Note that Numpy 1.16.6 has in numpy/core/setup_common.py
xlocale.h listed in
OPTIONAL_HEADERS = [
# sse headers only enabled automatically on amd64/x32 builds
"xmmintrin.h", # SSE
"emmintrin.h", # SSE2
"features.h", # for glibc version linux
"xlocale.h", # see GH#8367
"dlfcn.h", # dladdr
"sys/mman.h", #madvise
]
(and the xlocale.h entry there is commented pointing at the GitHub
issue I mentioned)
I imagine that OPTIONAL_HEADERS are meant to be optional, absence of
any of them should not
create a problem.
E.g. on Debian 10 there is no xlocale.h, but Numpy builds just fine.
I'd say it's an upstream bug/feature, not Sage's bug - but I'd be glad
to be proved wrong.
It appears one needs to debug this on cygwin, so that's your turn...
HTH
Dima
On Sat, May 30, 2020 at 4:54 AM ilyub <ilyubar...@gmail.com> wrote:
>
> Attached is the log. There are two fatal errors there: one is:
> [numpy-1.16.6] _configtest.c:1:10: fatal error: xlocale.h: No such file or
> directory
> [numpy-1.16.6] 1 | #include <xlocale.h>
> [numpy-1.16.6] | ^~~~~~~~~~~
> [numpy-1.16.6] compilation terminated.
>
> On Friday, May 29, 2020 at 1:38:39 PM UTC-4, Matthias Koeppe wrote:
>>
>>
>>
>> On Thursday, May 28, 2020 at 2:13:30 PM UTC-7, Dima Pasechnik wrote:
>>>
>>> On Thu, May 28, 2020 at 7:10 PM Matthias Koeppe
>>> <matthia...@gmail.com> wrote:
>>> >
>>> > On Thursday, May 28, 2020 at 7:21:35 AM UTC-7, ilyub wrote:
>>> >>
>>> >> The cygwin people seemed to have removed the physical file (xlocale.h)
>>> >> from the cygwin distribution starting with version 3.1.1-1
>>> >> https://cygwin.com/packages/summary/cygwin-devel.html.
>>> >> Because the include file is missing, sage build fails because the numpy
>>> >> module has an include of xlocale.h .
>>> >>>>
>>> >>>>
>>> >
>>> > Is upstream numpy aware of this issue?
>>>
>>> It has been done and dusted in numpy:
>>> https://github.com/numpy/numpy/pull/8367
>>>
>>> they took Sage's patch from embray, and then Sage's patch was removed.
>>> I have no idea why this pops up again.
>>> Please post the logs.
>>>
>>
>> Indeed we need to see the logs to know what is happening on the reporter's
>> machine.
>>
>> Numpy within Sage 9.1 builds just fine on current Cygwin (with 3.1.4) -- see
>> https://github.com/sagemath/sage/runs/694846429?check_suite_focus=true
>>
>>
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