On Wed, Sep 7, 2022 at 12:51 PM Jan-Benedict Glaw <jbg...@lug-owl.de> wrote: > > Hi! > > On Mon, 2022-08-29 22:11:35 +0200, Jan-Benedict Glaw <jbg...@lug-owl.de> > wrote: > > On Sun, 2022-08-28 15:32:53 -0600, Jeff Law via Gcc-patches > > <gcc-patches@gcc.gnu.org> wrote: > > > On 8/28/2022 1:50 AM, Jan-Benedict Glaw wrote: > > > > On Tue, 2021-09-21 16:25:19 +0200, Richard Biener via Gcc-patches > > > > <gcc-patches@gcc.gnu.org> wrote: > > > > > This makes defaults.h choose DWARF2_DEBUG if PREFERRED_DEBUGGING_TYPE > > > > > is not specified by the target and errors out if DWARF DWARF is not > > > > > supported. > > > > While I think the pdp11 bits arreved, the rest did not (yet). Just > > > > checked my auto-builder logs. When building current HEAD as > > > > > > > > ../gcc/configure --prefix=... --enable-werror-always \ > > > > --enable-languages=all --disable-gcov \ > > > > --disable-shared --disable-threads --without-headers \ > > > > --target=... > > > > make V=1 all-gcc > > > > > > > > ALL of these targets won't build right now: > > [...] > > > Umm, most of those -elf targets do build. See: > > > > > > http://law-sandy.freeddns.org:8080 > > > > Another builder. :) Randomly picking xtensa-elf, you're configuring > > as > > > > + ../../gcc/configure --disable-analyzer --with-system-libunwind > > --with-newlib --without-headers --disable-threads --disable-shared > > --enable-languages=c,c++ > > --prefix=/home/jlaw/jenkins/workspace/xtensa-elf/xtensa-elf-obj/gcc/../../xtensa-elf-installed > > --target=xtensa-elf > > > > I guess the main difference that lets my builds fail might be > > --enable-languages=all (vs. c,c++ in your case.) > > > > Maybe you'd give that a try? (...and I'll trigger a build with just > > c,c++ on my builder.) > > So ... just building for --enable-languages=c,c++ usually works for > the *-elf targets, but I'm interested in building as much code as > possible. Is it expected that with --enable-languages=all, all those > targets will break? Can we have a sane default here, or need the > maintainers decide for any given debug format?
It's not expected that they break - when targets do not decide on a default format and they can handle DWARF that is automatically selected. And that shouldn't change whether you enable some language or not. Richard. > > Thanks, > Jan-Benedict > > --
