diff --git a/python/paddle/utils/cpp_extension/cpp_extension.py b/python/paddle/utils/cpp_extension/cpp_extension.py index b05d3505f70f4..19fa84046ed2d 100644 --- a/python/paddle/utils/cpp_extension/cpp_extension.py +++ b/python/paddle/utils/cpp_extension/cpp_extension.py @@ -355,6 +355,8 @@ def __init__(self, *args, **kwargs): super(BuildExtension, self).__init__(*args, **kwargs) self.no_python_abi_suffix = kwargs.get("no_python_abi_suffix", True) self.output_dir = kwargs.get("output_dir", None) + # whether containing cuda source file in Extensions + self.contain_cuda_file = False def initialize_options(self): super(BuildExtension, self).initialize_options() @@ -432,8 +434,8 @@ def unix_custom_single_compiler(obj, src, ext, cc_args, extra_postargs, # shared library have same ABI suffix with core_(no)avx.so. # See https://stackoverflow.com/questions/34571583/understanding-gcc-5s-glibcxx-use-cxx11-abi-or-the-new-abi add_compile_flag(['-D_GLIBCXX_USE_CXX11_ABI=1'], cflags) - - if not is_cuda_file(src): + # Append this macor only when jointly compiling .cc with .cu + if not is_cuda_file(src) and self.contain_cuda_file: cflags.append('-DPADDLE_WITH_CUDA') add_std_without_repeat( @@ -509,6 +511,9 @@ def win_custom_spawn(cmd): elif isinstance(self.cflags, list): cflags = MSVC_COMPILE_FLAGS + self.cflags cmd += cflags + # Append this macor only when jointly compiling .cc with .cu + if not is_cuda_file(src) and self.contain_cuda_file: + cmd.append('-DPADDLE_WITH_CUDA') return original_spawn(cmd) @@ -636,6 +641,8 @@ def _record_op_info(self): for i, extension in enumerate(self.extensions): sources = [os.path.abspath(s) for s in extension.sources] + if not self.contain_cuda_file: + self.contain_cuda_file = any([is_cuda_file(s) for s in sources]) op_names = parse_op_name_from(sources) for op_name in op_names: