[Beignet] [PATCH] add support for cross compiler

[Guo Yejun]

Signed-off-by: Guo Yejun <yejun.guo at intel.com>
---
 CMake/FindLLVM.cmake       | 2 +-
 backend/src/CMakeLists.txt | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/CMake/FindLLVM.cmake b/CMake/FindLLVM.cmake
index 97ee7db..556b3a9 100644
--- a/CMake/FindLLVM.cmake
+++ b/CMake/FindLLVM.cmake
@@ -84,7 +84,7 @@ endif (LLVM_VERSION_NODOT VERSION_GREATER 34)
 macro(add_one_lib name)
   FIND_LIBRARY(CLANG_LIB
     NAMES ${name}
-    PATHS ${LLVM_LIBRARY_DIR} )
+    PATHS ${LLVM_LIBRARY_DIR} NO_DEFAULT_PATH)
   set(CLANG_LIBRARIES ${CLANG_LIBRARIES} ${CLANG_LIB})
 	unset(CLANG_LIB CACHE)
 endmacro()
diff --git a/backend/src/CMakeLists.txt b/backend/src/CMakeLists.txt
index 6d0cfa8..2d59644 100644
--- a/backend/src/CMakeLists.txt
+++ b/backend/src/CMakeLists.txt
@@ -58,8 +58,8 @@ set (clang_cmd ${clang_cmd} -fno-builtin -DGEN7_SAMPLER_CLAMP_BORDER_WORKAROUND)
 add_custom_command(
      OUTPUT ${pch_object}
      COMMAND rm -f ${pch_object}
-     COMMAND clang ${clang_cmd} --relocatable-pch -emit-pch -isysroot ${CMAKE_CURRENT_BINARY_DIR} ${ocl_blob_file} -o ${pch_object}
-     COMMAND clang ${clang_cmd} -emit-pch ${ocl_blob_file} -o ${local_pch_object}
+     COMMAND ${CMAKE_BINARY_PATH}clang ${clang_cmd} --relocatable-pch -emit-pch -isysroot ${CMAKE_CURRENT_BINARY_DIR} ${ocl_blob_file} -o ${pch_object}
+     COMMAND ${CMAKE_BINARY_PATH}clang ${clang_cmd} -emit-pch ${ocl_blob_file} -o ${local_pch_object}
      DEPENDS ${ocl_blob_file}
      )
 
@@ -71,14 +71,14 @@ macro(ll_add_library ll_lib ll_sources)
   add_custom_command(
        OUTPUT  ${ll}.bc
        COMMAND rm -f ${ll}.bc
-       COMMAND llvm-as -o ${ll}.bc ${GBE_SOURCE_DIR}/src/${ll}
+       COMMAND ${CMAKE_BINARY_PATH}llvm-as -o ${ll}.bc ${GBE_SOURCE_DIR}/src/${ll}
        DEPENDS ${ll}
        )
   set (ll_objects ${ll_objects} ${ll}.bc)
   endforeach (ll ${ll_sources})
   add_custom_command(
        OUTPUT ${ll_lib}
-       COMMAND llvm-link -o ${ll_lib} ${ll_objects}
+       COMMAND ${CMAKE_BINARY_PATH}llvm-link -o ${ll_lib} ${ll_objects}
        DEPENDS ${ll_objects}
        )
   add_custom_target(${ll_lib}
-- 
1.8.3.2