[short] skip
[!cgo] skip

env GOCACHE=$WORK/gocache  # Looking for compile flags, so need a clean cache.
go build -x -n main.go
stderr '"-I[^"]+c flags"' # find quoted c flags
! stderr '"-I[^"]+c flags".*"-I[^"]+c flags"' # don't find too many quoted c flags per line
stderr '"-L[^"]+ld flags"' # find quoted ld flags
! stderr '"-L[^"]+c flags".*"-L[^"]+c flags"' # don't find too many quoted ld flags per line

-- main.go --
package main
// #cgo CFLAGS: -I"c flags"
// #cgo LDFLAGS: -L"ld flags"
import "C"
func main() {}