1# Issue #42565
2
3[!cgo] skip
4
5# We can't build package bad, which uses #cgo LDFLAGS.
6cd bad
7! go build
8stderr no-such-warning
9
10# We can build package ok with the same flags in CGO_LDFLAGS.
11env CGO_LDFLAGS=-Wno-such-warning -Wno-unknown-warning-option
12cd ../ok
13go build
14
15# Build a main program that actually uses LDFLAGS.
16cd ..
17go build -ldflags=-v
18
19# Because we passed -v the Go linker should print the external linker
20# command which should include the flag we passed in CGO_LDFLAGS.
21stderr no-such-warning
22
23-- go.mod --
24module ldflag
25
26-- bad/bad.go --
27package bad
28
29// #cgo LDFLAGS: -Wno-such-warning -Wno-unknown-warning
30import "C"
31
32func F() {}
33-- ok/ok.go --
34package ok
35
36import "C"
37
38func F() {}
39-- main.go --
40package main
41
42import _ "ldflag/ok"
43
44func main() {}
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