diff -Naur a/config.h.in b/config.h.in --- a/config.h.in 2016-05-18 18:19:56.000000000 +0200 +++ b/config.h.in 2016-12-26 22:49:43.514203152 +0100 @@ -21,6 +21,9 @@ /* Define to 1 if you have the `mkfifo' function. */ #undef HAVE_MKFIFO +/* defined if poll.h is available */ +#undef HAVE_POLL_H + /* Define to 1 if you have the `select' function. */ #undef HAVE_SELECT @@ -48,6 +51,9 @@ /* Define to 1 if you have the header file. */ #undef HAVE_SYS_FILE_H +/* defined if sys/poll.h is available */ +#undef HAVE_SYS_POLL_H + /* Define to 1 if you have the header file. */ #undef HAVE_SYS_STAT_H diff -Naur a/configure.ac b/configure.ac --- a/configure.ac 2016-05-18 18:19:41.000000000 +0200 +++ b/configure.ac 2016-12-26 22:48:40.190031280 +0100 @@ -20,7 +20,7 @@ dnl Checks for header files. AC_HEADER_STDC -AC_CHECK_HEADERS(fcntl.h sys/time.h unistd.h termios.h memory.hi sys/file.h) +AC_CHECK_HEADERS(fcntl.h sys/time.h unistd.h termios.h memory.hi sys/file.h poll.h sys/poll.h) dnl Checks for typedefs, structures, and compiler characteristics. AC_TYPE_PID_T