Fix HIP_HIPCC_FLAGS

HIP_HIPCC_FLAGS is defined as a list with generator expression
in FindHIP.cmake. It should be treated as a list in caffe cmake
files. Also target_compile_options needs to be used since
set_target_properties does not support generator expression.

Author: yxsamliu

caffe2/CMakeLists.txt

@@ -359,7 +359,7 @@ if(USE_ROCM)
   hip_add_library(caffe2_hip ${Caffe2_HIP_SRCS})
 
   # Since PyTorch files contain HIP headers, these flags are required for the necessary definitions to be added.
-  set_target_properties(caffe2_hip PROPERTIES COMPILE_FLAGS ${HIP_HIPCC_FLAGS})
+  target_compile_options(caffe2_hip PRIVATE ${HIP_HIPCC_FLAGS})
   target_link_libraries(caffe2_hip PUBLIC caffe2)
   target_link_libraries(caffe2_hip PUBLIC ${Caffe2_HIP_DEPENDENCY_LIBS})
 
@@ -554,7 +554,7 @@ if (BUILD_PYTHON)
   if(USE_ROCM)
     hip_add_library(caffe2_pybind11_state_hip MODULE ${Caffe2_HIP_PYTHON_SRCS})
     set_target_properties(caffe2_pybind11_state_hip PROPERTIES LINKER_LANGUAGE HIP)
-    set_target_properties(caffe2_pybind11_state_hip PROPERTIES COMPILE_FLAGS "${HIP_HIPCC_FLAGS} -fvisibility=hidden")
+    target_compile_options(caffe2_pybind11_state_hip PRIVATE ${HIP_HIPCC_FLAGS} -fvisibility=hidden)
     set_target_properties(caffe2_pybind11_state_hip PROPERTIES PREFIX "")
     set_target_properties(caffe2_pybind11_state_hip PROPERTIES SUFFIX ${PY_EXT_SUFFIX})
     if (APPLE)

cmake/Dependencies.cmake

@@ -534,17 +534,17 @@ if(NOT BUILD_ATEN_MOBILE)
     message(INFO "Compiling with HIP for AMD.")
     caffe2_update_option(USE_ROCM ON)
 
-    set(HIP_HIPCC_FLAGS "${HIP_HIPCC_FLAGS} -fPIC")
-    set(HIP_HIPCC_FLAGS "${HIP_HIPCC_FLAGS} -D__HIP_PLATFORM_HCC__=1")
-    set(HIP_HIPCC_FLAGS "${HIP_HIPCC_FLAGS} -DCUDA_HAS_FP16=1")
-    set(HIP_HIPCC_FLAGS "${HIP_HIPCC_FLAGS} -D__HIP_NO_HALF_OPERATORS__=1")
-    set(HIP_HIPCC_FLAGS "${HIP_HIPCC_FLAGS} -D__HIP_NO_HALF_CONVERSIONS__=1")
-    set(HIP_HIPCC_FLAGS "${HIP_HIPCC_FLAGS} -Wno-macro-redefined")
-    set(HIP_HIPCC_FLAGS "${HIP_HIPCC_FLAGS} -Wno-inconsistent-missing-override")
-    set(HIP_HIPCC_FLAGS "${HIP_HIPCC_FLAGS} -Wno-exceptions")
-    set(HIP_HIPCC_FLAGS "${HIP_HIPCC_FLAGS} -Wno-shift-count-negative")
-    set(HIP_HIPCC_FLAGS "${HIP_HIPCC_FLAGS} -Wno-shift-count-overflow")
-    set(HIP_HIPCC_FLAGS "${HIP_HIPCC_FLAGS} -Wno-unused-command-line-argument")
+    list(APPEND HIP_HIPCC_FLAGS -fPIC)
+    list(APPEND HIP_HIPCC_FLAGS -D__HIP_PLATFORM_HCC__=1)
+    list(APPEND HIP_HIPCC_FLAGS -DCUDA_HAS_FP16=1)
+    list(APPEND HIP_HIPCC_FLAGS -D__HIP_NO_HALF_OPERATORS__=1)
+    list(APPEND HIP_HIPCC_FLAGS -D__HIP_NO_HALF_CONVERSIONS__=1)
+    list(APPEND HIP_HIPCC_FLAGS -Wno-macro-redefined)
+    list(APPEND HIP_HIPCC_FLAGS -Wno-inconsistent-missing-override)
+    list(APPEND HIP_HIPCC_FLAGS -Wno-exceptions)
+    list(APPEND HIP_HIPCC_FLAGS -Wno-shift-count-negative)
+    list(APPEND HIP_HIPCC_FLAGS -Wno-shift-count-overflow)
+    list(APPEND HIP_HIPCC_FLAGS -Wno-unused-command-line-argument)
 
     set(Caffe2_HIP_INCLUDES
       ${hip_INCLUDE_DIRS} ${hcc_INCLUDE_DIRS} ${hsa_INCLUDE_DIRS} ${rocrand_INCLUDE_DIRS} ${hiprand_INCLUDE_DIRS} ${rocblas_INCLUDE_DIRS} ${miopen_INCLUDE_DIRS} ${thrust_INCLUDE_DIRS} $<INSTALL_INTERFACE:include> ${Caffe2_HIP_INCLUDES})