doc: Windows default build from source behavior is CGO enabled but docs don't mention C compiler dependency

[srinathh]

I was installing Go from source on a new clean Windows installation today and the installation broke because the default build behavior is CGO enabled whereas Windows doesn't come with a C compiler installed by default. This is not documented in the installing from source page.

While the fix is pretty simple (either disable CGO via an environment flag or install a C compiler), this should be documented in the install from source doc. A known working compiler should also be recommended if we want CGO enabled like we used to earlier.

I installed TDM-GCC as I seem to recall Go 1.4 build-steps used to recommend it and got a working installation but I also seem to recall Go used to recommend a different C compiler installation for windows in earlier days.

[gopherbot]

CL https://golang.org/cl/18937 mentions this issue.

[davecheney]

This information, https://github.com/golang/go/wiki/WindowsBuild, used to
be referenced from the install page. The information was moved to the wiki
because it was changing at an incompatible rate.

On Wed, Jan 27, 2016 at 10:00 AM, GopherBot notifications@github.com
wrote:

CL https://golang.org/cl/18937 mentions this issue.

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