automake: remove an unused variable

* automake.in ($canonical_location): This.
(scan_autoconf_traces): Don't initialize it.

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

diff --git a/automake.in b/automake.in
index e32b761..1a94c04 100644 (file)
--- a/automake.in
+++ b/automake.in
@@ -370,8 +370,6 @@ my $libtool_new_api = 0;
 
 # Most important AC_CANONICAL_* macro seen so far.
 my $seen_canonical = 0;
-# Location of that macro.
-my $canonical_location;
 
 # Where AM_MAINTAINER_MODE appears.
 my $seen_maint_mode;
@@ -5302,7 +5300,6 @@ sub scan_autoconf_traces ($)
          if ($seen_canonical <= AC_CANONICAL_BUILD)
            {
              $seen_canonical = AC_CANONICAL_BUILD;
-             $canonical_location = $where;
            }
        }
       elsif ($macro eq 'AC_CANONICAL_HOST')
@@ -5310,13 +5307,11 @@ sub scan_autoconf_traces ($)
          if ($seen_canonical <= AC_CANONICAL_HOST)
            {
              $seen_canonical = AC_CANONICAL_HOST;
-             $canonical_location = $where;
            }
        }
       elsif ($macro eq 'AC_CANONICAL_TARGET')
        {
          $seen_canonical = AC_CANONICAL_TARGET;
-         $canonical_location = $where;
        }
       elsif ($macro eq 'AC_CONFIG_AUX_DIR')
        {