* make third_party's cmake get source code directly 2

* modify according to zhouwei's comment

* eager needs mkldnn to compile

* support Ninja and establish dependencies relationship between paddle with third_party

* fix CI

* support Ninja

* solve mklml memory leak on windows

test=develop

* remove unused msvcr120.dll

test=develop

test=develop

This reverts commit 652e804b.
test=develop

* update mklml.cmake to 2019.0.5

test=develop

* update mklml.cmake with new version

test=develop

tweak the interface of cache_third_party function - expose the SOURCE_DIR for each external library (#21899)

* Implement the operator with sprase matrix multiply

* Update the URL of mklml library.

test=develop

* Disable MKLML implematation when using no-linux.

test=develop

* Ignore the deprecated status for windows

test=develop

The cdn.bcebos.com can be unstable randomly for unknown reason, restore it to bj.bcebos.com.

* fix the dll not found issue on windows

* fix cdn issue, test=develop

* fix cdn issue, test=develop

test=develop

test=develop

* Revert "Optimze Gelu with MKL Erf function (#15770)"

This reverts commit 676995c8.

* test=develop

* Optimize for gelu operator

* Set up the low accuracy mode of MKL ERF function.

test=develop

* Only enable MKLML ERF when OS is linux

* Use the speical mklml version included vmsErf function to verify gelu mkl kernel.

test=develop

* Add the CUDA macro to avoid NVCC's compile issue.

test=develop

* Add the TODO comments for mklml library modification.

test=develop

* Clean Code

test=develop

* Add the comment of marco for NVCC compiler.

test=develop

test=develop

test=develop

test=develop

test=develop

test=develop

test=develop

test=develop

test=develop

test=develop

disable building tests and examples when install mkldnn
skip -Werror=unused-result