https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91908
Bug ID: 91908
Summary: New libbacktrace fail to build
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libbacktrace
Assignee: unassigned at gcc dot gnu.org
Reporter: danglin at gcc dot gnu.org
CC: ian at gcc dot gnu.org
Target Milestone: ---
Host: hppa*-*-hpux*
Target: hppa*-*-hpux*
Build: hppa*-*-hpux*
/opt/gnu/bin/bash ./libtool --tag=CC --mode=compile
/test/gnu/gcc/objdir/./gc
c/xgcc -B/test/gnu/gcc/objdir/./gcc/
-B/opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11
/bin/ -B/opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11/lib/ -isystem
/opt/gnu/gcc/gcc
-10/hppa2.0w-hp-hpux11.11/include -isystem
/opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux1
1.11/sys-include -DHAVE_CONFIG_H -I. -I../../../gcc/libbacktrace -I
../../..
/gcc/libbacktrace/../include -I ../../../gcc/libbacktrace/../libgcc -I
../libgcc
-funwind-tables -frandom-seed=xcoff_32.lo -W -Wall -Wwrite-strings
-Wstrict-p
rototypes -Wmissing-prototypes -Wold-style-definition
-Wmissing-format-attribute
-Wcast-qual -Werror -g -O2 -c -o xcoff_32.lo xcoff_32.c
libtool: compile: /test/gnu/gcc/objdir/./gcc/xgcc
-B/test/gnu/gcc/objdir/./gcc/
-B/opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11/bin/
-B/opt/gnu/gcc/gcc-10/hppa2.0w
-hp-hpux11.11/lib/ -isystem /opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11/include
-i
system /opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11/sys-include -DHAVE_CONFIG_H
-I.
-I../../../gcc/libbacktrace -I ../../../gcc/libbacktrace/../include -I
../../..
/gcc/libbacktrace/../libgcc -I ../libgcc -funwind-tables
-frandom-seed=xcoff_32.
lo -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes
-Wold-style
-definition -Wmissing-format-attribute -Wcast-qual -Werror -g -O2 -c xcoff_32.c
-fPIC -DPIC -o .libs/xcoff_32.o
In file included from xcoff_32.c:45:
xcoff_32.c: In function 'backtrace_initialize':
../../../gcc/libbacktrace/internal.h:64:55: error: right-hand operand of comma
e
xpression has no effect [-Werror=unused-value]
64 | #define __sync_bool_compare_and_swap(A, B, C) (abort(), 1)
| ~~~~~~~~^~~~
xcoff_32.c:1596:2: note: in expansion of macro '__sync_bool_compare_and_swap'
1596 | __sync_bool_compare_and_swap (&state->syminfo_fn, NULL, xcoff_nosyms);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
Makefile:1204: recipe for target 'xcoff_32.lo' failed
make[3]: *** [xcoff_32.lo] Error 1
make[3]: Target 'test_xcoff_32' not remade because of errors.
/opt/gnu/bin/bash ./libtool --tag=CC --mode=compile
/test/gnu/gcc/objdir/./gcc/xgcc -B/test/gnu/gcc/objdir/./gcc/
-B/opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11/bin/
-B/opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11/lib/ -isystem
/opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11/include -isystem
/opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11/sys-include -DHAVE_CONFIG_H -I.
-I../../../gcc/libbacktrace -I ../../../gcc/libbacktrace/../include -I
../../../gcc/libbacktrace/../libgcc -I ../libgcc -funwind-tables
-frandom-seed=xcoff_64.lo -W -Wall -Wwrite-strings -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute
-Wcast-qual -Werror -g -O2 -c -o xcoff_64.lo xcoff_64.c
libtool: compile: /test/gnu/gcc/objdir/./gcc/xgcc
-B/test/gnu/gcc/objdir/./gcc/ -B/opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11/bin/
-B/opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11/lib/ -isystem
/opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11/include -isystem
/opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11/sys-include -DHAVE_CONFIG_H -I.
-I../../../gcc/libbacktrace -I ../../../gcc/libbacktrace/../include -I
../../../gcc/libbacktrace/../libgcc -I ../libgcc -funwind-tables
-frandom-seed=xcoff_64.lo -W -Wall -Wwrite-strings -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute
-Wcast-qual -Werror -g -O2 -c xcoff_64.c -fPIC -DPIC -o .libs/xcoff_64.o
In file included from xcoff_64.c:45:
xcoff_64.c: In function 'backtrace_initialize':
../../../gcc/libbacktrace/internal.h:64:55: error: right-hand operand of comma
expression has no effect [-Werror=unused-value]
64 | #define __sync_bool_compare_and_swap(A, B, C) (abort(), 1)
| ~~~~~~~~^~~~
xcoff_64.c:1596:2: note: in expansion of macro '__sync_bool_compare_and_swap'
1596 | __sync_bool_compare_and_swap (&state->syminfo_fn, NULL, xcoff_nosyms);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
Makefile:1204: recipe for target 'xcoff_64.lo' failed
make[3]: *** [xcoff_64.lo] Error 1
make[3]: Target 'test_xcoff_64' not remade because of errors.
/opt/gnu/bin/bash ./libtool --tag=CC --mode=compile
/test/gnu/gcc/objdir/./gcc/xgcc -B/test/gnu/gcc/objdir/./gcc/
-B/opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11/bin/
-B/opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11/lib/ -isystem
/opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11/include -isystem
/opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11/sys-include -DHAVE_CONFIG_H -I.
-I../../../gcc/libbacktrace -I ../../../gcc/libbacktrace/../include -I
../../../gcc/libbacktrace/../libgcc -I ../libgcc -funwind-tables
-frandom-seed=pecoff.lo -W -Wall -Wwrite-strings -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute
-Wcast-qual -Werror -g -O2 -c -o pecoff.lo ../../../gcc/libbacktrace/pecoff.c
libtool: compile: /test/gnu/gcc/objdir/./gcc/xgcc
-B/test/gnu/gcc/objdir/./gcc/ -B/opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11/bin/
-B/opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11/lib/ -isystem
/opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11/include -isystem
/opt/gnu/gcc/gcc-10/hppa2.0w-hp-hpux11.11/sys-include -DHAVE_CONFIG_H -I.
-I../../../gcc/libbacktrace -I ../../../gcc/libbacktrace/../include -I
../../../gcc/libbacktrace/../libgcc -I ../libgcc -funwind-tables
-frandom-seed=pecoff.lo -W -Wall -Wwrite-strings -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute
-Wcast-qual -Werror -g -O2 -c ../../../gcc/libbacktrace/pecoff.c -fPIC -DPIC
-o .libs/pecoff.o
In file included from ../../../gcc/libbacktrace/pecoff.c:40:
../../../gcc/libbacktrace/pecoff.c: In function 'backtrace_initialize':
../../../gcc/libbacktrace/internal.h:64:55: error: right-hand operand of comma
expression has no effect [-Werror=unused-value]
64 | #define __sync_bool_compare_and_swap(A, B, C) (abort(), 1)
| ~~~~~~~~^~~~
../../../gcc/libbacktrace/pecoff.c:925:2: note: in expansion of macro
'__sync_bool_compare_and_swap'
925 | __sync_bool_compare_and_swap (&state->syminfo_fn, NULL, coff_nosyms);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
Makefile:1204: recipe for target 'pecoff.lo' failed
make[3]: *** [pecoff.lo] Error 1
make[3]: Target 'test_pecoff' not remade because of errors.
