[CMake] Add llvm-ar subdirectory explicitly.

This is required because ExternalProject_Add requires all targets specified in the DEPENDS argument must exist before calling ExternalProject_Add.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247592 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/tools/CMakeLists.txt b/tools/CMakeLists.txt
index aca4350fcb286d07c7f141c99ba8d46469641d96..952e114408ad98a2490ee6667180323eaec23ff9 100644 (file)
--- a/tools/CMakeLists.txt
+++ b/tools/CMakeLists.txt
@@ -30,9 +30,10 @@ if(CYGWIN OR NOT LLVM_ENABLE_PIC)
   set(LLVM_TOOL_LLVM_LTO_BUILD Off)
 endif()
 
-# Add LTO before clang, ExternalProject requires targets specified in DEPENDS
-# to exist before the call to ExternalProject_Add
+# Add LTO and llvm-ar before clang, ExternalProject requires targets specified
+# in DEPENDS to exist before the call to ExternalProject_Add.
 add_llvm_tool_subdirectory(lto)
+add_llvm_tool_subdirectory(llvm-ar)
 
 # Projects supported via LLVM_EXTERNAL_*_SOURCE_DIR need to be explicitly
 # specified.