build problem GOARCH=mipsle

[areqq]

GOOS=linux GOARCH=mipsle go build -ldflags '-w -s -X github.com/barnybug/go-cast.Version=' -o release/cast-linux-mipsle ./cmd/cast

github.com/hashicorp/go.net/ipv6

../../work/pkg/mod/github.com/hashicorp/go.net@v0.0.0-20151006203346-104dcad90073/ipv6/sockopt_rfc3493_unix.go:105:42: undefined: setsockopt
../../work/pkg/mod/github.com/hashicorp/go.net@v0.0.0-20151006203346-104dcad90073/ipv6/sockopt_rfc3493_unix.go:114:42: undefined: setsockopt
../../work/pkg/mod/github.com/hashicorp/go.net@v0.0.0-20151006203346-104dcad90073/ipv6/sockopt_rfc3542_unix.go:54:12: undefined: getsockopt
../../work/pkg/mod/github.com/hashicorp/go.net@v0.0.0-20151006203346-104dcad90073/ipv6/sockopt_rfc3542_unix.go:75:12: undefined: getsockopt
../../work/pkg/mod/github.com/hashicorp/go.net@v0.0.0-20151006203346-104dcad90073/ipv6/sockopt_rfc3542_unix.go:82:42: undefined: setsockopt

github.com/hashicorp/go.net/ipv4

../../work/pkg/mod/github.com/hashicorp/go.net@v0.0.0-20151006203346-104dcad90073/ipv4/sockopt_asmreqn_unix.go:20:12: undefined: getsockopt
../../work/pkg/mod/github.com/hashicorp/go.net@v0.0.0-20151006203346-104dcad90073/ipv4/sockopt_asmreqn_unix.go:41:42: undefined: setsockopt
../../work/pkg/mod/github.com/hashicorp/go.net@v0.0.0-20151006203346-104dcad90073/ipv4/sockopt_unix.go:29:12: undefined: getsockopt
../../work/pkg/mod/github.com/hashicorp/go.net@v0.0.0-20151006203346-104dcad90073/ipv4/sockopt_unix.go:51:42: undefined: setsockopt

[areqq]

You should do this change:
go.mod

- github.com/hashicorp/go.net v0.0.0-20151006203346-104dcad90073
- github.com/hashicorp/mdns v0.0.0-20151206042412-9d85cf22f9f8
- github.com/miekg/dns v0.0.0-20161006100029-fc4e1e2843d8
+ github.com/hashicorp/mdns v1.0.3
+ github.com/miekg/dns v1.1.27
- golang.org/x/net v0.0.0-20161013035702-8b4af36cd21a
+ golang.org/x/net v0.0.0-20190923162816-aa69164e4478