Reland "[Fuchsia] Enable llvm-driver build".

The MacOS problem has been fixed. Additionally, don't enable the
driver build on Windows. We can look into enabling it later if
symlinks work better than I think on Windows.

Differential Revision: https://reviews.llvm.org/D144287

diff --git a/clang/cmake/caches/Fuchsia-stage2.cmake b/clang/cmake/caches/Fuchsia-stage2.cmake
index 5a7cf6c..8a0d19e 100644 (file)
--- a/clang/cmake/caches/Fuchsia-stage2.cmake
+++ b/clang/cmake/caches/Fuchsia-stage2.cmake
@@ -26,6 +26,8 @@ set(LLVM_USE_RELATIVE_PATHS_IN_FILES ON CACHE BOOL "")
 
 if(WIN32)
   set(LLVM_USE_CRT_RELEASE "MT" CACHE STRING "")
+else()
+  set(LLVM_TOOL_LLVM_DRIVER_BUILD ON CACHE BOOL "")
 endif()
 
 set(CLANG_DEFAULT_CXX_STDLIB libc++ CACHE STRING "")
@@ -292,6 +294,7 @@ set(LLVM_TOOLCHAIN_TOOLS
   llvm-cxxfilt
   llvm-debuginfod-find
   llvm-dlltool
+  llvm-driver
   llvm-dwarfdump
   llvm-dwp
   llvm-ifs