Comment on the need for CGO_ENABLED=1
to support cross-compilation
#3735
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While ensuring testing of multi-arch image build for hypersdk, time was spent trying to figure out a cross-compilation error that turned out to be due to
CGO_ENABLED=1
not being set. A literal reading of the comment removed in this PR did not suggest the importance ofCGO_ENABLED=1
to cross-compilation. Accordingly, this PR adds a new comment indicating thatCGO_ENABLED=1
is required when cross-compiling.