automatically configure with shared memory transporter for ndb if functions are available

acinclude.m4

@@ -1599,11 +1599,6 @@ AC_DEFUN([MYSQL_CHECK_NDB_OPTIONS], [
       ;;
   esac
 
-  AC_ARG_WITH([ndb-shm],
-              [
-  --with-ndb-shm        Include the NDB Cluster shared memory transporter],
-              [ndb_shm="$withval"],
-              [ndb_shm=no])
   AC_ARG_WITH([ndb-test],
               [
   --with-ndb-test       Include the NDB Cluster ndbapi test programs],
@@ -1633,19 +1628,6 @@ AC_DEFUN([MYSQL_CHECK_NDB_OPTIONS], [
   AC_MSG_CHECKING([for NDB Cluster options])
   AC_MSG_RESULT([])
                                                                                 
-  have_ndb_shm=no
-  case "$ndb_shm" in
-    yes )
-      AC_MSG_RESULT([-- including shared memory transporter])
-      AC_DEFINE([NDB_SHM_TRANSPORTER], [1],
-                [Including Ndb Cluster DB shared memory transporter])
-      have_ndb_shm="yes"
-      ;;
-    * )
-      AC_MSG_RESULT([-- not including shared memory transporter])
-      ;;
-  esac
-
   have_ndb_test=no
   case "$ndb_test" in
     yes )

configure.in

@@ -1923,7 +1923,9 @@ AC_CHECK_FUNCS(alarm bcmp bfill bmove bzero chsize cuserid fchmod fcntl \
   pthread_attr_setstacksize pthread_condattr_create pthread_getsequence_np \
   pthread_key_delete pthread_rwlock_rdlock pthread_setprio \
   pthread_setprio_np pthread_setschedparam pthread_sigmask readlink \
-  realpath rename rint rwlock_init setupterm sighold sigset sigthreadmask \
+  realpath rename rint rwlock_init setupterm \
+  shmget shmat shmdt shmctl \
+  sighold sigset sigthreadmask \
   snprintf socket stpcpy strcasecmp strerror strnlen strpbrk strstr strtol \
   strtoll strtoul strtoull tell tempnam thr_setconcurrency vidattr)
 
@@ -3078,10 +3080,19 @@ fi
 AC_SUBST([ndb_port_base])
 
 ndb_transporter_opt_objs=""
-if test X"$have_ndb_shm" = Xyes
-then
+if test "$ac_cv_func_shmget" = "yes" &&
+   test "$ac_cv_func_shmat" = "yes" &&
+   test "$ac_cv_func_shmdt" = "yes" &&
+   test "$ac_cv_func_shmctl" = "yes"
+then
+   AC_DEFINE([NDB_SHM_TRANSPORTER], [1],
+             [Including Ndb Cluster DB shared memory transporter])
+   AC_MSG_RESULT([Including ndb shared memory transporter])
    ndb_transporter_opt_objs="$ndb_transporter_opt_objs SHM_Transporter.lo SHM_Transporter.unix.lo"
+else
+   AC_MSG_RESULT([Not including ndb shared memory transporter])
 fi
+
 if test X"$have_ndb_sci" = Xyes
 then
   ndb_transporter_opt_objs="$ndb_transporter_opt_objs SCI_Transporter.lo"