--- libptytty/ptytty.m4	2007/05/07 13:46:06	1.9
+++ libptytty/ptytty.m4	2011/11/26 13:39:03	1.31
@@ -1,6 +1,22 @@
 dnl this file is part of libptytty, do not make local modifications
 dnl http://software.schmorp.de/pkg/libptytty
 
+AC_DEFUN([PT_FIND_FILE],
+[AC_CACHE_CHECK(for a fallback location of $1, pt_cv_path_$1, [
+if test "$cross_compiling" != yes; then
+  for file in $3; do
+    if test -f "$file"; then
+      pt_cv_path_$1=$file
+      break
+    fi
+  done
+fi])
+if test x$pt_cv_path_$1 != x; then
+  AC_DEFINE_UNQUOTED($2, "$pt_cv_path_$1", Define to a fallback location of $1)
+elif test "$cross_compiling" = yes; then
+  AC_MSG_WARN(Define $2 in config.h manually)
+fi])
+
 AC_DEFUN([PTY_CHECK],
 [
 AC_CHECK_HEADERS( \
@@ -9,6 +25,7 @@
   libutil.h \
   sys/ioctl.h \
   sys/stropts.h \
+  stropts.h \
 )
 
 AC_CHECK_FUNCS( \
@@ -23,58 +40,18 @@
   setresuid \
 )
 
-have_clone=no
-
-AC_MSG_CHECKING(for /dev/ptym/clone)
-if test -e /dev/ptym/clone; then
-  AC_MSG_RESULT(yes)
-  AC_DEFINE(HAVE_DEV_CLONE, 1, [Define to 1 if you have /dev/ptym/clone])
-  AC_DEFINE(CLONE_DEVICE, "/dev/ptym/clone", [clone device filename])
-  have_clone=yes
-else
-  AC_MSG_RESULT(no)
-fi
-
-AC_MSG_CHECKING(for /dev/ptc)
-if test -e /dev/ptc; then
-  AC_MSG_RESULT(yes)
-  AC_DEFINE(HAVE_DEV_PTC, 1, [Define to 1 if you have /dev/ptc])
-  AC_DEFINE(CLONE_DEVICE, "/dev/ptc", [clone device filename])
-  have_clone=yes
-else
-  AC_MSG_RESULT(no)
-fi
-
-case $host in
-  *-*-cygwin*)
-    have_clone=yes
-    AC_DEFINE(CLONE_DEVICE, "/dev/ptmx", [clone device filename])
-    ;;
-  *)
-    AC_MSG_CHECKING(for /dev/ptmx)
-    if test -e /dev/ptmx; then
-      AC_MSG_RESULT(yes)
-      AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if you have /dev/ptmx])
-      AC_DEFINE(CLONE_DEVICE, "/dev/ptmx", [clone device filename])
-      have_clone=yes
-    else
-      AC_MSG_RESULT(no)
-    fi
-    ;;
-esac
-
-if test x$ac_cv_func_getpt = xyes -o x$ac_cv_func_posix_openpt = xyes -o x$have_clone = xyes; then
-  AC_MSG_CHECKING(for UNIX98 ptys)
-  AC_TRY_LINK([#include <stdlib.h>],
-              [grantpt(0);unlockpt(0);ptsname(0);],
-              [unix98_pty=yes
-               AC_DEFINE(UNIX98_PTY, 1, "")
-               AC_MSG_RESULT(yes)],
-              [AC_MSG_RESULT(no)])
-fi
+AC_MSG_CHECKING(for UNIX98 ptys)
+AC_LINK_IFELSE(
+  [AC_LANG_PROGRAM(
+     [[#include <stdlib.h>]],
+     [[grantpt(0);unlockpt(0);ptsname(0);]])],
+  [unix98_pty=yes
+   AC_DEFINE(UNIX98_PTY, 1, "")
+   AC_MSG_RESULT(yes)],
+  [AC_MSG_RESULT(no)])
 
 if test -z "$unix98_pty"; then
-  AC_CHECK_FUNCS(openpty, [], [AC_CHECK_LIB(util, openpty, [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lutil"])])
+  AC_SEARCH_LIBS(openpty, util, AC_DEFINE(HAVE_OPENPTY, 1, ""))
 fi
 ])
 
@@ -85,19 +62,19 @@
 support_lastlog=yes
 
 AC_ARG_ENABLE(utmp,
-  [  --enable-utmp           enable utmp (utmpx) support],
+  [AS_HELP_STRING([--enable-utmp],[enable utmp (utmpx) support])],
   [if test x$enableval = xyes -o x$enableval = xno; then
     support_utmp=$enableval
   fi])
 
 AC_ARG_ENABLE(wtmp,
-  [  --enable-wtmp           enable wtmp (wtmpx) support (requires --enable-utmp)],
+  [AS_HELP_STRING([--enable-wtmp],[enable wtmp (wtmpx) support (requires --enable-utmp)])],
   [if test x$enableval = xyes -o x$enableval = xno; then
     support_wtmp=$enableval
   fi])
 
 AC_ARG_ENABLE(lastlog,
-  [  --enable-lastlog        enable lastlog support (requires --enable-utmp)],
+  [AS_HELP_STRING([--enable-lastlog],[enable lastlog support (requires --enable-utmp)])],
   [if test x$enableval = xyes -o x$enableval = xno; then
     support_lastlog=$enableval
   fi])
@@ -113,16 +90,12 @@
 fi
 
 AC_CHECK_FUNCS( \
-	ttyslot \
 	updwtmp \
 	updwtmpx \
+	updlastlogx \
 )
 
-AC_CHECK_HEADERS( \
-	utmp.h \
-	utmpx.h \
-	lastlog.h \
-)
+AC_CHECK_HEADERS(lastlog.h)
 
 dnl# --------------------------------------------------------------------------
 dnl# DO ALL UTMP AND WTMP CHECKING
@@ -130,331 +103,104 @@
 dnl# check for host field in utmp structure
 
 dnl# --------------------------------------------
-AC_CHECK_HEADER(utmp.h,
-[AC_CACHE_CHECK([for struct utmp], struct_utmp,
-[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
-#include <utmp.h>]], [[struct utmp ut;]])],[struct_utmp=yes],[struct_utmp=no])])
-if test x$struct_utmp = xyes; then
-  AC_DEFINE(HAVE_STRUCT_UTMP, 1, Define if utmp.h has struct utmp)
-fi
-]
+AC_CHECK_HEADERS(utmp.h,
+AC_CHECK_TYPES([struct utmp], [], [], [
+#include <sys/types.h>
+#include <utmp.h>
+])
 
-AC_CACHE_CHECK(for ut_host in utmp struct, struct_utmp_host,
-[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
-#include <utmp.h>]], [[struct utmp ut; ut.ut_host;]])],[struct_utmp_host=yes],[struct_utmp_host=no])])
-if test x$struct_utmp_host = xyes; then
-  AC_DEFINE(HAVE_UTMP_HOST, 1, Define if struct utmp contains ut_host)
-fi
+AC_CHECK_MEMBER([struct utmp.ut_host],
+[AC_DEFINE(HAVE_UTMP_HOST, 1, Define if struct utmp contains ut_host)], [], [
+#include <sys/types.h>
+#include <utmp.h>
+])
 
-AC_CACHE_CHECK(for ut_pid in utmp struct, struct_utmp_pid,
-[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
-#include <utmp.h>]], [[struct utmp ut; ut.ut_pid;]])],[struct_utmp_pid=yes],[struct_utmp_pid=no])])
-if test x$struct_utmp_pid = xyes; then
-  AC_DEFINE(HAVE_UTMP_PID, 1, Define if struct utmp contains ut_pid)
-fi
-) dnl# AC_CHECK_HEADER(utmp.h
+AC_CHECK_MEMBER([struct utmp.ut_pid],
+[AC_DEFINE(HAVE_UTMP_PID, 1, Define if struct utmp contains ut_pid)], [], [
+#include <sys/types.h>
+#include <utmp.h>
+])
+) dnl# AC_CHECK_HEADERS(utmp.h
 
 dnl# --------------------------------------------
 
-AC_CHECK_HEADER(utmpx.h,
-[AC_CACHE_CHECK([for struct utmpx], struct_utmpx,
-[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
-#include <utmpx.h>]], [[struct utmpx ut;]])],[struct_utmpx=yes],[struct_utmpx=no])])
-if test x$struct_utmpx = xyes; then
-  AC_DEFINE(HAVE_STRUCT_UTMPX, 1, Define if utmpx.h has struct utmpx)
-fi
-]
+AC_CHECK_HEADERS(utmpx.h,
+AC_CHECK_TYPES([struct utmpx], [], [], [
+#include <sys/types.h>
+#include <utmpx.h>
+])
 
-AC_CACHE_CHECK(for host in utmpx struct, struct_utmpx_host,
-[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
-#include <utmpx.h>]], [[struct utmpx utx; utx.ut_host;]])],[struct_utmpx_host=yes],[struct_utmpx_host=no])])
-if test x$struct_utmpx_host = xyes; then
-  AC_DEFINE(HAVE_UTMPX_HOST, 1, Define if struct utmpx contains ut_host)
-fi
+AC_CHECK_MEMBER([struct utmpx.ut_host],
+[AC_DEFINE(HAVE_UTMPX_HOST, 1, Define if struct utmpx contains ut_host)], [], [
+#include <sys/types.h>
+#include <utmpx.h>
+])
 
-AC_CACHE_CHECK(for session in utmpx struct, struct_utmpx_session,
-[AC_TRY_COMPILE([#include <sys/types.h>
-#include <utmpx.h>],
-[struct utmpx utx; utx.ut_session;],
-struct_utmpx_session=yes, struct_utmpx_session=no)])
-if test x$struct_utmpx_session = xyes; then
-  AC_DEFINE(HAVE_UTMPX_SESSION, 1, Define if struct utmpx contains ut_session)
-fi
-) dnl# AC_CHECK_HEADER(utmpx.h
+AC_CHECK_MEMBER([struct utmpx.ut_session],
+[AC_DEFINE(HAVE_UTMPX_SESSION, 1, Define if struct utmpx contains ut_session)], [], [
+#include <sys/types.h>
+#include <utmpx.h>
+])
+) dnl# AC_CHECK_HEADERS(utmpx.h
 
 dnl# --------------------------------------------------------------------------
 dnl# check for struct lastlog
-AC_CACHE_CHECK(for struct lastlog, struct_lastlog,
-[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
+AC_CHECK_TYPES([struct lastlog], [], [], [
+#include <sys/types.h>
 #include <utmp.h>
 #ifdef HAVE_LASTLOG_H
 #include <lastlog.h>
 #endif
-]], [[struct lastlog ll;]])],[struct_lastlog=yes],[struct_lastlog=no])])
-if test x$struct_lastlog = xyes; then
-  AC_DEFINE(HAVE_STRUCT_LASTLOG, 1, Define if utmp.h or lastlog.h has struct lastlog)
-fi
+])
 
 dnl# check for struct lastlogx
-AC_CACHE_CHECK(for struct lastlogx, struct_lastlogx,
-[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
+AC_CHECK_TYPES([struct lastlogx], [], [], [
+#include <sys/types.h>
 #include <utmpx.h>
 #ifdef HAVE_LASTLOG_H
 #include <lastlog.h>
 #endif
-]], [[struct lastlogx ll;]])],[struct_lastlogx=yes],[struct_lastlogx=no])])
-if test x$struct_lastlogx = xyes; then
-  AC_DEFINE(HAVE_STRUCT_LASTLOGX, 1, Define if utmpx.h or lastlog.h has struct lastlogx)
-fi
+])
 
 dnl# --------------------------------------------------------------------------
 dnl# FIND FILES
 dnl# --------------------------------------------------------------------------
 
 dnl# find utmp
-AC_CACHE_CHECK(where utmp is located, path_utmp,
-[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <utmp.h>
-#include <errno.h>
-main()
-{
-    char **u, *utmplist[] = {
-    "/var/run/utmp", "/var/adm/utmp", "/etc/utmp", "/usr/etc/utmp", "/usr/adm/utmp", NULL };
-    FILE *a, *f=fopen("conftestval", "w");
-    if (!f) exit(1);
-#ifdef UTMP_FILE
-    fprintf(f, "%s\n", UTMP_FILE);
-    exit(0);
-#endif
-#ifdef _PATH_UTMP
-    fprintf(f, "%s\n", _PATH_UTMP);
-    exit(0);
-#endif
-    for (u = utmplist; *u; u++) {
-	if ((a = fopen(*u, "r")) != NULL || errno == EACCES) {
-	    fprintf(f, "%s\n", *u);
-	    exit(0);
-	}
-    }
-    exit(0);
-}]])],[path_utmp=`cat conftestval`],[path_utmp=],[dnl
-  AC_MSG_WARN(Define UTMP_FILE in config.h manually)])])
-if test x$path_utmp != x; then
-  AC_DEFINE_UNQUOTED(UTMP_FILE, "$path_utmp", Define location of utmp)
-fi
-
-dnl# --------------------------------------------------------------------------
-
-dnl# find utmpx - if a utmp file exists at the same location and is more than
-dnl# a day newer, then dump the utmpx.  People leave lots of junk around.
-AC_CACHE_CHECK(where utmpx is located, path_utmpx,
-[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <utmpx.h>
-#include <errno.h>
-#include <sys/stat.h>
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
-main()
-{
-    char **u, *p, *utmplist[] = {
-#ifdef UTMPX_FILE
-	UTMPX_FILE,
-#endif
-#ifdef _PATH_UTMPX
-	_PATH_UTMPX,
-#endif
-    "/var/adm/utmpx", "/etc/utmpx", NULL };
-    FILE *a, *f=fopen("conftestval", "w");
-    struct stat statu, statux;
-    if (!f) exit(1);
-    for (u = utmplist; *u; u++) {
-	if ((a = fopen(*u, "r")) != NULL || errno == EACCES) {
-	    if (stat(*u, &statux) < 0)
-		continue;
-	    p = strdup(*u);
-	    p[strlen(p) - 1] = '\0';
-	    if (stat(p, &statu) >= 0
-		&& (statu.st_mtime - statux.st_mtime > 86400))
-		continue;
-	    fprintf(f, "%s\n", *u);
-	    exit(0);
-	}
-    }
-    exit(0);
-}]])],[path_utmpx=`cat conftestval`],[path_utmpx=],[dnl
-  AC_MSG_WARN(Define UTMPX_FILE in config.h manually)])])
-if test x$path_utmpx != x; then
-  AC_DEFINE_UNQUOTED(UTMPX_FILE, "$path_utmpx", Define location of utmpx)
-fi
+PT_FIND_FILE([utmp], [PT_UTMP_FILE],
+["/var/run/utmp" "/var/adm/utmp" "/etc/utmp" "/usr/etc/utmp" "/usr/adm/utmp"])
 
 dnl# --------------------------------------------------------------------------
 
 dnl# find wtmp
-AC_CACHE_CHECK(where wtmp is located, path_wtmp,
-[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#ifdef HAVE_UTMP_H
-#include <utmp.h>
-#endif
-#include <errno.h>
-main()
-{
-    char **w, *wtmplist[] = {
-    "/var/log/wtmp", "/var/adm/wtmp", "/etc/wtmp", "/usr/etc/wtmp", "/usr/adm/wtmp", NULL }; 
-    FILE *a, *f=fopen("conftestval", "w");
-    if (!f) exit(1);
-#ifdef WTMP_FILE
-    fprintf(f, "%s\n", WTMP_FILE);
-    exit(0);
-#endif
-#ifdef _PATH_WTMP
-    fprintf(f, "%s\n", _PATH_WTMP);
-    exit(0);
-#endif
-    for (w = wtmplist; *w; w++) {
-	if ((a = fopen(*w, "r")) != NULL || errno == EACCES) {
-	    fprintf(f, "%s\n", *w);
-	    exit(0);
-	}
-    }
-    exit(0);
-}]])],[path_wtmp=`cat conftestval`],[path_wtmp=],[dnl
-  AC_MSG_WARN(Define WTMP_FILE in config.h manually)])])
-if test x$path_wtmp != x; then
-  AC_DEFINE_UNQUOTED(WTMP_FILE, "$path_wtmp", Define location of wtmp)
-fi
+PT_FIND_FILE([wtmp], [PT_WTMP_FILE],
+["/var/log/wtmp" "/var/adm/wtmp" "/etc/wtmp" "/usr/etc/wtmp" "/usr/adm/wtmp"])
 dnl# --------------------------------------------------------------------------
 
 dnl# find wtmpx
-AC_CACHE_CHECK(where wtmpx is located, path_wtmpx,
-[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
-#include <stdlib.h>
-#ifdef HAVE_UTMPX_H
-#include <utmpx.h>
-#endif
-#include <errno.h>
-main()
-{
-    char **w, *wtmplist[] = {
-    "/var/log/wtmpx", "/var/adm/wtmpx", NULL }; 
-    FILE *a, *f=fopen("conftestval", "w");
-    if (!f) exit(1);
-#ifdef WTMPX_FILE
-    fprintf(f, "%s\n", WTMPX_FILE);
-    exit(0);
-#endif
-#ifdef _PATH_WTMPX
-    fprintf(f, "%s\n", _PATH_WTMPX);
-    exit(0);
-#endif
-    for (w = wtmplist; *w; w++) {
-	if ((a = fopen(*w, "r")) != NULL || errno == EACCES) {
-	    fprintf(f, "%s\n", *w);
-	    exit(0);
-	}
-    }
-    exit(0);
-}]])],[path_wtmpx=`cat conftestval`],[path_wtmpx=],[dnl
-  AC_MSG_WARN(Define WTMPX_FILE in config.h manually)])])
-if test x$path_wtmpx != x; then
-  AC_DEFINE_UNQUOTED(WTMPX_FILE, "$path_wtmpx", Define location of wtmpx)
-fi
+PT_FIND_FILE([wtmpx], [PT_WTMPX_FILE],
+["/var/log/wtmpx" "/var/adm/wtmpx"])
 dnl# --------------------------------------------------------------------------
 
 dnl# find lastlog
-AC_CACHE_CHECK(where lastlog is located, path_lastlog,
-[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#ifdef HAVE_UTMPX_H
-#include <utmpx.h>
-#elif defined(HAVE_UTMP_H)
-#include <utmp.h>
-#endif
-#ifdef HAVE_LASTLOG_H
-#include <lastlog.h>
-#endif
-#include <errno.h>
-main()
-{
-    char **w, *lastloglist[] = { "/var/log/lastlog", NULL };
-    FILE *a, *f=fopen("conftestval", "w");
-    if (!f) exit(1);
-#ifdef LASTLOG_FILE
-    fprintf(f, "%s\n", LASTLOG_FILE);
-    exit(0);
-#endif
-#ifdef _PATH_LASTLOG
-    fprintf(f, "%s\n", _PATH_LASTLOG);
-    exit(0);
-#endif
-    for (w = lastloglist; *w; w++) {
-	if ((a = fopen(*w, "r")) != NULL || errno == EACCES) {
-	    fprintf(f, "%s\n", *w);
-	    exit(0);
-	}
-    }
-    exit(0);
-}]])],[path_lastlog=`cat conftestval`],[path_lastlog=],[dnl
-  AC_MSG_WARN(Define LASTLOG_FILE in config.h manually)])])
-if test x$path_lastlog != x; then
-  AC_DEFINE_UNQUOTED(LASTLOG_FILE, "$path_lastlog", Define location of lastlog)
-  if test -d "$path_lastlog"; then
-    AC_DEFINE(LASTLOG_IS_DIR, 1, Define if lastlog is provided via a directory)
-  fi
-fi
+PT_FIND_FILE([lastlog], [PT_LASTLOG_FILE],
+["/var/log/lastlog"])
 dnl# --------------------------------------------------------------------------
 
 dnl# find lastlogx
-AC_CACHE_CHECK(where lastlogx is located, path_lastlogx,
-[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
-#include <stdlib.h>
-#ifdef HAVE_UTMPX_H
-#include <utmpx.h>
-#endif
-#include <errno.h>
-main()
-{
-    char **w, *wtmplist[] = { "/var/log/lastlogx", "/var/adm/lastlogx", NULL };
-    FILE *a, *f=fopen("conftestval", "w");
-    if (!f) exit(1);
-#ifdef LASTLOGX_FILE
-    fprintf(f, "%s\n", LASTLOGX_FILE);
-    exit(0);
-#endif
-#ifdef _PATH_LASTLOGX
-    fprintf(f, "%s\n", _PATH_LASTLOGX);
-    exit(0);
-#endif
-    for (w = wtmplist; *w; w++) {
-	if ((a = fopen(*w, "r")) != NULL || errno == EACCES) {
-	    fprintf(f, "%s\n", *w);
-	    exit(0);
-	}
-    }
-    exit(0);
-}]])],[path_lastlogx=`cat conftestval`],[path_lastlogx=],[dnl
-  AC_MSG_WARN(Define LASTLOGX_FILE in config.h manually)])])
-if test x$path_lastlogx != x; then
-  AC_DEFINE_UNQUOTED(LASTLOGX_FILE, "$path_lastlogx", Define location of lastlogx)
-fi
+PT_FIND_FILE([lastlogx], [PT_LASTLOGX_FILE],
+["/var/log/lastlogx" "/var/adm/lastlogx"])
 ])
 
 AC_DEFUN([SCM_RIGHTS_CHECK],
 [
-AC_CACHE_CHECK(for unix-compliant filehandle passing ability, can_pass_fds,
-[AC_TRY_LINK([
+AC_CACHE_CHECK(for unix-compliant filehandle passing ability, pt_cv_can_pass_fds,
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 #include <cstddef> // broken bsds (is that redundant?) need this
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/uio.h>
-],[
+]], [[
 {
   msghdr msg;
   iovec iov;
@@ -478,8 +224,8 @@
 
   return sendmsg (3, &msg, 0);
 }
-],[can_pass_fds=yes],[can_pass_fds=no])])
-if test x$can_pass_fds = xyes; then
+]])],[pt_cv_can_pass_fds=yes],[pt_cv_can_pass_fds=no])])
+if test x$pt_cv_can_pass_fds = xyes; then
    AC_DEFINE(HAVE_UNIX_FDPASS, 1, Define if sys/socket.h defines the necessary macros/functions for file handle passing)
 else
    AC_MSG_ERROR([libptytty requires unix-compliant filehandle passing ability])
@@ -488,14 +234,14 @@
 
 AC_DEFUN([TTY_GROUP_CHECK],
 [
-AC_CACHE_CHECK([for tty group], tty_group,
-[AC_TRY_RUN([
+AC_CACHE_CHECK([for tty group], pt_cv_tty_group,
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>
 #include <grp.h>
 
-main()
+int main()
 {
   struct stat st;
   struct group *gr;
@@ -509,9 +255,8 @@
     return 0;
   else
     return 1;
-}],
-[tty_group=yes],[tty_group=no],[tty_group=no])])
-if test x$tty_group = xyes; then
+}]])],[pt_cv_tty_group=yes],[pt_cv_tty_group=no],[pt_cv_tty_group=no])])
+if test x$pt_cv_tty_group = xyes; then
   AC_DEFINE(TTY_GID_SUPPORT, 1, "")
 fi])