Am 04.06.2014 um 07:00 schrieb Jens Rehsack <rehs...@gmail.com>: > > Am 04.06.2014 um 04:32 schrieb David Golden <x...@xdg.me>: > >> On Tue, Jun 3, 2014 at 1:35 AM, Jens Rehsack <rehs...@gmail.com> wrote: >>> 1) compiler cannot create executables >>> 2) compiler works, but no perl headers >>> 3) compiler does, but shared library building fails (that is fragile and >>> minor modifications at the system causes that process to fail) >> >> These three would all fail to make, which would abort installation. >> >>> 4) As you say: https://rt.cpan.org/Ticket/Display.html?id=75672 >> >> Oooh! Excellent example. >> >> "make" succeeds and "make test" could fall back to PP when dynaloading fails. >> >> I wonder if there's a way to be clever about this such that under >> PUREPERL_ONLY, make never compiles the extension, and then the main >> module doesn't just try bootstrap inside eval{} but actually checks to >> see if the extension is in @INC. If so, bootstrap it or die; if not, >> fall back to pure Perl. > > talked yesterday with riba about that in deeper detail. > We decided to do as (probably) suggested by you and > > sub legacy_exists { die "bogus legacy XS" if the extension is in @INC; return > false } > > autoconf->check_pp_wanted and return legacy_exists; > autoconf->have_compiler or return legacy_exists; > autoconf->check_perl_api or die; > if( autoconf->extensive_testing ) { > autoconf->check_perl_extension_links or die; > autoconf->check_perl_extension_loads or die; > } > return ok > > http://www.cpantesters.org/cpan/report/a25a36da-ea1d-11e3-9cf0-a01f06268b4b > is also an excellent example. > > Regarding "if the extension is in @INC" (have separate installed XS module) > needs a migration plan for LMU, P::U etc. > This is the final solution and we had several ideas yesterday for a migration > plan - but wasn't complete.
Here is the commit for that: https://github.com/rehsack/Config-AutoConf/commit/e8a14d079995ea519c3aebc698994ea5964bbf70 If there're no objections, I fire a release with that change (and the one which skips compile tests for bogus environments as Nigel Hone has ...) Cheers -- Jens Rehsack rehs...@gmail.com
