go/src/cmd/go/internal/load/flag.go

var BuildAsmflags …

var BuildGcflags …

var BuildLdflags …

var BuildGccgoflags …

type PerPackageFlag …

type ppfValue …

// Set is called each time the flag is encountered on the command line.
func (f *PerPackageFlag) Set(v string) error { … }

// set is the implementation of Set, taking a cwd (current working directory) for easier testing.
func (f *PerPackageFlag) set(v, cwd string) error { … }

func (f *PerPackageFlag) String() string { … }

// Present reports whether the flag appeared on the command line.
func (f *PerPackageFlag) Present() bool { … }

// For returns the flags to use for the given package.
func (f *PerPackageFlag) For(p *Package) []string { … }