diff --git a/config.h.in b/config.h.in
index 633381a6..af0ef7c4 100644
--- a/config.h.in
+++ b/config.h.in
@@ -149,9 +149,6 @@
 /* Define to 1 if you have the <port.h> header file. */
 #undef HAVE_PORT_H
 
-/* Define if you have POSIX threads libraries and header files. */
-#undef HAVE_PTHREAD
-
 /* Have PTHREAD_PRIO_INHERIT. */
 #undef HAVE_PTHREAD_PRIO_INHERIT
 
diff --git a/configure b/configure
index f202a503..0eaa0dd6 100755
--- a/configure
+++ b/configure
@@ -15545,9 +15545,9 @@ test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
 
 # Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
 if test x"$ax_pthread_ok" = xyes; then
-
-$as_echo "#define HAVE_PTHREAD 1" >>confdefs.h
-
+        LIBS="$PTHREAD_LIBS $LIBS"
+            CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+            CC="$PTHREAD_CC"
         :
 else
         ax_pthread_ok=no
diff --git a/configure.ac b/configure.ac
index f65cec5a..87cc9a66 100755
--- a/configure.ac
+++ b/configure.ac
@@ -267,7 +267,9 @@ AC_CHECK_LIB(socket, connect)
 dnl Checks for library functions.
 AC_CHECK_FUNCS([malloc memset socket])
 
-AX_PTHREAD(, AC_MSG_ERROR(Can not find pthreads.  This is required.))
+AX_PTHREAD([LIBS="$PTHREAD_LIBS $LIBS"
+            CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+            CC="$PTHREAD_CC"], AC_MSG_ERROR(Can not find pthreads.  This is required.))
 
 AM_COND_IF([USE_SYSTEM_SHARED_LIB],
   [],