[ASCEND] fix build for Ubuntu18.04 and GCC7.3, test=develop (#4397)

* [ASCEND] fix build for Ubuntu18.04 and GCC7.3, test=develop

* [ASCEND] address review comments, test=develop

cmake/device/huawei_ascend_npu.cmake

@@ -16,6 +16,11 @@ if(NOT LITE_WITH_HUAWEI_ASCEND_NPU)
   return()
 endif()
 
+# require -D_GLIBCXX_USE_CXX11_ABI=0 if GCC 7.3.0
+if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 5.0)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_GLIBCXX_USE_CXX11_ABI=0")
+endif()
+
 # 1. path to Huawei Ascend Install Path
 if(NOT DEFINED HUAWEI_ASCEND_NPU_DDK_ROOT)
     set(HUAWEI_ASCEND_NPU_DDK_ROOT $ENV{HUAWEI_ASCEND_NPU_DDK_ROOT})

cmake/external/protobuf.cmake

@@ -217,6 +217,10 @@ FUNCTION(build_protobuf TARGET_NAME BUILD_FOR_HOST)
         SET(OPTIONAL_ARGS ${OPTIONAL_ARGS} "-DCMAKE_GENERATOR_PLATFORM=x64")
     ENDIF()
 
+    IF(LITE_WITH_HUAWEI_ASCEND_NPU)
+        SET(OPTIONAL_ARGS ${OPTIONAL_ARGS} "-DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}")
+    ENDIF()
+
     if(LITE_WITH_LIGHT_WEIGHT_FRAMEWORK)
         ExternalProject_Add(
             ${TARGET_NAME}

lite/kernels/huawei_ascend_npu/bridges/matmul_op.cc

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#include <cmath>
+
 #include "lite/core/subgraph_bridge_registry.h"
 #include "lite/kernels/huawei_ascend_npu/bridges/graph.h"
 #include "lite/kernels/huawei_ascend_npu/bridges/utility.h"

lite/kernels/huawei_ascend_npu/bridges/scale_op.cc

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#include <cmath>
+
 #include "lite/core/subgraph_bridge_registry.h"
 #include "lite/kernels/huawei_ascend_npu/bridges/graph.h"
 #include "lite/kernels/huawei_ascend_npu/bridges/utility.h"

lite/tools/build.sh

@@ -372,7 +372,7 @@ function make_x86 {
   build_directory=$BUILD_DIR/build.lite.x86
 
   if [ ${WITH_HUAWEI_ASCEND_NPU} == "ON" ]; then
-    export CXX=/usr/bin/g++ # Ascend need g++ in centos
+    export CXX=g++ # Huawei Ascend NPU need g++
     build_directory=$BUILD_DIR/build.lite.huawei_ascend_npu
   fi