当构建参数包含`-gcflags“ all = -N -l”并在MacOS中导入net / http时,构建失败

矫正精神:

当我尝试调试时,go build参数包含-gcflags "all=-N -l",然后导入net/http,那么构建将失败。

我尝试使用brew重新安装golang,但无法正常工作。

并尝试在卸载后使用正式安装,无法正常工作。

我正在尝试sudo mv /Library/Developer/CommandLineTools CommandLineTools.old && xcode-select --install,不起作用。

在JimB的建议下,我尝试了go env -w CGO_ENABLED=0,以便可以正确构建。

有什么建议?

构建失败消息:

# crypto/x509
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: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 main
import "os"
func main() {
    println(os.Args)
}
> go build main.go                       # success
> go build -gcflags "all=-N -l" main.go  # success

--------------------------------------

package main
import "net/http"
func main() {
    println(http.DefaultClient)
}
> go build main.go                       # success
> go build -gcflags "all=-N -l" main.go  # fail       <-----------

MacOS版本:10.13.6

Xcode版本:10.0

转到1.14版

> go env
GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/Users/XXX/Library/Caches/go-build"
GOENV="/Users/XXX/Library/Application Support/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOINSECURE=""
GONOPROXY=""
GONOSUMDB=""
GOOS="darwin"
GOPATH="/Users/XXX/go"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/Cellar/go/1.14"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/Cellar/go/1.14/pkg/tool/darwin_amd64"
GCCGO="gccgo"
AR="ar"
CC="clang"
CXX="clang++"
CGO_ENABLED="1"
GOMOD=""
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build994818786=/tmp/go-build -gno-record-gcc-switches -fno-common"

我发现一些类似的问题:转到:编译单元测试时生成错误(我正在尝试模拟influxdb类型)

但是我没有使用相对进口

矫正精神:
  1. go env -w CGO_ENABLED=0 可以暂时解决这个问题。
  2. 升级MacOS和XCode之后,此问题不再发生。

现在我的版本:

MacOS 10.15.3

XCode 11.3.1(11C504)

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