gnulib: update submodule to latest, and bootstrap

* gnulib: Update submodule.
* bootstrap: Update from gnulib.

1 files changed, 9 insertions, 1 deletions

diff --git a/bootstrap b/bootstrap
index 29efb3fd..ce90bc41 100755
--- a/bootstrap
+++ b/bootstrap
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Print a version string.
-scriptversion=2013-08-15.22; # UTC
+scriptversion=2013-12-05.23; # UTC
 
 # Bootstrap this package from checked-out sources.
 
@@ -551,6 +551,14 @@ if ! printf "$buildreq" | check_versions; then
   fi
 fi
 
+# Warn the user if autom4te appears to be broken; this causes known
+# issues with at least gettext 0.18.3.
+probe=$(echo 'm4_quote([hi])' | autom4te -l M4sugar -t 'm4_quote:$%' -)
+if test "x$probe" != xhi; then
+  warn_ "WARNING: your autom4te wrapper eats stdin;"
+  warn_ "if bootstrap fails, consider upgrading your autotools"
+fi
+
 echo "$0: Bootstrapping from checked-out $package sources..."
 
 # See if we can use gnulib's git-merge-changelog merge driver.