Add static library option

[termoshtt]

Intel MKL SDK includes static libraries (*.a) https://software.intel.com/content/www/us/en/develop/tools/math-kernel-library/choose-download/linux.html

TODO

• [x] Detect installed static libraries using pkg-config #35
• [x] Package static libraries and upload to AWS S3
  • [x] packaging #39 #44
  • [x] downloading #43
  • [x] uploading (done by aws-cli, automation -> #41 )
• [ ] Add static option in intel-mkl-src, download if necessary
  • [x] Linux #45
  • [x] Windows #48
  • [ ] macOS

[termoshtt]

35 makes possible to find *.a installed in current system

[termoshtt]

Upload to S3 manually, e.g. https://rust-intel-mkl.s3-ap-northeast-1.amazonaws.com/linux/2020.1/mkl-static-lp64-seq.tar.zst

[termoshtt]

In next release (0.6.0), static linking will be default behavior.

[termoshtt]

macOS support is delegated to #7