From ef491f78218e255339278656bf6dc26073fef264 Mon Sep 17 00:00:00 2001
From: David Cole <david.cole@kitware.com>
Date: Fri, 4 Jun 2010 13:38:07 -0400
Subject: Allow redirects: set CURLOPT_FOLLOWLOCATION to 1

Enable file(DOWNLOAD ...) to follow redirects. Thanks to
Michael Wild for requesting the addition and providing
the majority of the patch.
---
 Source/cmFileCommand.cxx | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Source/cmFileCommand.cxx b/Source/cmFileCommand.cxx
index 8260cc7..d06014c 100644
--- a/Source/cmFileCommand.cxx
+++ b/Source/cmFileCommand.cxx
@@ -2763,6 +2763,15 @@ cmFileCommand::HandleDownloadCommand(std::vector<std::string>
     return false;
     }
 
+  res = ::curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
+  if (res != CURLE_OK)
+    {
+    std::string errstring = "FILE(DOWNLOAD ) error; cannot set follow-redirect option: ";
+    errstring += ::curl_easy_strerror(res);
+    this->SetError(errstring.c_str());
+    return false;
+    }
+
   if(verboseLog.size())
     {
     res = ::curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
-- 
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