https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89162
Bug ID: 89162
Summary: libgo build is broken on powerpc64-linux
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: blocker
Priority: P3
Component: go
Assignee: ian at airs dot com
Reporter: segher at gcc dot gnu.org
CC: cmang at google dot com
Target Milestone: ---
libtool: compile: /home/segher/build/tot-master/./gcc/xgcc
-B/home/segher/build/tot-master/./gcc/
-B/home/segher/tot/powerpc64-unknown-linux-gnu/bin/
-B/home/segher/tot/powerpc64-unknown-linux-gnu/lib/ -isystem
/home/segher/tot/powerpc64-unknown-linux-gnu/include -isystem
/home/segher/tot/powerpc64-unknown-linux-gnu/sys-include -m32 -DHAVE_CONFIG_H
-I. -I/home/segher/src/gcc/libgo -I /home/segher/src/gcc/libgo/runtime
-I/home/segher/src/gcc/libgo/../libffi/include -I../libffi/include -pthread
-L../libatomic/.libs -fexceptions -fnon-call-exceptions -Wall -Wextra
-Wwrite-strings -Wcast-qual -Werror -D_GNU_SOURCE -D_LARGEFILE_SOURCE
-D_FILE_OFFSET_BITS=64 -I /home/segher/src/gcc/libgo/../libgcc -I
/home/segher/src/gcc/libgo/../libbacktrace -I ../../../gcc/include -g -O2 -m32
-MT runtime/thread.lo -MD -MP -MF runtime/.deps/thread.Tpo -c
/home/segher/src/gcc/libgo/runtime/thread.c -fPIC -DPIC -o
runtime/.libs/thread.o
/home/segher/src/gcc/libgo/runtime/thread.c:56:1: error: mismatch in argument 1
type of built-in function '__sync_bool_compare_and_swap_8'; expected 'volatile
void *' [-Werror=builtin-declaration-mismatch]
56 | __sync_bool_compare_and_swap_8 (uint64*, uint64, uint64)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/segher/src/gcc/libgo/runtime/thread.c:113:1: error: mismatch in argument
1 type of built-in function '__sync_add_and_fetch_8'; expected 'volatile void
*' [-Werror=builtin-declaration-mismatch]
113 | __sync_add_and_fetch_8 (uint64*, uint64)
| ^~~~~~~~~~~~~~~~~~~~~~
