“go build” became very slow after installing a new version of Go

Question

After upgrading from Go 1.2.1 to 1.3 (Windows 7 64 bit) \"go build\" execution time has increased from around 4 to over 45 seconds. There were no other changes except the go ver

Answer 1

I just experienced the same problem - updating from 1.4 to 1.5. It seems that the olds versions are somehow incompatible or are being rebuild every time as go build -x shows. Executing go get -v invalidates all packages or refetches them, I am not quite sure and go build -x shows quite less output.