| # Issue #66456 |
| |
| [!cgo] skip |
| [GOOS:windows] skip |
| [GOOS:plan9] skip |
| |
| # Generate a file with a very long #cgo LDFLAGS line. |
| # This used to cause "go build" to fail with "argument list too long". |
| go generate |
| |
| # Build with the generated file. |
| go build |
| |
| -- go.mod -- |
| module cgolongcmd |
| |
| go 1.22 |
| -- generate.go -- |
| //go:build ignore |
| |
| package main |
| |
| import ( |
| "fmt" |
| "log" |
| "os" |
| "bytes" |
| ) |
| |
| func main() { |
| var buf bytes.Buffer |
| buf.WriteString("package p\n") |
| buf.WriteString("// #cgo LDFLAGS:") |
| for i := range 10000 { |
| fmt.Fprintf(&buf, " -Wl,-rpath,/nonexistentpath/%d", i) |
| } |
| buf.WriteString("\n") |
| buf.WriteString(`import "C"`+"\n") |
| if err := os.WriteFile("generated.go", buf.Bytes(), 0o644); err != nil { |
| log.Fatal(err) |
| } |
| } |
| -- gen.go -- |
| package p |
| |
| //go:generate go run generate.go |
