Poke-and-hope attempt to fix Bugs #115006 and #114324: fix the test

for pthread_t (to calculate its size) to work even if pthread_t is a
struct.

configure

 #! /bin/sh
 
-# From configure.in Revision: 1.161 
+# From configure.in Revision: 1.162 
 
 # Guess values for system-dependent variables and create Makefiles.
 # Generated automatically using autoconf version 2.13 
@@ -769,7 +769,7 @@ else
 fi
 
 echo "$ac_t""$with_cxx" 1>&6
-SET_CXX="CXX = $CXX"
+SET_CXX="CXX=$CXX"
 
 #AC_MSG_CHECKING(CCC)
 #if test -z "$CCC"
@@ -2522,7 +2522,7 @@ cat > conftest.$ac_ext <<EOF
 #include "confdefs.h"
 #include <pthread.h>
 int main() {
-pthread_t x; x = (pthread_t)0;
+pthread_t x; x = *(pthread_t)*0;
 ; return 0; }
 EOF
 if { (eval echo configure:2529: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then

configure.in

@@ -170,7 +170,7 @@ AC_ARG_WITH(cxx, [  --with-cxx=<compiler>           enable C++ support],[
 	with_cxx=no
 ])
 AC_MSG_RESULT($with_cxx)
-SET_CXX="CXX = $CXX"
+SET_CXX="CXX=$CXX"
 
 #AC_MSG_CHECKING(CCC)
 #if test -z "$CCC"
@@ -477,7 +477,7 @@ AC_DEFINE_UNQUOTED(SIZEOF_TIME_T, $ac_cv_sizeof_time_t)
 # if have pthread_t then define SIZEOF_PTHREAD_T
 AC_MSG_CHECKING(for pthread_t)
 have_pthread_t=no
-AC_TRY_COMPILE([#include <pthread.h>], [pthread_t x; x = (pthread_t)0;], have_pthread_t=yes)
+AC_TRY_COMPILE([#include <pthread.h>], [pthread_t x; x = *(pthread_t)*0;], have_pthread_t=yes)
 AC_MSG_RESULT($have_pthread_t)
 if test "$have_pthread_t" = yes ; then
   # AC_CHECK_SIZEOF() doesn't include <pthread.h>.