# See the License for the specific language governing permissions and
 # limitations under the License.
 
-dnl Checks for --disable-userspace.
-AC_DEFUN([OVS_CHECK_USERSPACE],
-  [AC_ARG_ENABLE(
-     [userspace],
-     [AC_HELP_STRING([--disable-userspace], 
-                     [Disable building userspace components.])],
-     [case "${enableval}" in
-        (yes) build_userspace=true ;;
-        (no)  build_userspace=false ;;
-        (*) AC_MSG_ERROR([bad value ${enableval} for --enable-userspace]) ;;
-      esac],
-     [build_userspace=true])
-   AM_CONDITIONAL([ENABLE_USERSPACE], [$build_userspace])])
-
 dnl OVS_CHECK_LINUX(OPTION, VERSION, VARIABLE, CONDITIONAL)
 dnl
 dnl Configure linux kernel source tree 
 
 AC_C_BIGENDIAN
 AC_SYS_LARGEFILE
 
-OVS_CHECK_USERSPACE
 OVS_CHECK_NDEBUG
 OVS_CHECK_NETLINK
 OVS_CHECK_OPENSSL
 OVS_CHECK_IF_PACKET
 OVS_CHECK_STRTOK_R
 
-if $build_userspace; then
-    OVS_CHECK_PKIDIR
-    OVS_CHECK_RUNDIR
-    OVS_CHECK_MALLOC_HOOKS
-    OVS_CHECK_VALGRIND
-    OVS_CHECK_TTY_LOCK_DIR
-    OVS_CHECK_SOCKET_LIBS
-    OVS_CHECK_FAULT_LIBS
+OVS_CHECK_PKIDIR
+OVS_CHECK_RUNDIR
+OVS_CHECK_MALLOC_HOOKS
+OVS_CHECK_VALGRIND
+OVS_CHECK_TTY_LOCK_DIR
+OVS_CHECK_SOCKET_LIBS
+OVS_CHECK_FAULT_LIBS
 
-    AC_CHECK_FUNCS([strsignal])
+AC_CHECK_FUNCS([strsignal])
 
-    OVS_ENABLE_OPTION([-Wall])
-    OVS_ENABLE_OPTION([-Wno-sign-compare])
-    OVS_ENABLE_OPTION([-Wpointer-arith])
-    OVS_ENABLE_OPTION([-Wdeclaration-after-statement])
-    OVS_ENABLE_OPTION([-Wformat-security])
-    OVS_ENABLE_OPTION([-Wswitch-enum])
-    OVS_ENABLE_OPTION([-Wunused-parameter])
-    OVS_ENABLE_OPTION([-Wstrict-aliasing])
-    OVS_ENABLE_OPTION([-Wbad-function-cast])
-    OVS_ENABLE_OPTION([-Wcast-align])
-    OVS_ENABLE_OPTION([-Wstrict-prototypes])
-    OVS_ENABLE_OPTION([-Wold-style-definition])
-    OVS_ENABLE_OPTION([-Wmissing-prototypes])
-    OVS_ENABLE_OPTION([-Wmissing-field-initializers])
-    OVS_ENABLE_OPTION([-Wno-override-init])
-fi
+OVS_ENABLE_OPTION([-Wall])
+OVS_ENABLE_OPTION([-Wno-sign-compare])
+OVS_ENABLE_OPTION([-Wpointer-arith])
+OVS_ENABLE_OPTION([-Wdeclaration-after-statement])
+OVS_ENABLE_OPTION([-Wformat-security])
+OVS_ENABLE_OPTION([-Wswitch-enum])
+OVS_ENABLE_OPTION([-Wunused-parameter])
+OVS_ENABLE_OPTION([-Wstrict-aliasing])
+OVS_ENABLE_OPTION([-Wbad-function-cast])
+OVS_ENABLE_OPTION([-Wcast-align])
+OVS_ENABLE_OPTION([-Wstrict-prototypes])
+OVS_ENABLE_OPTION([-Wold-style-definition])
+OVS_ENABLE_OPTION([-Wmissing-prototypes])
+OVS_ENABLE_OPTION([-Wmissing-field-initializers])
+OVS_ENABLE_OPTION([-Wno-override-init])
 
 AC_ARG_VAR(KARCH, [Kernel Architecture String])
 AC_SUBST(KARCH)