X-Git-Url: https://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=configure.in;h=81b66235691d40746fdca8db491edde49f20c206;hb=4c9f63c460cb7134f142aa65f6866c175ed77605;hp=d4af03b255a56e8cc0a76561a049da1adae3485a;hpb=f8a52f8d51160dbfdd5449403bb157497f2b39c4;p=ncurses.git

diff --git a/configure.in b/configure.in
index d4af03b2..81b66235 100644
--- a/configure.in
+++ b/configure.in
@@ -29,7 +29,7 @@ dnl***************************************************************************
 dnl
 dnl Author: Thomas E. Dickey 1995-on
 dnl
-dnl $Id: configure.in,v 1.742 2022/03/05 22:13:12 tom Exp $
+dnl $Id: configure.in,v 1.744 2022/04/17 00:26:25 tom Exp $
 dnl Process this file with autoconf to produce a configure script.
 dnl
 dnl For additional information, see
@@ -38,7 +38,7 @@ dnl     https://invisible-island.net/autoconf/my-autoconf.html
 dnl
 dnl ---------------------------------------------------------------------------
 AC_PREREQ(2.52.20210101)
-AC_REVISION($Revision: 1.742 $)
+AC_REVISION($Revision: 1.744 $)
 AC_INIT(ncurses/base/lib_initscr.c)
 AC_CONFIG_HEADER(include/ncurses_cfg.h:include/ncurses_cfg.hin)
 
@@ -693,6 +693,15 @@ AC_MSG_RESULT($with_xterm_new)
 WHICH_XTERM=$with_xterm_new
 AC_SUBST(WHICH_XTERM)
 
+case $host_os in
+(*linux-gnu|*cygwin|*mingw32|*msys)
+	want_xterm_kbs=DEL
+	;;
+(*)
+	want_xterm_kbs=BS
+	;;
+esac
+
 AC_MSG_CHECKING(if xterm backspace sends BS or DEL)
 AC_ARG_WITH(xterm-kbs,
 	[  --with-xterm-kbs=XXX    specify if xterm backspace sends BS or DEL],
@@ -713,6 +722,11 @@ AC_MSG_RESULT($with_xterm_kbs)
 XTERM_KBS=$with_xterm_kbs
 AC_SUBST(XTERM_KBS)
 
+if test "x$with_xterm_kbs" != "x$want_xterm_kbs"
+then
+	AC_MSG_WARN(expected --with-xterm-kbs=$want_xterm_kbs for $host_os)
+fi
+
 MAKE_TERMINFO=
 if test "$use_database" = no ; then
 	TERMINFO="${datadir}/terminfo"