Fix for error: invalid argument '-std=c++17' not allowed with 'C'
https://github.com/pytorch/pytorch/issues/103222
--- a/c10/hip/CMakeLists.txt
+++ b/c10/hip/CMakeLists.txt
@@ -30,6 +30,7 @@ hip_add_library(c10_hip ${C10_HIP_SRCS} ${C10_HIP_HEADERS})
 
 # Propagate HIP_CXX_FLAGS that were set from Dependencies.cmake
 target_compile_options(c10_hip PRIVATE ${HIP_CXX_FLAGS})
+set_target_properties(c10_hip PROPERTIES CXX_STANDARD 17 CXX_EXTENSIONS OFF)
 
 # caffe2_hip adds a bunch of dependencies like rocsparse, but c10/hip is supposed to be
 # minimal.  I'm not sure if we need hip_hcc or not; for now leave it out
--- a/caffe2/CMakeLists.txt
+++ b/caffe2/CMakeLists.txt
@@ -1712,6 +1712,7 @@ if(USE_ROCM)
 
   # Since PyTorch files contain HIP headers, these flags are required for the necessary definitions to be added.
   target_compile_options(torch_hip PUBLIC ${HIP_CXX_FLAGS})  # experiment
+  set_target_properties(torch_hip PROPERTIES CXX_STANDARD 17 CXX_EXTENSIONS OFF)
   target_link_libraries(torch_hip PUBLIC c10_hip)
 
   if(NOT INTERN_BUILD_MOBILE)
@@ -1908,6 +1909,7 @@ if(BUILD_TEST)
       target_include_directories(${test_name} PRIVATE $<INSTALL_INTERFACE:include>)
       target_include_directories(${test_name} PRIVATE ${Caffe2_CPU_INCLUDE} ${Caffe2_HIP_INCLUDE})
       target_compile_options(${test_name} PRIVATE ${HIP_CXX_FLAGS})
+      set_target_properties(${test_name} PROPERTIES CXX_STANDARD 17 CXX_EXTENSIONS OFF)
       add_test(NAME ${test_name} COMMAND $<TARGET_FILE:${test_name}>)
       if(INSTALL_TEST)
         install(TARGETS ${test_name} DESTINATION test)
@@ -2092,6 +2094,7 @@ if(BUILD_PYTHON)
     endif()
     if(NOT MSVC)
       target_compile_options(caffe2_pybind11_state_hip PRIVATE ${HIP_CXX_FLAGS} -fvisibility=hidden)
+      set_target_properties(caffe2_pybind11_state_hip PROPERTIES CXX_STANDARD 17 CXX_EXTENSIONS OFF)
     endif()
     set_target_properties(caffe2_pybind11_state_hip PROPERTIES PREFIX "")
     set_target_properties(caffe2_pybind11_state_hip PROPERTIES SUFFIX ${PY_EXT_SUFFIX})
--- a/cmake/Dependencies.cmake
+++ b/cmake/Dependencies.cmake
@@ -1278,7 +1278,6 @@
     list(APPEND HIP_CXX_FLAGS -Wno-duplicate-decl-specifier)
     list(APPEND HIP_CXX_FLAGS -DCAFFE2_USE_MIOPEN)
     list(APPEND HIP_CXX_FLAGS -DTHRUST_DEVICE_SYSTEM=THRUST_DEVICE_SYSTEM_HIP)
-    list(APPEND HIP_CXX_FLAGS -std=c++17)
     if(ROCM_VERSION_DEV VERSION_GREATER_EQUAL "6.0.0")
       list(APPEND HIP_CXX_FLAGS -DHIPBLAS_V2)
     endif()
--- a/cmake/public/utils.cmake
+++ b/cmake/public/utils.cmake
@@ -335,6 +335,7 @@ function(caffe2_hip_binary_target target_name_or_src)
   caffe2_binary_target(${target_name_or_src})
 
   target_compile_options(${__target} PRIVATE ${HIP_CXX_FLAGS})
+  set_target_properties(${__target} PROPERTIES CXX_STANDARD 17 CXX_EXTENSIONS OFF)
   target_include_directories(${__target} PRIVATE ${Caffe2_HIP_INCLUDE})
 endfunction()
 
--- a/modules/detectron/CMakeLists.txt
+++ b/modules/detectron/CMakeLists.txt
@@ -31,6 +31,7 @@ if(BUILD_CAFFE2_OPS)
         ${Detectron_CPU_SRCS}
         ${Detectron_HIP_SRCS})
     target_compile_options(caffe2_detectron_ops_hip PRIVATE ${HIP_CXX_FLAGS})
+    set_target_properties(caffe2_detectron_ops_hip PROPERTIES CXX_STANDARD 17 CXX_EXTENSIONS OFF)
     if(USE_MKLDNN)
       target_link_libraries(caffe2_detectron_ops_hip PRIVATE caffe2::mkldnn)
     endif()