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 Richard,

On Sun, 2021-10-24 08:36:36 +0200, Richard Biener <rguenther@suse.de> wrote:
> On October 23, 2021 10:00:05 PM GMT+02:00, Jan-Benedict Glaw <jbglaw@lug-owl.de> wrote:
> >On Tue, 2021-09-21 16:25:19 +0200, Richard Biener via Gcc-patches <gcc-patches@gcc.gnu.org> wrote:
> >> I have built all targets from contrib/config-list.mk to make sure we
> >> don't run into the #error and the following makes the STABS usage
> >> explicit for pdp11 and hppa with SOM.
> >
> >I'm running build tests based on config-list.mk as well and see a good
> >number of targets failing, all about the same, ie. for moxie-elf:
> 
> That's odd. I did test the patch using config-list.mk - the patch
> sat in the comit tree for quite a while since that exercise (but
> unchanged), but I doubt anything significant changed in between. 
> 
> >[all 2021-10-17 00:01:19] /usr/lib/gcc-snapshot/bin/g++  -fno-PIE -c  -DIN_GCC_FRONTEND -g -O2 -DIN_GCC  -DCROSS_DIRECTORY_STRUCTURE   -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-error=format-diag -Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror -fno-common  -DHAVE_CONFIG_H -I. -I. -I../../gcc/gcc -I../../gcc/gcc/. -I../../gcc/gcc/../include -I../../gcc/gcc/../libcpp/include -I../../gcc/gcc/../libcody  -I../../gcc/gcc/../libdecnumber -I../../gcc/gcc/../libdecnumber/dpd -I../libdecnumber -I../../gcc/gcc/../libbacktrace   -o default-d.o -MT default-d.o -MMD -MP -MF ./.deps/default-d.TPo ../../gcc/gcc/config/default-d.c
> >[all 2021-10-17 00:01:19] In file included from ./tm_d.h:9,
> >[all 2021-10-17 00:01:19]                  from ../../gcc/gcc/config/default-d.c:22:
> >[all 2021-10-17 00:01:19] ../../gcc/gcc/defaults.h:908:2: error: #error You must define PREFERRED_DEBUGGING_TYPE if DWARF is not supported
> 
> Is that building the D frontend? I remember restricting the builds to C... 

Probably. I configure as

.../gcc/configure --target=moxie-elf --enable-werror-always
--enable-languages=all --disable-gcov --disable-shared
--disable-threads --without-headers
--prefix=/var/lib/laminar/run/gcc-moxie-elf/13/toolchain-install

MfG, JBG

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