* Update CI
* Reduce one build to minimum cmake version
* Update compile instructions with new minimum versions
* Update more guides
* Run debug build with VS 2017
Co-authored-by: Peter Bell <peterbell10@live.co.uk>
Stop using gdb on osx - was breaking the build
Add clang 3.5 build as travis now defaults to 5.0
Fix unknown-warning-option errors on AppleClang
ProtoProxy: Use nullptr
UrlClientTest: add override to callback destructor
Update jsoncpp to use nullptr
* Renamed OSX to macOS and use curl to get EasyInstall script
Use curl to get the EasyInstall script because the srcipt itself uses curl
* Fixed capitalization
* Change CROSSCOMPILE flag to NOMARCHNATIVE.
The old name was confusing, the new name describes exactly what it does.
This fixes issue #3272
* Break configuration when using CROSSCOMPILE.
This stops any old build scripts from producing broken builds.
* Use NO_NATIVE_OPTIMIZATION rather than NOMARCHNATIVE.
Addresses @madmaxoft's concerns.
