From 2be6dbe4207cda39b479e7c81d172d49dd67cc38 Mon Sep 17 00:00:00 2001
From: Stephen Kelly <steveire@gmail.com>
Date: Mon, 24 Feb 2014 18:59:11 +0100
Subject: [PATCH] find_dependency: Ensure that ARGV1 has valid local content

The ARGV1 value could come from a wrapping context if find_dependency
is called from a function.
---
 Modules/CMakeFindDependencyMacro.cmake | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Modules/CMakeFindDependencyMacro.cmake b/Modules/CMakeFindDependencyMacro.cmake
index 142130dcf..08c4990c2 100644
--- a/Modules/CMakeFindDependencyMacro.cmake
+++ b/Modules/CMakeFindDependencyMacro.cmake
@@ -29,7 +29,10 @@
 
 macro(find_dependency dep)
   if (NOT ${dep}_FOUND)
-    set(cmake_fd_version ${ARGV1})
+    set(cmake_fd_version)
+    if (${ARGC} GREATER 1)
+      set(cmake_fd_version ${ARGV1})
+    endif()
     set(cmake_fd_exact_arg)
     if(${CMAKE_FIND_PACKAGE_NAME}_FIND_VERSION_EXACT)
       set(cmake_fd_exact_arg EXACT)