I'm not exactly sure why, but this fixes the failing Bazel presubmit
test. Using the most recent version seems like a good idea anyway so
that we can make sure we're compatible with any new Bazel changes.
* Bump target frameworks from netcoreapp1.0 to netcoreapp2.2.
Move global.json up to root of repo, change SDK ver to 2.2.100
Change .net core sdk in dockerfile for kokoro to ver 2.2.100
* Re-add curl install
* Change all exe target to 2.1
* Fix incorrect versions in global.json and Dockerfile
* Downgrade version to 2.1 to match exe targets
* introduce separate testing Dockerfile for C#
* revert changes to the shared Dockerfile
* use netcoreapp2.1 for C# conformance tests
* use language specific dockerfile for testing C#
* Edit compatibility tests script to use parameters instead of file copies
* install dotnet SDK on windows before running the tests
* update csharp_EXTRA_DIST
* fix macos build by changing xcode version
* add comments
* fix benchmark build for mac
* fix for gem option and install npm
* add test for node and npm
* fix node
* fix for node
* another attempts to fix node
* another attempts
* clean up
* fix macos build by changing xcode version
* add comments
* fix benchmark build for mac
* fix for gem option and install npm
* add test for node and npm
* fix node
* fix for node
* another attempts to fix node
* another attempts
* clean up
* Add several fixes for python toolchain
* Fix versin regex
* Make script exit on error
* Fix version regex
* Fix version regex
* Fix version regex
* Fix version regex
* Make test run on the current commit
* Fix test
* Fix test
* Use git to retrieve current commit
* Fix tests
* Fix tests
* Also make linux and mac work on the current commit
* Fix test
* Use gnu for ruby build because strptime is provided by posix
* Move option to extconf.rb
* Remove unused code in Rakefile
* Add config files for kokoro test
* Use gnu 11
* Define _XOPEN_SOURCE
* Add gnu11 option
* Remove XOPEN
* Try base_cc_flags
* Try config_options
* Move time.h to top
* Try -D_XOPEN_SOURCE=700
* Define XOPEN_SOURCE directly
* Try extconf.rb
* Try CFLAGS
* Try ext.cross_config_options
* Make mac ruby release job fail on error
* Try again
* Try define _XOPEN_SOURCE in extconf.rb
* Try again
* Define __USE_XOPEN
* Remove 2.6.0
* No mingw
* Throw error on mingw
* Remove XOPEN_SOURCE in upb
* Add back mingw
* Remove comment
* Fix python release build.
* Separate config.sh by platform
* Use KOKORO_JOR_NAME to determine the BUILD_COMMIT.
* Use -std=c++14 on MacOS so -latomic can be used.
