X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=misc%2Fgen_edit.sh;h=dadf003571145b913096bc9b698e00505b3d8855;hp=e84c039c0cfc58d035d42dc22857254040001056;hb=f44733b760290aa8f51c6c9e1e463254833bffcd;hpb=01433b4eede468929bccc74b22324cb44540e990;ds=sidebyside

diff --git a/misc/gen_edit.sh b/misc/gen_edit.sh
index e84c039c..dadf0035 100755
--- a/misc/gen_edit.sh
+++ b/misc/gen_edit.sh
@@ -1,6 +1,7 @@
 #!/bin/sh
 ##############################################################################
-# Copyright (c) 2004-2011,2012 Free Software Foundation, Inc.                #
+# Copyright 2020 Thomas E. Dickey                                            #
+# Copyright 2004-2011,2012 Free Software Foundation, Inc.                    #
 #                                                                            #
 # Permission is hereby granted, free of charge, to any person obtaining a    #
 # copy of this software and associated documentation files (the "Software"), #
@@ -29,7 +30,7 @@
 #
 # Author: Thomas E. Dickey
 #
-# $Id: gen_edit.sh,v 1.3 2012/01/22 19:58:06 Sven.Joachim Exp $
+# $Id: gen_edit.sh,v 1.6 2020/02/02 23:34:34 tom Exp $
 # Generate a sed-script for converting the terminfo.src to the form which will
 # be installed.
 #
@@ -37,8 +38,12 @@
 #	The leaf directory names (lib, tabset, terminfo)
 #
 
-: ${datadir=@datadir@}
-: ${xterm_new=@WHICH_XTERM@}
+linux_dft=linux2.2
+
+: ${datadir=/usr/share}
+: ${WHICH_LINUX=$linux_dft}
+: ${WHICH_XTERM=xterm-new}
+: ${XTERM_KBS=BS}
 
 # If we're not installing into /usr/share/, we'll have to adjust the location
 # of the tabset files in terminfo.src (which are in a parallel directory).
@@ -49,7 +54,8 @@ s%/usr/share/tabset%$TABSET%g
 EOF
 fi
 
-if test "$xterm_new" != "xterm-new" ; then
+if test "$WHICH_XTERM" != "xterm-new" ; then
+echo "** using $WHICH_XTERM terminal description for XTerm entry" >&2
 cat <<EOF
 /^# This is xterm for ncurses/,/^$/{
 	s/use=xterm-new,/use=$WHICH_XTERM,/
@@ -57,26 +63,57 @@ cat <<EOF
 EOF
 fi
 
-# Work around incompatibities built into Linux console.  The 2.6 series added
-# a patch to fixup the SI/SO behavior, which is closer to vt100, but the older
-# kernels do not recognize those controls.
-system=`uname -s 2>/dev/null`
-if test "x$system" = xLinux
-then
-	case x`uname -r` in
-	x1.*)
+if test "$XTERM_KBS" != "BS" ; then
+echo "** using DEL for XTerm backspace-key" >&2
 cat <<EOF
-/^# This is Linux console for ncurses/,/^$/{
-	s/use=linux3.0,/use=linux-c,/
+/^xterm+kbs|fragment for backspace key/,/^#/{
+	s/kbs=^H,/kbs=^?,/
 }
 EOF
-		;;
-	x2.[0-4]*)
+fi
+
+# Work around incompatibities built into Linux console.  The 2.6 series added
+# a patch to fixup the SI/SO behavior, which is closer to vt100, but the older
+# kernels do not recognize those controls.  All of the kernels recognize the
+# older flavor of rmacs/smacs, but beginning in the late 1990s, changes made
+# as part of implementing UTF-8 prevent using those for line-drawing when the
+# console is in UTF-8 mode.  Taking into account the fact that it took about
+# ten years to provide (and distribute) the 2.6 series' change for SI/SO, the
+# default remains "linux2.2".
+case x$WHICH_LINUX in #(vi
+xauto)
+	system=`uname -s 2>/dev/null`
+	if test "x$system" = xLinux
+	then
+		case x`uname -r` in
+		x1.*)
+			WHICH_LINUX=linux-c
+			;;
+		x2.[0-4]*)
+			WHICH_LINUX=linux2.2
+			;;
+		*)
+			WHICH_LINUX=linux3.0
+			;;
+		esac
+	else
+		WHICH_LINUX=$linux_dft
+	fi
+	;;
+xlinux*)
+	# allow specific setting
+	;;
+*)
+	WHICH_LINUX=$linux_dft
+	;;
+esac
+
+if test $WHICH_LINUX != $linux_dft
+then
+echo "** using $WHICH_LINUX terminal description for Linux console" >&2
 cat <<EOF
 /^# This is Linux console for ncurses/,/^$/{
-	s/use=linux3.0,/use=linux2.2,/
+	s/use=$linux_dft,/use=$WHICH_LINUX,/
 }
 EOF
-		;;
-	esac
 fi