--- rxvt-unicode/configure	2019/06/20 23:07:42	1.164
+++ rxvt-unicode/configure	2020/01/22 13:57:10	1.165
@@ -5354,7 +5354,7 @@
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
-for ac_header in sys/inotify.h sys/epoll.h sys/event.h port.h poll.h
+for ac_header in sys/inotify.h sys/epoll.h sys/event.h port.h poll.h sys/timerfd.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_cxx_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
@@ -5367,7 +5367,7 @@
 
 done
 
-for ac_header in sys/select.h sys/eventfd.h sys/signalfd.h linux/aio_abi.h
+for ac_header in sys/select.h sys/eventfd.h sys/signalfd.h linux/aio_abi.h linux/fs.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_cxx_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
@@ -5572,6 +5572,17 @@
 done
 
 
+ac_fn_cxx_check_type "$LINENO" "__kernel_rwf_t" "ac_cv_type___kernel_rwf_t" "#include <linux/fs.h>
+"
+if test "x$ac_cv_type___kernel_rwf_t" = xyes; then :
+
+
+$as_echo "#define HAVE_KERNEL_RWF_T 1" >>confdefs.h
+
+
+fi
+
+
 if test -z "$LIBEV_M4_AVOID_LIBM"; then
    LIBM=m
 fi