Re: [PATCH] Always default to DWARF2_DEBUG if not specified, warn about deprecated STABS

[Jan-Benedict Glaw <jbglaw@lug-owl.de>]

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Hi Jeff!

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.)

MfG, JBG

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