BUG: add cmake test for socklen_t

CMake/vtkTestSocklenT.c

+#include <stdio.h>
+#include <stdlib.h>
+#if !defined(_WIN32) || defined(__CYGWIN__)
+#include <sys/types.h>
+#include <sys/socket.h>
+#endif
+
+int
+main ()
+{
+if ((socklen_t *) 0)
+  return 0;
+if (sizeof (socklen_t))
+  return 0;
+  ;
+  return 0;
+}

Parallel/CMakeLists.txt

@@ -14,7 +14,25 @@ IF (WIN32)
   ENDIF (NOT BORLAND)
 ENDIF (WIN32)
 
-
+IF("VTK_HAVE_SOCKLEN_T" MATCHES "^VTK_HAVE_SOCKLEN_T$")
+  MESSAGE(STATUS "Checking support for socklen_t type")
+  TRY_COMPILE(VTK_HAVE_SOCKLEN_T
+    ${VTK_BINARY_DIR}/CMakeTmp/SocklenT
+    ${VTK_SOURCE_DIR}/CMake/vtkTestSocklenT.c
+    OUTPUT_VARIABLE OUTPUT)
+  IF(VTK_HAVE_SOCKLEN_T)
+    MESSAGE(STATUS "Checking support for socklen_t type -- yes")
+    SET(VTK_HAVE_SOCKLEN_T 1 CACHE INTERNAL "Support for socklen_t type")
+  ELSE(VTK_HAVE_SOCKLEN_T)
+    MESSAGE(STATUS "Checking support for socklen_t type -- no")
+    SET(VTK_HAVE_SOCKLEN_T 0 CACHE INTERNAL "Support for socklen_t type")
+    WRITE_FILE(${CMAKE_BINARY_DIR}/CMakeError.log
+      "Determining if the compiler supports socklen_t type  "
+      "failed with the following output:\n"
+      "${OUTPUT}\n" APPEND)
+  ENDIF(VTK_HAVE_SOCKLEN_T)
+ENDIF("VTK_HAVE_SOCKLEN_T" MATCHES "^VTK_HAVE_SOCKLEN_T$")
+  
 SET ( Kit_SRCS
 vtkDuplicatePolyData.cxx
 vtkBranchExtentTranslator.cxx

Parallel/vtkSocketCommunicator.cxx

@@ -36,7 +36,7 @@
 #define vtkCloseSocketMacro(sock) (close(sock))
 #endif
 
-vtkCxxRevisionMacro(vtkSocketCommunicator, "1.49");
+vtkCxxRevisionMacro(vtkSocketCommunicator, "1.50");
 vtkStandardNewMacro(vtkSocketCommunicator);
 
 //----------------------------------------------------------------------------
@@ -274,10 +274,10 @@ int vtkSocketCommunicator::GetPort(int sock)
 {
   struct sockaddr_in sockinfo;
   memset(&sockinfo, 0, sizeof(sockinfo));
-#if defined(_WIN32) &&  !defined(__CYGWIN__)
-  int sizebuf = sizeof(sockinfo);
-#else
+#if defined(VTK_HAVE_SOCKLEN_T) 
   socklen_t sizebuf = sizeof(sockinfo);
+#else
+  int sizebuf = sizeof(sockinfo);
 #endif
   if(getsockname(sock, (sockaddr*)&sockinfo, &sizebuf) != 0)
     {
@@ -548,7 +548,7 @@ int vtkSocketCommunicator::ReceiveTagged(void* data, int wordSize,
     if(!this->ReceiveInternal(this->Socket, &recvTag,
         static_cast<int>(sizeof(int))))
       {
-      vtkErrorMacro("Could not receive tag.");
+      vtkErrorMacro("Could not receive tag. " << tag);
       return 0;
       }
     if(this->SwapBytesInReceivedData)

vtkConfigure.h.in

@@ -53,7 +53,7 @@
 #cmakedefine VTK_ISTREAM_SUPPORTS_LONG_LONG
 #cmakedefine VTK_OSTREAM_SUPPORTS_LONG_LONG
 #define VTK_STREAM_EOF_SEVERITY @VTK_STREAM_EOF_SEVERITY@
-
+#cmakedefine VTK_HAVE_SOCKLEN_T
 /*--------------------------------------------------------------------------*/
 /* VTK Platform Configuration                                               */