[libcxx] r244717 - Fix CMake error whet llvm-config reports a non-existent source directory.

[Eric Fiselier via cfe-commits]

Author: ericwf
Date: Wed Aug 12 01:36:19 2015
New Revision: 244717

URL: http://llvm.org/viewvc/llvm-project?rev=244717&view=rev
Log:
Fix CMake error whet llvm-config reports a non-existent source directory.

Modified:
    libcxx/trunk/cmake/Modules/HandleOutOfTreeLLVM.cmake

Modified: libcxx/trunk/cmake/Modules/HandleOutOfTreeLLVM.cmake
URL: 
http://llvm.org/viewvc/llvm-project/libcxx/trunk/cmake/Modules/HandleOutOfTreeLLVM.cmake?rev=244717&r1=244716&r2=244717&view=diff
==============================================================================
--- libcxx/trunk/cmake/Modules/HandleOutOfTreeLLVM.cmake (original)
+++ libcxx/trunk/cmake/Modules/HandleOutOfTreeLLVM.cmake Wed Aug 12 01:36:19 
2015
@@ -42,11 +42,15 @@ macro(find_llvm_parts)
   endif()
 
   if (NOT EXISTS ${LLVM_MAIN_SRC_DIR})
-    message(FATAL_ERROR "Not found: ${LLVM_MAIN_SRC_DIR}")
+    set(LLVM_FOUND OFF)
+    message(WARNING "Not found: ${LLVM_MAIN_SRC_DIR}")
+    return()
   endif()
 
   if(NOT EXISTS ${LLVM_CMAKE_PATH})
-    message(FATAL_ERROR "Not found: ${LLVM_CMAKE_PATH}")
+    set(LLVM_FOUND OFF)
+    message(WARNING "Not found: ${LLVM_CMAKE_PATH}")
+    return()
   endif()
 
   list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}")


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