WindowsSdkLocator doesn't detect Windows SDK 10

[lacasseio]

Expected Behavior

Gradle should detect and use the Windows SDK 10 if installed or directly pass as a candidate.

Current Behavior

Gradle doesn't detect and use Windows SDK 10. On a clean machine (possibly only Windows 10) with a fresh install of Visual Studio 2015, Gradle fail to build any application that requires access to the Windows SDK (for example kernel32).

Context

This is a bit tricky to solve as with Windows SDK 10, Microsoft started versioning the include and lib in relation to move toward the Universal C Runtime.

Steps to Reproduce (for bugs)

On a fresh Windows 10 machine with only Visual Studio 2015 install try to build CUnit sample.

[lacasseio]

The current workaround is to either:

1. Install older version of the Windows SDK (for example 8.1)
2. Enter the include path and library path manually as compiler and linker args

Option 1 may have side effect and undefined behavior regarding breaking changes made the Windows API between 8.1 and 10 or missing feature as you will be targeting Windows 8.1 feature set.

[zosrothko]

This could be fixed by making WindowsSdkLocator working in the same way as DefaultUrctLocator and abstracting both to a common WindowsLocator.

[pedrolamarao]

I've just hit the same bug.
This is what I get when running gradle with --debug:

13:23:37.595 [DEBUG] [org.gradle.nativeplatform.toolchain.internal.msvcpp.DefaultWindowsSdkLocator] Ignoring candidate Windows SDK directory C:\Program Files (x86)\Windows Kits\10 as it does not look like a Windows SDK installation.
13:23:37.596 [DEBUG] [org.gradle.nativeplatform.toolchain.internal.msvcpp.DefaultWindowsSdkLocator] Could not find Windows resource compiler in system path.
13:23:37.596 [DEBUG] [org.gradle.nativeplatform.toolchain.internal.msvcpp.DefaultUcrtLocator] Found ucrt 10.0.10240.0 at C:\Program Files (x86)\Windows Kits\10
13:23:37.597 [DEBUG] [org.gradle.nativeplatform.toolchain.internal.msvcpp.DefaultUcrtLocator] Found ucrt 10.0.10240.0 at C:\Program Files (x86)\Windows Kits\10

[eriwen]

@lacasseio @eljobe can this be moved to gradle-native?

[prb28]

This may help someone (workaround 1 from @lacasseio) :
with gradle 4.5.1, installing VC++ 2015.3 v140 toolset (x86,x64) did work.

(Image borrowed from https://stackoverflow.com/questions/44046355/visual-studio-2015-not-detecting-v141-2017-build-tools)

[adammurdoch]

This is fixed in #4414. I'm going to close this issue. Please open a new issue if you run into any further problems with Visual Studio or Windows SDK discovery.