Tom, I'll get what you asked for in a minute. But first, I want to make
sure that y'all see that the compiler is clang, and not gcc. Perhaps that's
not important.

On Mon, Mar 19, 2018 at 4:01 PM, Tom Lane <t...@sss.pgh.pa.us> wrote:

> Andres Freund <and...@anarazel.de> writes:
> > There seems to be something sketchy afoot here, even outside of
> > CFLAGS_SSE42 itself. From the original email:
>
> > cc -I/usr/local/include -I../../src/port -DFRONTEND -I../../src/include
> > -c -o pg_crc32c_sse42.o pg_crc32c_sse42.c
>
> > isn't this missing a number of important flags? Like at least
> > -fno-strict-aliasing -fwrapv -fexcess-precision=standard?
>
> Good point ... seems like we lost *all* CFLAGS not just the SSE42 ones.
> I believe the options we see here are all from CPPFLAGS not CFLAGS.
>
> Terry, could we see a full "make" trace from src/port/?  Something like
>
> cd src/port
> make -s clean
> make
>
> I'm curious whether the flags lossage affects all .c files in that
> directory, or only ones that are trying to add on custom flags.
>
>                         regards, tom lane
>

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