$NetBSD: patch-canuum_configure.in,v 1.1 2015/10/18 03:58:31 tsutsui Exp $

Check openpty(3), posix_openpt(3), and ptsname(3).

--- canuum/configure.in.orig	2003-03-24 04:15:22.000000000 +0000
+++ canuum/configure.in
@@ -378,6 +378,8 @@ AC_CHECK_LIB(socket, connect)
 AC_CHECK_LIB(bind, getservbyname)
 AC_CHECK_LIB(nsl, gethostbyname)
 ])dnl not CANNA
+dnl libutil only needed by uum with openpty... (determine later)
+AC_CHECK_LIB(util, openpty, [HAVE_LIBUTIL='have_libutil'])
 
 dnl
 dnl Checks for header files.
@@ -390,7 +392,7 @@ AC_CHECK_HEADERS(fcntl.h sgtty.h syslog.
 	sys/file.h sys/ioctl.h sys/time.h sys/types.h sys/param.h \
 	malloc.h strings.h memory.h \
 	curses.h ncurses.h term.h termio.h \
-	termcap.h sgtty.h sys/termio.h termios.h
+	termcap.h sgtty.h sys/termio.h termios.h libutil.h util.h 
 )
 dnl If you don't use ansidecl.h, use this (and modify Wnn/jserver/error.c)
 dnl AC_CHECK_HEADERS(stdarg.h varargs.h, break)
@@ -508,7 +510,8 @@ dnl AC_FUNC_WAIT3
 AC_CHECK_FUNCS(random drand48 fchmod getopt \
 	gethostname select socket closesocket setsockopt send recv \
 	FD_SET \
-	getdtablesize getrlimit syslog vsyslog setenv snprintf)
+	getdtablesize getrlimit syslog vsyslog setenv snprintf \
+	ptsname posix_openpt openpty)
 dnl for bcopy/index -> memcpy/strchr conversion (preparation):
 AC_CHECK_FUNCS(bcopy bzero bcmp index rindex \
 	memcpy memmove memset strchr strrchr)
@@ -520,6 +523,14 @@ AC_CHECK_FUNCS(mkdir vasprintf, ,
 [JS_SUPPORTOBJS="${JS_SUPPORTOBJS} ${ac_func}.o"])
 AC_SUBST(JS_SUPPORTOBJS)
 
+dnl
+dnl File Existence
+dnl Checking file at compile time may bring false result when cross-
+dnl compiling. So, one have to check generated config.h and edit it
+dnl if necessary after running configure.
+dnl
+dnl AC_CHECK_FILE(/dev/ptmx, AC_DEFINE(HAVE_DEV_PTMX, 1, [/dev/ptmx found]),)
+AC_CHECK_FILES(/dev/ptmx,,)
 
 dnl
 dnl Creating Makefiles.