Enable in-tree builds of parallel-libs.

Summary:
parallel-libs needs its own changes to make this work; these are just
the LLVM changes.

Reviewers: jhen

Subscribers: llvm-commits, beanz, jprice

Differential Revision: https://reviews.llvm.org/D24402

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281097 91177308-0d34-0410-b5e6-96231b3b80d8

projects/CMakeLists.txt

@@ -9,7 +9,8 @@ foreach(entry ${entries})
        (NOT ${entry} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR}/libcxx) AND
        (NOT ${entry} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR}/libcxxabi) AND
        (NOT ${entry} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR}/libunwind) AND
-       (NOT ${entry} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR}/test-suite))
+       (NOT ${entry} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR}/test-suite) AND
+       (NOT ${entry} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR}/parallel-libs))
       add_subdirectory(${entry})
     endif()
   endif()
@@ -33,3 +34,4 @@ if(${LLVM_BUILD_RUNTIME})
 endif()
 
 add_llvm_external_project(dragonegg)
+add_llvm_external_project(parallel-libs)