From f84bc2f51a1a81b7c7c14f1ed0a2d56b4d70fa40 Mon Sep 17 00:00:00 2001
From: Chris Conway <clconway@google.com>
Date: Tue, 1 Dec 2015 11:36:07 -0800
Subject: [PATCH] Adds attempt to download config.guess to get-antlr-3.4
 script.

This should work around the case where autogen.sh hasn't been run,
as long as the download succeeds.
---
 contrib/get-antlr-3.4 | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/contrib/get-antlr-3.4 b/contrib/get-antlr-3.4
index 436ef6a8d..6a36681cb 100755
--- a/contrib/get-antlr-3.4
+++ b/contrib/get-antlr-3.4
@@ -27,11 +27,17 @@ function webget {
 
 if [ -z "${MACHINE_TYPE}" ]; then
   if ! [ -e config/config.guess ]; then
-   echo "$(basename $0): I need the file config/config.guess to tell MACHINE_TYPE" >&2
-   echo "Try running ./autogen.sh, or set the MACHINE_TYPE environment variable." >&2
-   exit 1
+    # Attempt to download once
+    webget 'http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD' config/config.guess
+   if [ -e config/config.guess ]; then
+     chmod +x config/config.guess
+        else
+     echo "$(basename $0): I need the file config/config.guess to tell MACHINE_TYPE" >&2
+     echo "Try running ./autogen.sh, or set the MACHINE_TYPE environment variable" >&2
+     echo "(e.g., \"export MACHINE_TYPE=x86_64\")." >&2
+     exit 1
+    fi
   fi
-
   # get first nibble from config.guess (x86_64, i686, ...)
   MACHINE_TYPE=`config/config.guess | sed 's,-.*,,'`
 fi
-- 
2.30.2