On Fri, Jan 29, 2021 at 11:13 PM Vaclav Petras <wenzesl...@gmail.com> wrote:
> > > On Fri, Jan 29, 2021 at 5:20 PM Moritz Lennert < > mlenn...@club.worldonline.be> wrote: > >> >> >> Am 29. Januar 2021 20:54:06 GMT+00:00 schrieb Markus Metz < >> markus.metz.gisw...@gmail.com>: >> > >> >For new PROJ >> >versions, C99 is a requirement. >> >> >> If proj requires it, doesn't it automatically become a requirement for >> GRASS as well ? >> > > That's a good point. We have the same situation with GDAL. It requires > C++11 [1]. Although this may not set the requirement absolutely, it sets it > practically. > > Additionally, increasing the minimum for C let's say to C17, may allow > increasing the minimum for C++ because practically there is no compiler > which would support one and not the other, but that depends on the > particular combination. > > In CI, I have set the GCC compilation tests only for C99 and above and > C++11 and above [2] (i.e., not requiring anything below that). However, > note that the C is GNU C, not ISO (which we currently don't conform to). > The "pedantic" keeping of the standard fails for both C and C++ (and thus > it is not currently checked in the CI). > Hm, actually, the original commit message [3] discusses this including some additional details such as C17 not being available in Ubuntu 18.04. [3] https://github.com/OSGeo/grass/commit/706e7e1aa0927c34cfbcf83388e10192a5bc5043 > > [1] https://gdal.org/development/rfc/rfc68_cplusplus11.html > [2] > https://github.com/OSGeo/grass/blob/master/.github/workflows/gcc.yml#L11 >
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