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

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

--- canuum/configure.orig	2004-05-19 15:48:55.000000000 +0000
+++ canuum/configure
@@ -1001,6 +1001,46 @@ fi
 
 
 
+echo $ac_n "checking for openpty in -lutil""... $ac_c" 1>&6
+echo "configure:1006: checking for openpty in -lutil" >&5
+ac_lib_var=`echo util'_'openpty | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lutil  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 1014 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char openpty();
+
+int main() {
+openpty()
+; return 0; }
+EOF
+if { (eval echo configure:1025: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  HAVE_LIBUTIL='have_libutil'
+else
+  echo "$ac_t""no" 1>&6
+fi
+
 
 # If we find X, set shell vars x_includes and x_libraries to the
 # paths, otherwise set no_x=yes.
@@ -1421,7 +1461,7 @@ for ac_hdr in fcntl.h sgtty.h syslog.h u
 	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 
 
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
@@ -2079,10 +2119,11 @@ fi
 for ac_func in 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
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2086: checking for $ac_func" >&5
+echo "configure:2127: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else