On February 17, 2017 11:40:57 AM PST, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>I wrote:
>> Yeah. I have longfin which is running Apple's clang, and is on a
>machine
>> that doesn't have much to do otherwise. I propose to turn on -Werror
>in
>> its configuration, and to configure a second critter on the same
>hardware
>> that runs with -Werror as well as --disable-integer-datetimes.
>Somebody
>> else should do similarly with a reasonably modern/stable gcc release.
>
>So I tried doing that by adding -Werror to longfin's CFLAGS
>environment,
>and it crashed and burned in configure. The most obvious problem is
>that we didn't bother to supply a prototype for does_int64_work() in
>the probes for 64-bit ints. However, even after fixing that, configure
>produces totally bollixed output because -Werror breaks many of its
>built-in tests. We could fix the int64 tests but we have no good way
>of
>fixing the built-in tests.
>
>AFAICS, if you want to build with -Werror, you have to configure
>without
>that and then inject it afterwards. I wonder how people who use
>-Werror
>are handling that. Is it possible to do at all in a buildfarm critter?
Yea, I complained about that before. I think we'd have to add an extra configure option for it, because we rely in
settingit only for certain tests. Personally I use CEXTRA (IIRC) to achieve that result after configure ran.
Andres
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