bug#11250: 23.1; Feature: makefile-gmake-mode should have forward-conditional

[Richard Addison-Wood]

  This is a feature request.

  Currently, cc-mode provides useful interactive functions for navigating
  around preprocessor conditionals.  In particular these are very useful:

    c-forward-conditional
    c-backward-conditional
    c-up-conditional

  Sadly, there appear to be no equivalents in makefile-gmake-mode even
  though GNU makefiles have conditionals.

  Of course, I may be mistken and such functionality is available, but I
  have been unable to locate it.


In GNU Emacs 23.1.1 (x86_64-pc-linux-gnu, GTK+ Version 2.20.1)
 of 2011-03-05 on allspice, modified by Debian
Windowing system distributor `The X.Org Foundation', version 11.0.70200000
configured using `configure  '--build=x86_64-linux-gnu' 
'--host=x86_64-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' 
'--libexecdir=/usr/lib' '--localstatedir=/var/lib' '--infodir=/usr/share/info' 
'--mandir=/usr/share/man' '--with-pop=yes' 
'--enable-locallisppath=/etc/emacs23:/etc/emacs:/usr/local/share/emacs/23.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/23.1/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/23.1/leim'
 '--with-x=yes' '--with-x-toolkit=gtk' '--with-toolkit-scroll-bars' 
'build_alias=x86_64-linux-gnu' 'host_alias=x86_64-linux-gnu' 'CFLAGS=-DDEBIAN 
-g -O2' 'LDFLAGS=-g' 'CPPFLAGS=''

Important settings:
  value of $LC_ALL: C
  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: en_NZ.UTF-8
  value of $XMODIFIERS: nil
  locale-coding-system: nil
  default-enable-multibyte-characters: nil

Major mode: GNUmakefile

Minor modes in effect:
  show-paren-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  global-auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
M-x m a k e f i l e - g m a k e - m o d e <return> 
M-x r e p o r t - e m a c s - b u g <return>

Recent messages:
Loading compile...done
Loading grep...done
Loading msb...done
Loading paren...done
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