[CMake] Check runtimes subdir when looking for libcxx and libuwind

The runtimes subdir is the new location for runtimes, we should
include it when looking for libcxx and libunwind headers.

Differential Revision: https://reviews.llvm.org/D26362

llvm-svn: 286614

1 files changed, 14 insertions, 4 deletions

diff --git a/libcxxabi/CMakeLists.txt b/libcxxabi/CMakeLists.txt
index dcfdf0f550d..77f4202d2e4 100644
--- a/libcxxabi/CMakeLists.txt
+++ b/libcxxabi/CMakeLists.txt
@@ -138,18 +138,26 @@ if (NOT LIBCXXABI_ENABLE_SHARED AND NOT LIBCXXABI_ENABLE_STATIC)
 endif()
 
 if (LLVM_EXTERNAL_LIBCXX_SOURCE_DIR)
-  set(LIBCXXABI_LIBCXX_SRC_DIR ${LLVM_EXTERNAL_LIBCXX_SOURCE_DIR})
+  set(LIBCXXABI_LIBCXX_SRC_DIRS ${LLVM_EXTERNAL_LIBCXX_SOURCE_DIR})
 else()
-  set(LIBCXXABI_LIBCXX_SRC_DIR ${LLVM_MAIN_SRC_DIR}/projects/libcxx)
+  set(LIBCXXABI_LIBCXX_SRC_DIRS
+    "${LLVM_MAIN_SRC_DIR}/projects/libcxx"
+    "${LLVM_MAIN_SRC_DIR}/runtimes/libcxx"
+    )
 endif()
 
+set(LIBCXXABI_LIBCXX_INCLUDE_DIRS "")
+foreach(dir ${LIBCXXABI_LIBCXX_SRC_DIRS})
+  list(APPEND LIBCXXABI_LIBCXX_INCLUDE_DIRS "${dir}/include")
+endforeach()
+
 find_path(
   LIBCXXABI_LIBCXX_INCLUDES
   vector
   PATHS ${LIBCXXABI_LIBCXX_INCLUDES}
         ${LIBCXXABI_LIBCXX_PATH}/include
         ${CMAKE_BINARY_DIR}/${LIBCXXABI_LIBCXX_INCLUDES}
-        ${LIBCXXABI_LIBCXX_SRC_DIR}/include
+        ${LIBCXXABI_LIBCXX_INCLUDE_DIRS}
         ${LLVM_INCLUDE_DIR}/c++/v1
   )
 
@@ -161,7 +169,7 @@ find_path(
   test/libcxx/__init__.py
   PATHS ${LIBCXXABI_LIBCXX_PATH}
         ${LIBCXXABI_LIBCXX_INCLUDES}/../
-        ${LIBCXXABI_LIBCXX_SRC_DIR}
+        ${LIBCXXABI_LIBCXX_SRC_DIRS}
   NO_DEFAULT_PATH
   )
 
@@ -380,6 +388,7 @@ if (LIBCXXABI_USE_LLVM_UNWINDER OR LLVM_NATIVE_ARCH MATCHES ARM)
           ${LIBCXXABI_LIBUNWIND_PATH}/include
           ${CMAKE_BINARY_DIR}/${LIBCXXABI_LIBUNWIND_INCLUDES}
           ${LLVM_MAIN_SRC_DIR}/projects/libunwind/include
+          ${LLVM_MAIN_SRC_DIR}/runtimes/libunwind/include
     NO_DEFAULT_PATH
   )
 
@@ -389,6 +398,7 @@ if (LIBCXXABI_USE_LLVM_UNWINDER OR LLVM_NATIVE_ARCH MATCHES ARM)
     PATHS ${LIBCXXABI_LIBUNWIND_PATH}/src/
           ${LIBCXXABI_LIBUNWIND_INCLUDES}/../src/
           ${LLVM_MAIN_SRC_DIR}/projects/libunwind/src/
+          ${LLVM_MAIN_SRC_DIR}/runtimes/libunwind/src/
     NO_DEFAULT_PATH
   )