Yo Hal!
On Sun, 02 Feb 2025 01:29:22 -0800
Hal Murray <halmur...@sonic.net> wrote:
> There are several tangles in your response.
>
> >> + ("sys/time.h", "struct timeval"),
> > DOn't do that. Per the man page:
>
> That was my first try. It didn't work on BSD.
Care to share what the failure was?
> On all the systems I'v tried, man timeval says:
> #include <sys/time.h>
> So that part seems to be working OK.
Where can I find that man page?
It just is at odds with POSIX.
> >> That list gets sorted. (I don't know why.)
> > I like things sorted.
> Me too, but the code says:
> for header, sizeof in sorted(sizeofs, key=lambda x: x[1:]):
> Why sort stuff in the code when you could manually sort the sizeofs
> list?
I was commenting on the 1st, not the 2nd. No idea why one would bother
with sorted().
> >> But now it's dying on code that previously worked. I think.
> > Then why change the include test? The man page says the old one is
> > sufficient.
>
> I didn't change that line. I added it. That broke another line.
Yes, that is how I read that too.
> >> Details in https://gitlab.com/NTPsec/ntpsec/-/jobs/9016721971
> > What C code did that try to generate for the test?
>
> I don't know. The only test case I have (so far) is on gitlab.
> I haven't found configure.log on gitlab.
> Do you know how? URL above.
configure.log will not tell you. You need to look in the hidden
directory that waf runs the tests in.
> The code that does the work is in wafhelpers/check_sizeof.py
> There is a separate path for cross builds. I can work out the code I
> expect it to generate but I'm not sure what actually happens.
Oh, now I have context. The only extra code for cross builds would
be the --march. When you use --march then /usr/include/sys may
not be used for <sys/time.h>. cc swaps sys directory to one approriate
to the target.
RGDS
GARY
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