https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117537
Bug ID: 117537
Summary: [15 regression] Failed cross build for
aarch64_be-unknown-linux-gnu
(libgcc/config/libbid/bid_conf.h:847:25: error:
missing braces around initializer
[-Werror=missing-braces])
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Keywords: build
Severity: normal
Priority: P3
Component: libgcc
Assignee: unassigned at gcc dot gnu.org
Reporter: sjames at gcc dot gnu.org
CC: jsm28 at gcc dot gnu.org
Target Milestone: ---
Following some discussion on IRC today, I finally changed my various cross
builds to use trunk.
Anyway, this fell out:
```
/var/tmp/portage/cross-aarch64_be-unknown-linux-gnu/gcc-15.0.0_pre20241110/work/build/./gcc/xgcc
-B/var/tmp/portage/cross-aarch64_be-unknown-linux-gnu/gcc-15.0.0_pre20241110/work/build/./gcc/
-B/usr/aarch64_be-unknown-linux-gnu/bin/
-B/usr/aarch64_be-unknown-linux-gnu/lib/ -isystem
/usr/aarch64_be-unknown-linux-gnu/include -isystem
/usr/aarch64_be-unknown-linux-gnu/sys-include -g -O2 -O2 -g -O2 -DIN_GCC
-DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wno-error=narrowing -Wwrite-strings
-Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition
-isystem ./include -fPIC -g -DIN_LIBGCC2 -fbuilding-libgcc
-fno-stack-protector -fno-stack-clash-protection -Werror -Wno-prio-ctor-dtor
-fPIC -I. -I. -I../.././gcc
-I/var/tmp/portage/cross-aarch64_be-unknown-linux-gnu/gcc-15.0.0_pre20241110/work/gcc-15-20241110/libgcc
-I/var/tmp/portage/cross-aarch64_be-unknown-linux-gnu/gcc-15.0.0_pre20241110/work/gcc-15-20241110/libgcc/.
-I/var/tmp/portage/cross-aarch64_be-unknown-linux-gnu/gcc-15.0.0_pre20241110/work/gcc-15-20241110/libgcc/../gcc
-I/var/tmp/portage/cross-aarch64_be-unknown-linux-gnu/gcc-15.0.0_pre20241110/work/gcc-15-20241110/libgcc/../include
-I/var/tmp/portage/cross-aarch64_be-unknown-linux-gnu/gcc-15.0.0_pre20241110/work/gcc-15-20241110/libgcc/config/libbid
-DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS -o bid128_to_uint64.o -MT
bid128_to_uint64.o -MD -MP -MF bid128_to_uint64.dep -c
/var/tmp/portage/cross-aarch64_be-unknown-linux-gnu/gcc-15.0.0_pre20241110/work/gcc-15-20241110/libgcc/config/libbid/bid128_to_uint64.c
In file included from
/var/tmp/portage/cross-aarch64_be-unknown-linux-gnu/gcc-15.0.0_pre20241110/work/gcc-15-20241110/libgcc/config/libbid/bid_internal.h:27,
from
/var/tmp/portage/cross-aarch64_be-unknown-linux-gnu/gcc-15.0.0_pre20241110/work/gcc-15-20241110/libgcc/config/libbid/bid128_to_uint64.c:24:
/var/tmp/portage/cross-aarch64_be-unknown-linux-gnu/gcc-15.0.0_pre20241110/work/gcc-15-20241110/libgcc/config/libbid/bid128_to_uint64.c:
In function '__bid128_to_uint64_rnint':
/var/tmp/portage/cross-aarch64_be-unknown-linux-gnu/gcc-15.0.0_pre20241110/work/gcc-15-20241110/libgcc/config/libbid/bid_conf.h:847:25:
error: missing braces around initializer [-Werror=missing-braces]
847 | UINT128 arg_name={ bid_##arg_name.w[1], bid_##arg_name.w[0]};
| ^
/var/tmp/portage/cross-aarch64_be-unknown-linux-gnu/gcc-15.0.0_pre20241110/work/gcc-15-20241110/libgcc/config/libbid/bid_conf.h:871:8:
note: in expansion of macro 'COPY_ARG_VAL'
871 | COPY_ARG_VAL(arg_name)
| ^~~~~~~~~~~~
/var/tmp/portage/cross-aarch64_be-unknown-linux-gnu/gcc-15.0.0_pre20241110/work/gcc-15-20241110/libgcc/config/libbid/bid_conf.h:1050:6:
note: in expansion of macro 'PROLOG_VAL'
1050 | PROLOG_VAL(arg_name) \
| ^~~~~~~~~~
/var/tmp/portage/cross-aarch64_be-unknown-linux-gnu/gcc-15.0.0_pre20241110/work/gcc-15-20241110/libgcc/config/libbid/bid128_to_uint64.c:30:1:
note: in expansion of macro 'BID128_FUNCTION_ARG1_NORND_CUSTOMRESTYPE'
30 | BID128_FUNCTION_ARG1_NORND_CUSTOMRESTYPE (UINT64,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
```
I assume this started with the libgcc change a little while ago from the arm
folks to enable -Werror for arm.
