Index: cmake/caches/Android-stage2.cmake
===================================================================
--- /dev/null
+++ cmake/caches/Android-stage2.cmake
@@ -0,0 +1,21 @@
+set(LLVM_TARGETS_TO_BUILD X86;ARM;AArch64 CACHE STRING "")
+
+set(CLANG_VENDOR Android CACHE STRING "")
+set(CMAKE_BUILT_TYPE RELEASE CACHE STRING "")
+set(LLVM_ENABLE_THREADS OFF CACHE BOOL "")
+set(LLVM_ENABLE_ASSERTIONS ON CACHE BOOL "")
+
+set(LLVM_RUNTIME_TARGETS "i686-linux-android;x86_64-linux-android;aarch64-linux-android;armv7-linux-android" CACHE STRING "")
+
+foreach(target i686;x86_64;aarch64;armv7)
+  set(RUNTIMES_${target}-linux-android_ANDROID 1 CACHE STRING "")
+  set(RUNTIMES_${target}-linux-android_CMAKE_ASM_FLAGS ${Android_${target}_C_FLAGS} CACHE PATH "")
+  set(RUNTIMES_${target}-linux-android_CMAKE_C_FLAGS ${Android_${target}_C_FLAGS} CACHE PATH "")
+  set(RUNTIMES_${target}-linux-android_CMAKE_CXX_FLAGS ${Android_${target}_CXX_FLAGS} CACHE PATH "")
+  set(RUNTIMES_${target}-linux-android_CMAKE_SYSROOT ${Android_${target}_SYSROOT} CACHE PATH "")
+  set(RUNTIMES_${target}-linux-android_COMPILER_RT_ENABLE_WERROR ON CACHE BOOL "")
+  set(RUNTIMES_${target}-linux-android_COMPILER_RT_INCLUDE_TESTS OFF CACHE BOOL "")
+  set(RUNTIMES_${target}-linux-android_LLVM_ENABLE_ASSERTIONS ON CACHE BOOL "")
+  set(RUNTIMES_${target}-linux-android_LLVM_ENABLE_THREADS OFF CACHE BOOL "")
+  set(RUNTIMES_${target}-linux-android_LLVM_INCLUDE_TESTS OFF CACHE BOOL "")
+endforeach()
Index: cmake/caches/Android.cmake
===================================================================
--- /dev/null
+++ cmake/caches/Android.cmake
@@ -0,0 +1,31 @@
+# This file sets up a CMakeCache for an Android toolchain build.
+
+set(LLVM_TARGETS_TO_BUILD X86 CACHE STRING "")
+
+set(CLANG_ENABLE_ARCMT OFF CACHE BOOL "")
+set(CLANG_ENABLE_STATIC_ANALYZER OFF CACHE BOOL "")
+set(CMAKE_BUILD_TYPE RELEASE CACHE STRING "")
+set(LLVM_BUILD_TOOLS OFF CACHE BOOL "")
+set(LLVM_BUILD_RUNTIME OFF CACHE BOOL "")
+set(LLVM_ENABLE_ASSERTIONS ON CACHE BOOL "")
+set(LLVM_ENABLE_THREADS OFF CACHE BOOL "")
+set(LLVM_TOOL_CLANG_TOOLS_EXTRA_BUILD OFF CACHE BOOL "")
+set(LLVM_TOOL_OPENMP_BUILD OFF CACHE BOOL "")
+
+set(CLANG_VENDOR Android CACHE STRING "")
+
+foreach(target i686;x86_64;aarch64;armv7)
+  if (Android_${target}_C_FLAGS)
+    list(APPEND EXTRA_ARGS -DAndroid_${target}_C_FLAGS=${Android_${target}_C_FLAGS})
+  endif()
+  if (Android_${target}_SYSROOT)
+    list(APPEND EXTRA_ARGS -DAndroid_${target}_SYSROOT=${Android_${target}_SYSROOT})
+  endif()
+  if (Android_${target}_CXX_FLAGS)
+    list(APPEND EXTRA_ARGS -DAndroid_${target}_CXX_FLAGS=${Android_${target}_CXX_FLAGS})
+  endif()
+endforeach()
+
+
+set(CLANG_ENABLE_BOOTSTRAP ON CACHE BOOL "")
+set(CLANG_BOOTSTRAP_CMAKE_ARGS "${EXTRA_ARGS} -C${CMAKE_CURRENT_LIST_DIR}/Android-stage2.cmake" CACHE STRING "")