On Thu, Mar 23, 2017 at 11:56 AM, Peter Kleiweg <pklei...@xs4all.nl> 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.
Ian
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