Add configure tests for poll() (SF patch #100852)

config.h.in

@@ -404,6 +404,9 @@
 /* Define if you have the plock function.  */
 #undef HAVE_PLOCK
 
+/* Define if you have the poll function.  */
+#undef HAVE_POLL
+
 /* Define if you have the pthread_init function.  */
 #undef HAVE_PTHREAD_INIT
 
@@ -536,6 +539,9 @@
 /* Define if you have the <ndir.h> header file.  */
 #undef HAVE_NDIR_H
 
+/* Define if you have the <poll.h> header file.  */
+#undef HAVE_POLL_H
+
 /* Define if you have the <pthread.h> header file.  */
 #undef HAVE_PTHREAD_H
 

configure

 #! /bin/sh
 
-# From configure.in Revision: 1.146 
+# From configure.in Revision: 1.147 
 
 # Guess values for system-dependent variables and create Makefiles.
 # Generated automatically using autoconf version 2.13 
@@ -1536,7 +1536,7 @@ EOF
 
 fi
 
-for ac_hdr in dlfcn.h fcntl.h limits.h locale.h ncurses.h pthread.h \
+for ac_hdr in dlfcn.h fcntl.h limits.h locale.h ncurses.h poll.h pthread.h \
 signal.h stdarg.h stddef.h stdlib.h thread.h unistd.h utime.h \
 sys/audioio.h sys/file.h sys/lock.h \
 sys/param.h sys/select.h sys/socket.h sys/time.h sys/times.h \
@@ -3798,7 +3798,7 @@ for ac_func in alarm chown clock confstr ctermid ctermid_r execv \
  flock fork fsync fdatasync fpathconf ftime ftruncate \
  getgroups getlogin getpeername getpid getpwent getwd \
  kill link lstat mkfifo mktime mremap \
- nice pathconf pause plock pthread_init \
+ nice pathconf pause plock poll pthread_init \
  putenv readlink \
  select setegid seteuid setgid \
  setlocale setregid setreuid setsid setpgid setuid setvbuf \

configure.in

@@ -367,7 +367,7 @@ dnl AC_MSG_RESULT($cpp_type)
 
 # checks for header files
 AC_HEADER_STDC
-AC_CHECK_HEADERS(dlfcn.h fcntl.h limits.h locale.h ncurses.h pthread.h \
+AC_CHECK_HEADERS(dlfcn.h fcntl.h limits.h locale.h ncurses.h poll.h pthread.h \
 signal.h stdarg.h stddef.h stdlib.h thread.h unistd.h utime.h \
 sys/audioio.h sys/file.h sys/lock.h \
 sys/param.h sys/select.h sys/socket.h sys/time.h sys/times.h \
@@ -872,7 +872,7 @@ AC_CHECK_FUNCS(alarm chown clock confstr ctermid ctermid_r execv \
  flock fork fsync fdatasync fpathconf ftime ftruncate \
  getgroups getlogin getpeername getpid getpwent getwd \
  kill link lstat mkfifo mktime mremap \
- nice pathconf pause plock pthread_init \
+ nice pathconf pause plock poll pthread_init \
  putenv readlink \
  select setegid seteuid setgid \
  setlocale setregid setreuid setsid setpgid setuid setvbuf \