[Automake-NG] [FYI] [ng] vars: remove few old redundant variables

[Stefano Lattarini]

* lib/am/header-vars.am (target_triplet, host_triplet, build_triplet):
Remove these, redundant because aliases respectively for the variables
$(target), $(host) and $(build).  See also:
<http://lists.gnu.org/archive/html/automake/2012-07/msg00058.html>
* lib/am/dejagnu.am: Adjust.
* NG-NEWS: Update.

Signed-off-by: Stefano Lattarini <address@hidden>
---
 NG-NEWS               | 5 +++++
 lib/am/dejagnu.am     | 6 +++---
 lib/am/header-vars.am | 5 -----
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/NG-NEWS b/NG-NEWS
index 4e91893..78a6524 100644
--- a/NG-NEWS
+++ b/NG-NEWS
@@ -274,6 +274,11 @@ Obsolete Features Removed
   renamed to '$(am.remake.aclocal-m4)', and should be considered an
   internal detail.
 
+* The variables $(target_triplet), $(host_triplet) and $(build_triplet),
+  which were redundant because aliases respectively for the variables
+  $(target), $(host) and $(build), have been removed.  Simply use this
+  latter variables.
+
 
 Source Files with Unknown Extensions
 ====================================
diff --git a/lib/am/dejagnu.am b/lib/am/dejagnu.am
index cb88949..8c8733d 100644
--- a/lib/am/dejagnu.am
+++ b/lib/am/dejagnu.am
@@ -57,11 +57,11 @@ site.exp: Makefile $(EXTRA_DEJAGNU_SITE_CONFIG)
        @echo "set objdir `pwd`" >>site.tmp
 ## Quote the *_alias variables because they might be empty.
 ?BUILD?        @echo 'set build_alias "$(build_alias)"' >>site.tmp
-?BUILD?        @echo 'set build_triplet $(build_triplet)' >>site.tmp
+?BUILD?        @echo 'set build_triplet $(build)' >>site.tmp
 ?HOST? @echo 'set host_alias "$(host_alias)"' >>site.tmp
-?HOST? @echo 'set host_triplet $(host_triplet)' >>site.tmp
+?HOST? @echo 'set host_triplet $(host)' >>site.tmp
 ?TARGET?       @echo 'set target_alias "$(target_alias)"' >>site.tmp
-?TARGET?       @echo 'set target_triplet $(target_triplet)' >>site.tmp
+?TARGET?       @echo 'set target_triplet $(target)' >>site.tmp
 ## Allow the package author to extend site.exp.
        @list='$(EXTRA_DEJAGNU_SITE_CONFIG)'; for f in $$list; do \
          echo "## Begin content included from file $$f.  Do not modify. ##" \
diff --git a/lib/am/header-vars.am b/lib/am/header-vars.am
index 52457ea..de266d8 100644
--- a/lib/am/header-vars.am
+++ b/lib/am/header-vars.am
@@ -321,8 +321,3 @@ POST_INSTALL = :
 NORMAL_UNINSTALL = :
 PRE_UNINSTALL = :
 POST_UNINSTALL = :
-
-## dejagnu.am uses these variables.  Some users might rely on them too.
-?BUILD?build_triplet = @build@
-?HOST?host_triplet = @host@
-?TARGET?target_triplet = @target@
-- 
1.7.12.rc0