On Wed, Oct 19, 2016 at 3:17 PM, Ian Lance Taylor <i...@golang.org> wrote:
> On Wed, Oct 19, 2016 at 4:30 AM, Richard Biener
> <richard.guent...@gmail.com> wrote:
>> On Mon, Oct 17, 2016 at 6:54 PM, Ian Lance Taylor <i...@golang.org> wrote:
>>> This patch to libgo copies the rdebug code from the Go 1.7 runtime to libgo.
>>>
>>> While we're at it, this updates the runtime/debug package, and starts
>>> running its testsuite by default.  I'm not sure why runtime/debug was
>>> not previously updated to 1.7.  Doing that led me to fix some minor
>>> aspects of runtime.Stack and the C function runtime/debug.readGCStats.
>>>
>>> Bootstrapped and ran Go testsuite on x86_64-pc-linux-gnu.  Committed
>>> to mainline.
>>
>> Not sure which of the merges broke it but I get
>>
>> ...
>> rc/svn/trunk2/libgo/go/runtime/time.go
>> /space/rguenther/src/svn/trunk2/libgo/go/runtime/trace.go
>> /space/rguenther/src/svn/trunk2/libgo/go/runtime/traceback_gccgo.go
>> /space/rguenther/src/svn/trunk2/libgo/go/runtime/type.go
>> /space/rguenther/src/svn/trunk2/libgo/go/runtime/typekind.go
>> /space/rguenther/src/svn/trunk2/libgo/go/runtime/write_err.go
>> runtime_sysinfo.go  -fPIC -o .libs/runtime-go.o
>> /space/rguenther/src/svn/trunk2/libgo/go/runtime/netpoll_epoll.go:52:49:
>> error:integer constant overflow
>>   ev.events = _EPOLLIN | _EPOLLOUT | _EPOLLRDHUP | _EPOLLET
>>                                                  ^
>> make[4]: *** [runtime-go.lo] Error 1
>>
>> now and bootstrap is broken for me.  This is on x86_64-linux, SLES 11
>> SP4 which uses glibc 2.11.3.
>
> Is this the 32-bit or 64-bit build?

Hum, don't remember ...

> What is the output of
>
> find x86_64-pc-linux-gnu -name runtime_sysinfo.go | xargs grep EPOLLET
>
> in your build directory?

x86_64-pc-linux-gnu/32/libgo/runtime_sysinfo.go:const _EPOLLET = -2147483648
x86_64-pc-linux-gnu/libgo/runtime_sysinfo.go:const _EPOLLET = -2147483648

looks like the culprit.  All other _EPOLL* constants are positive

Richard.

> Ian

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