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bug#6190: 24.0.50; patch to configure emacs to use terminfo on recent Ne

From: enami tsugutomo
Subject: bug#6190: 24.0.50; patch to configure emacs to use terminfo on recent NetBSD.
Date: Fri, 14 May 2010 17:44:13 +0900

On earlier this year, NetBSD have introduced terminfo in its development
tree and termcap library is replaced with small library to provide
minimum compatibility.  Specially, tgetent() is changed not to store
termcap entry in the supplied buffer.  Since emacs termcap code expects
actual entry filled, emacs doesn't work anymore on such system (strlen
call on the buffer returns meaningless value).

I guess it is better to configure emacs to use terminfo instead on
NetBSD which has terminfo.

Here is a changes to configure.in to check availability of terminfo:

=== modified file 'configure.in'
--- configure.in        2010-05-14 03:05:00 +0000
+++ configure.in        2010-05-14 04:00:58 +0000
@@ -2620,7 +2620,7 @@
 ## Use terminfo instead of termcap?
 ## Note only system files NOT using terminfo are:
-## bsd-common, freebsd < 40000, ms-w32, msdos, netbsd, and
+## bsd-common, freebsd < 40000, ms-w32, msdos, netbsd < 599002500, and
 ## darwin|gnu without ncurses.
@@ -2662,13 +2662,22 @@
+  netbsd)
+    if test $ac_cv_search_tputs = -lterminfo; then
+      TERMINFO=yes
+      LIBS_TERMCAP="-lterminfo"
+    else
+      LIBS_TERMCAP="-ltermcap"
+    fi
+    ;;
 case "$opsys" in
   ## hpux: Make sure we get select from libc rather than from libcurses
   ##  because libcurses on HPUX 10.10 has a broken version of select.
   ##  We used to use -lc -lcurses, but this may be cleaner.
-  hpux*|netbsd) LIBS_TERMCAP="-ltermcap" ;;
+  hpux*) LIBS_TERMCAP="-ltermcap" ;;
   openbsd) LIBS_TERMCAP="-lncurses" ;;

In GNU Emacs (x86_64--netbsd)
 of 2010-05-14 on rplaca.sm.sony.co.jp
configured using `configure  'x86_64--netbsd' '--with-x=no' 
'build_alias=x86_64--netbsd' 'host_alias=x86_64--netbsd' 

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: nil
  value of $XMODIFIERS: nil
  locale-coding-system: nil
  default enable-multibyte-characters: t

Major mode: Fundamental

Minor modes in effect:
  file-name-shadow-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t

Recent input:
ESC x r e p o r TAB RET

Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.

Load-path shadows:
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