构建参数包含 `-gcflags"all=-N -l"` 并在 MacOS 中导入 net/http

Question

当我尝试调试时，go build参数包含-gcflags "all=-N -l"，然后我导入net/http，然后构建将失败。我尝试使用 brew 重新安装 golang，但不起作用。并在卸载后尝试使用官方安装，不工作。我正在尝试sudo mv /Library/Developer/CommandLineTools CommandLineTools.old && xcode-select --install，不工作。在 JimB 的建议下，我尝试go env -w CGO_ENABLED=0了 ，以便我可以正确构建。有什么建议么？构建失败消息：# crypto/x509In file included from /usr/local/Cellar/go/1.14/libexec/src/crypto/x509/root_cgo_darwin.go:17:In file included from /System/Library/Frameworks/Security.framework/Headers/Security.h:31:/System/Library/Frameworks/Security.framework/Headers/SecItem.h:452:49: error: expected ','    API_AVAILABLE(macos(10.7), ios(NA), bridgeos(NA));                                                ^    ......                                                ^In file included from /usr/local/Cellar/go/1.14/libexec/src/crypto/x509/root_cgo_darwin.go:17:In file included from /System/Library/Frameworks/Security.framework/Headers/Security.h:35:/System/Library/Frameworks/Security.framework/Headers/SecImportExport.h:317:55: error: expected ','          API_AVAILABLE(macos(10.7), ios(NA), bridgeos(NA));                                                      ^    ....../System/Library/Frameworks/Security.framework/Headers/SecImportExport.h:656:49: error: expected ','    API_AVAILABLE(macos(10.7), ios(NA), bridgeos(NA));                                                ^    ......27 errors generated.package mainimport "os"func main() {    println(os.Args)}> go build main.go                       # success> go build -gcflags "all=-N -l" main.go  # success--------------------------------------package mainimport "net/http"func main() {    println(http.DefaultClient)}> go build main.go                       # success> go build -gcflags "all=-N -l" main.go  # fail       <-----------

Answer 1

1. go env -w CGO_ENABLED=0可以暂时解决这个问题。

2. 升级 MacOS 和 XCode 后，此问题不再出现。

现在我的版本：

macOS 10.15.3

XCode 11.3.1(11C504)