From d9f3ae98202c803e9b84d70e8ad580d270410bf3 Mon Sep 17 00:00:00 2001
From: Chris Bieneman <beanz@apple.com>
Date: Fri, 20 Nov 2015 22:08:49 +0000
Subject: [PATCH] [CMake] Fix handling of passing through semi-colon separated
 lists.

When passing around CMake arguments as lists of arguments any arguments containing lists need to have their semi-colons escaped otherwise CMake will split the arguments in the middle.

llvm-svn: 253719
---
 cmake/modules/LLVMExternalProjectUtils.cmake | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cmake/modules/LLVMExternalProjectUtils.cmake b/cmake/modules/LLVMExternalProjectUtils.cmake
index 63178ce6906..01d5e337b8d 100644
--- a/cmake/modules/LLVMExternalProjectUtils.cmake
+++ b/cmake/modules/LLVMExternalProjectUtils.cmake
@@ -93,8 +93,9 @@ function(llvm_ExternalProject_Add name source_dir)
   get_cmake_property(variableNames VARIABLES)
   foreach(varaibleName ${variableNames})
     if(varaibleName MATCHES "^${nameCanon}")
+      string(REPLACE ";" "\;" value "${${varaibleName}}")
       list(APPEND PASSTHROUGH_VARIABLES
-        -D${varaibleName}=${${varaibleName}})
+        -D${varaibleName}=${${value}})
     endif()
   endforeach()