOCK2_H)
-else(HAVE_WINDOWS_H)
+  set(CMAKE_EXTRA_INCLUDE_FILES winsock2.h)
+else()
+  set(CMAKE_EXTRA_INCLUDE_FILES)
   if(HAVE_SYS_SOCKET_H)
-    set(CMAKE_EXTRA_INCLUDE_FILES ${CMAKE_EXTRA_INCLUDE_FILES}
-      "sys/socket.h")
+    set(CMAKE_EXTRA_INCLUDE_FILES sys/socket.h)
   endif(HAVE_SYS_SOCKET_H)
-  if(HAVE_NETINET_IN_H)
-    set(CMAKE_EXTRA_INCLUDE_FILES ${CMAKE_EXTRA_INCLUDE_FILES}
-      "netinet/in.h")
-  endif(HAVE_NETINET_IN_H)
-  if(HAVE_ARPA_INET_H)
-    set(CMAKE_EXTRA_INCLUDE_FILES ${CMAKE_EXTRA_INCLUDE_FILES}
-      "arpa/inet.h")
-  endif(HAVE_ARPA_INET_H)
-endif(HAVE_WINDOWS_H)
+endif()
 
 check_type_size("struct sockaddr_storage" SIZEOF_STRUCT_SOCKADDR_STORAGE)
 if(HAVE_SIZEOF_STRUCT_SOCKADDR_STORAGE)
-- 
2.1.2
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