rocr/rocrtst: Update to c++17

runtime/hsa-runtime/CMakeLists.txt

@@ -48,6 +48,7 @@ cmake_minimum_required ( VERSION 3.7 )
 unset ( hsa-runtime64_LIB_DEPENDS CACHE )
 
 set(CMAKE_VERBOSE_MAKEFILE ON)
+set(CMAKE_CXX_STANDARD 17)
 
 ## Set core runtime module name and project name.
 set ( CORE_RUNTIME_NAME "hsa-runtime64" )

runtime/hsa-runtime/cmake_modules/hsa_common.cmake

@@ -51,7 +51,7 @@ if(CMAKE_SIZEOF_VOID_P EQUAL 8)
   set(ONLY64STR "64")
 endif()
 
-set(HSA_COMMON_CXX_FLAGS "-Wall" "-std=c++11")
+set(HSA_COMMON_CXX_FLAGS "-Wall")
 set(HSA_COMMON_CXX_FLAGS ${HSA_COMMON_CXX_FLAGS} "-fPIC")
 if (CMAKE_COMPILER_IS_GNUCXX)
   set(HSA_COMMON_CXX_FLAGS ${HSA_COMMON_CXX_FLAGS} "-Wl,--unresolved-symbols=ignore-in-shared-libs")