File cxx-flags.patch of Package xtensor-python

Index: xtensor-python-0.27.0/test/CMakeLists.txt
===================================================================
--- xtensor-python-0.27.0.orig/test/CMakeLists.txt
+++ xtensor-python-0.27.0/test/CMakeLists.txt
@@ -30,7 +30,7 @@ include(CheckCXXCompilerFlag)
 string(TOUPPER "${CMAKE_BUILD_TYPE}" U_CMAKE_BUILD_TYPE)
 
 if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Intel")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native -Wunused-parameter -Wextra -Wreorder -Wconversion -fvisibility=hidden")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wunused-parameter -Wextra -Wreorder -Wconversion -fvisibility=hidden")
     CHECK_CXX_COMPILER_FLAG("-std=c++14" HAS_CPP14_FLAG)
 
     if (HAS_CPP14_FLAG)