[SCM] GNU Autoconf source repository branch, master, updated. v2.68-114-g75a5ef5

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- Log -----------------------------------------------------------------
commit 75a5ef5c889bc7db3d560034338e99b2fc88f846
Author: Jim Meyering <[email protected]>
Date:   Sun Jan 15 17:16:52 2012 +0100

    avoid new warning about undefined $ARGV[0]
    
    * lib/Autom4te/General.pm (getopt): Avoid warning induced by
    yesterday's change: $ARGV[0] may not be defined, e.g., when
    invoked via autoreconf.

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog               |    7 +++++++
 lib/Autom4te/General.pm |    2 +-
 2 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index c5ccc04..2ab830e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2012-01-15  Jim Meyering  <[email protected]>
+
+	avoid new warning about undefined $ARGV[0]
+	* lib/Autom4te/General.pm (getopt): Avoid warning induced by
+	yesterday's change: $ARGV[0] may not be defined, e.g., when
+	invoked via autoreconf.
+
 2011-01-14  Stefano Lattarini  <[email protected]>
 
 	getopt: fix diagnostic for missing mandatory option argument
diff --git a/lib/Autom4te/General.pm b/lib/Autom4te/General.pm
index 5b48005..2379ce3 100644
--- a/lib/Autom4te/General.pm
+++ b/lib/Autom4te/General.pm
@@ -270,7 +270,7 @@ sub getopt (%)
   # FIXME: Lot of code duplication with automake here.  It would probably
   # be best to generalize our getopt() func and rip it out in a new module
   # from which automake can sync.
-  if ($ARGV[0] =~ /^-./)
+  if (defined $ARGV[0] && $ARGV[0] =~ /^-./)
     {
       my %argopts;
       for my $k (keys %option)


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