On 28/3/20 5:52 am, Anatol Pomozov wrote: > Hey > > On Thu, Mar 26, 2020 at 8:47 PM Allan McRae <al...@archlinux.org> wrote: >> >> On 27/3/20 7:13 am, Anatol Pomozov wrote: >>> C18 is the latest released version of the language spec. The toolchains >>> support >>> it starting with GCC 8.1.0 and Clang 7. >>> >> >> GCC 8.1.0 - May 2, 2018 >> Clang 7 - 19 September 2018 >> >> So available for 18 months. Seems reasonable given the next release is >> a few months out minimum. >> >> But why do we need this version? What feature will be used? Is C11 >> enough? > > C18 is mostly a clarification on top of C11 language spec. C18 does > not introduce any new language features > http://www.iso-9899.info/wiki/The_Standard#C18
Hence why do we need that. Every newer bit of software we require limits where pacman can be built. > C11 is what was a big step for C language. I use C11 feature in my > other projects and I really like it. Some of my favorite features are: > - type-generic expressions. This is a poor-man generic that can be > used in macros. Quite useful in some cases for example instead of > having htobe16/htobe32/htobe64/.. this feature allows to have a macro > htobe() with functionality that depends on the parameter type. > - _Thread_local specifier that allows to introduce a thread-local variables > - defines for atomic types + functions for accessing the vars in atomic way I don't need to know what is in the standard. What features do you plan to use in the pacman code base and where? A
