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Fix cflags D_GLIBCXX_USE_CXX11_ABI takes no effect problem in customized op #37878

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Dec 7, 2021
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Fix cflags D_GLIBCXX_USE_CXX11_ABI takes no effect problem in customized op #37878

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2 changes: 1 addition & 1 deletion python/paddle/utils/cpp_extension/cpp_extension.py
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Original file line number Diff line number Diff line change
Expand Up @@ -440,7 +440,7 @@ def unix_custom_single_compiler(obj, src, ext, cc_args, extra_postargs,
# so we add this flag to ensure the symbol names from user compiled
# 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)
add_compile_flag(cflags, ['-D_GLIBCXX_USE_CXX11_ABI=1'])
# Append this macor only when jointly compiling .cc with .cu
if not is_cuda_file(src) and self.contain_cuda_file:
if core.is_compiled_with_rocm():
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