Op donderdag 23 maart 2017 20:58:53 UTC+1 schreef Ian Lance Taylor:
>
> On Thu, Mar 23, 2017 at 11:56 AM, Peter Kleiweg <pkle...@xs4all.nl
> <javascript:>> wrote:
> > Op donderdag 23 maart 2017 17:46:18 UTC+1 schreef Ian Lance Taylor:
> >>
> >> On Thu, Mar 23, 2017 at 8:54 AM, Peter Kleiweg <pkle...@xs4all.nl>
> wrote:
> >> > Some code that includes C code compiles fine on Linux, but gives
> strange
> >> > errors on Darwin.
> >> >
> >> >
> >> > In one source file, that doesn't include C, I have this:
> >> >
> >> > type reactor_socket struct {
> >> > e State
> >> > f func(State) error
> >> > }
> >> >
> >> > and...
> >> >
> >> > reactor_socket{e: events, f: handler}
> >> >
> >> >
> >> >
> >> > In another file that does include C, I have this:
> >> >
> >> > type State int
> >> >
> >> >
> >> >
> >> > Compiling of the first source file gives these errors on the line
> >> > creating
> >> > the reactor_socket:
> >> >
> >> > workspace/go/src/github.com/pebbe/zmq4/reactor.go:57: cannot use
> >> > events
> >> > (type State) as type int in field value
> >> > workspace/go/src/github.com/pebbe/zmq4/reactor.go:57: cannot use
> >> > handler
> >> > (type func(State) error) as type func(int) error in field value
> >> >
> >> > It looks like in one source file, the type State is preserved, while
> in
> >> > the
> >> > other it is replaced by an int.
> >> >
> >> >
> >> > Is this a compiler bug? What else could it be?
> >> >
> >> > Please see details at https://github.com/pebbe/zmq4/issues/97
> >>
> >> I suppose it could be a cgo bug. I can't recreate it, but I'm using
> >> GNU/Linux. I tried both GCC and clang.
> >>
> >> Try running `go build -work` to preserve the temporary directory and
> >> look at the generated .go files.
> >
> >
> > There is no generated Go file corresponding to the file that generates
> the
> > error.
>
> No, I wouldn't expect one, but it seems that the contents of the files
> that are generated must be triggering the error somehow. In
> particular it might be interesting to compare the generated files on a
> working system with the ones on a failing system.
>
OK, here are all the
differences: https://pkleiweg.home.xs4all.nl/go/diff.txt
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