[CMake] Use libc++ and compiler-rt for bootstrap Fuchsia Clang

We want to build the second stage compiler with libc++ and compiler-rt,
also include builtins and runtimes into extra bootstrap components to
ensure these get built.

Differential Revision: https://reviews.llvm.org/D47356

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@334445 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/cmake/caches/Fuchsia.cmake b/cmake/caches/Fuchsia.cmake
index 3055e8d5d356044eb55f70cf41b1df1d19fdc8a1..ee7b69bc2962606495021ecd69fcf6677fa67122 100644 (file)
--- a/cmake/caches/Fuchsia.cmake
+++ b/cmake/caches/Fuchsia.cmake
@@ -21,6 +21,9 @@ if(NOT APPLE)
   set(BOOTSTRAP_LLVM_ENABLE_LLD ON CACHE BOOL "")
 endif()
 
+set(CLANG_DEFAULT_CXX_STDLIB libc++ CACHE STRING "")
+set(CLANG_DEFAULT_RTLIB compiler-rt CACHE STRING "")
+
 if(APPLE)
   set(COMPILER_RT_ENABLE_IOS OFF CACHE BOOL "")
   set(COMPILER_RT_ENABLE_TVOS OFF CACHE BOOL "")
@@ -51,6 +54,10 @@ endforeach()
 
 # Setup the bootstrap build.
 set(CLANG_ENABLE_BOOTSTRAP ON CACHE BOOL "")
+set(CLANG_BOOTSTRAP_EXTRA_DEPS
+  builtins
+  runtimes
+  CACHE STRING "")
 set(CLANG_BOOTSTRAP_CMAKE_ARGS
   ${EXTRA_ARGS}
   -C ${CMAKE_CURRENT_LIST_DIR}/Fuchsia-stage2.cmake