juliusshufan opened a new issue #10168: CPP test case fails to compile using gcc 4.8.5 when MKLDNN enabled URL: https://github.com/apache/incubator-mxnet/issues/10168 ## Description When compiling the CPP test cases using GCC 4.8.5 with MKLDNN enabled, a compiling error will be raised as below: tests/cpp/operator/mkldnn.cc:37:10: error: ‘align’ is not a member of ‘std’ ret2 = std::align(alignment, size, mem, space2); This is because std::align requires GCC 5.0 or above, since the minimum requirement for MXNET is gcc 4.8, it is supposed std::align should not be replaced. ## Environment info (Required) CentOS 7.2 64bit ``` What to do: 1. Download the diagnosis script from https://raw.githubusercontent.com/apache/incubator-mxnet/master/tools/diagnose.py 2. Run the script using `python diagnose.py` and paste its output here. ``` Package used (Python/R/Scala/Julia): Python ## Build info (Required if built from source) make -j($nproc) USE_MKLDNN=1 USE_BLAS=mkl test Compiler (gcc/clang/mingw/visual studio): GCC 4.8.5 MXNet commit hash: (Paste the output of `git rev-parse HEAD` here.) Build config: (Paste the content of config.mk, or the build command.) ## Error Message: Compiling error: tests/cpp/operator/mkldnn.cc:37:10: error: ‘align’ is not a member of ‘std’ ret2 = std::align(alignment, size, mem, space2); ## Steps to reproduce (Paste the commands you ran that produced the error.) make -j($nproc) USE_MKLDNN=1 USE_BLAS=mkl USE_OPENCV=1 test
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