missed these on timerfd commit

Makefile.am

@@ -124,6 +124,10 @@ CORE_CFLAGS += -I$(switch_srcdir)/libs/libedit/src -DSWITCH_HAVE_LIBEDIT
 CORE_LIBS   += libs/libedit/src/.libs/libedit.a
 endif
 
+if ENABLE_TIMERFD_WRAPPER
+CORE_CFLAGS += -DTIMERFD_WRAP
+endif
+
 ##
 ## libfreeswitch
 ##

configure.in

@@ -390,6 +390,11 @@ if test "$ac_cv_found_odbc" = "yes" ; then
   enable_core_odbc_support="yes"
 fi
 
+AC_ARG_ENABLE(enable-timerfd-wrapper,     
+	[AS_HELP_STRING([--enable-timerfd-wrapper], [timerfd is in the kernel but not in your libc])],,[enable_timer_fd_wrapper="yes"])
+AM_CONDITIONAL([ENABLE_TIMERFD_WRAPPER],[test "x$enable_timer_fd_wrapper" != "xno"])
+
+
 AC_CHECK_LIB(z, inflateReset, have_libz=yes, have_libz=no)
 if test "x$have_libz" = "xyes"  ; then
 APR_ADDTO(SWITCH_AM_LDFLAGS, -lz)