From: Tom de Vries <tdevries@suse.de>
To: pgnet.dev@gmail.com, gdb@sourceware.org
Subject: Re: gdb/head build, with GCC10, FAILs @ "error: expected constructor, destructor, or type conversion before ‘(’ token" ?
Date: Thu, 26 Mar 2020 08:17:03 +0100 [thread overview]
Message-ID: <ce4c359b-4b0a-4d94-9842-30e1129b841a@suse.de> (raw)
In-Reply-To: <753d74af-6012-9df3-93f4-9111da3644dc@gmail.com>
On 26-03-2020 00:25, PGNet Dev via Gdb wrote:
> building
>
> cd src/binutils-gdb
> git log | head -n 5
> commit 33aa3c10f663b834c9573ede439b2df3c92f0cfe
> Author: Tom Tromey <tom@tromey.com>
> Date: Wed Mar 25 10:26:38 2020 -0600
> ...
>
> with
>
> gcc --version
> gcc (SUSE Linux) 10.0.1 20200324 (experimental) [revision 75c24a08d697d6442fe6c26142f0559f803af977]
>
> config's
>
> export LDFLAGS="-L/usr/local/pyenv/versions/3.8-dev/lib -Wl,-rpath,/usr/local/pyenv/versions/3.8-dev/lib"
> export LIBS="-lpython3.8"
> ./configure \
> --prefix=/usr/local/gdb-test \
> --with-python=/usr/local/pyenv/versions/3.8-dev
>
> no errors.
>
> make FAILs @ gdbsupport/gdb_proc_service.h
>
> make V=1
> ...
> /usr/bin/g++-10 -O3 -Wall -fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables -fmessage-length=0 -grecord-gcc-switches -march=native -mtune=native -std=c++17 -I. -I. -I./../gdb/regformats -I./.. -I./../include -I./../gdb -I./../gnulib/import -I../gnulib/import -I./.. -I.. -O3 -Wall -fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables -fmessage-length=0 -grecord-gcc-switches -march=native -mtune=native -D_FORTIFY_SOURCE=2 -pthread -Wall -Wpointer-arith -Wno-unused -Wunused-value -Wunused-variable -Wunused-function -Wno-switch -Wno-char-subscripts -Wempty-body -Wunused-but-set-parameter -Wunused-but-set-variable -Wno-sign-compare -Wno-error=maybe-uninitialized -Wno-mismatched-tags -Wsuggest-override -Wimplicit-fallthrough=3 -Wduplicated-cond -Wshadow=local -Wdeprecated-copy -Wdeprecated-copy-dtor -Wredundant-move -Wmissing-declarations -Wstrict-null-sentinel -Wformat -Wformat-nonliteral -Werror -DGDBSERVER -c -o linux-low.o -MT linux-low.o -MMD -MP -MF ./.deps/linux-low.Tpo linux-low.cc
I can reproduce this by using CXXFLAGS=-std=c++17 (which for some reason
I don't see mentioned in the build settings description above).
> In file included from gdb_proc_service.h:22,
> from linux-low.h:27,
> from linux-low.cc:20:
> ./../gdbsupport/gdb_proc_service.h:177:50: error: expected constructor, destructor, or type conversion before ‘(’ token
> 177 | __attribute__((visibility ("default"))) typeof (SYM) SYM
> | ^
> ./../gdbsupport/gdb_proc_service.h:179:1: note: in expansion of macro ‘PS_EXPORT’
> 179 | PS_EXPORT (ps_get_thread_area);
> | ^~~~~~~~~
> ./../gdbsupport/gdb_proc_service.h:177:50: error: expected constructor, destructor, or type conversion before ‘(’ token
> 177 | __attribute__((visibility ("default"))) typeof (SYM) SYM
> | ^
> ./../gdbsupport/gdb_proc_service.h:180:1: note: in expansion of macro ‘PS_EXPORT’
> 180 | PS_EXPORT (ps_getpid);
> | ^~~~~~~~~
> ./../gdbsupport/gdb_proc_service.h:177:50: error: expected constructor, destructor, or type conversion before ‘(’ token
> 177 | __attribute__((visibility ("default"))) typeof (SYM) SYM
> | ^
> ./../gdbsupport/gdb_proc_service.h:181:1: note: in expansion of macro ‘PS_EXPORT’
> 181 | PS_EXPORT (ps_lcontinue);
> | ^~~~~~~~~
> ./../gdbsupport/gdb_proc_service.h:177:50: error: expected constructor, destructor, or type conversion before ‘(’ token
> 177 | __attribute__((visibility ("default"))) typeof (SYM) SYM
> | ^
> ./../gdbsupport/gdb_proc_service.h:182:1: note: in expansion of macro ‘PS_EXPORT’
> 182 | PS_EXPORT (ps_lgetfpregs);
> | ^~~~~~~~~
> ./../gdbsupport/gdb_proc_service.h:177:50: error: expected constructor, destructor, or type conversion before ‘(’ token
> 177 | __attribute__((visibility ("default"))) typeof (SYM) SYM
> | ^
> ./../gdbsupport/gdb_proc_service.h:183:1: note: in expansion of macro ‘PS_EXPORT’
> 183 | PS_EXPORT (ps_lgetregs);
> | ^~~~~~~~~
> ./../gdbsupport/gdb_proc_service.h:177:50: error: expected constructor, destructor, or type conversion before ‘(’ token
> 177 | __attribute__((visibility ("default"))) typeof (SYM) SYM
> | ^
> ./../gdbsupport/gdb_proc_service.h:184:1: note: in expansion of macro ‘PS_EXPORT’
> 184 | PS_EXPORT (ps_lsetfpregs);
> | ^~~~~~~~~
> ./../gdbsupport/gdb_proc_service.h:177:50: error: expected constructor, destructor, or type conversion before ‘(’ token
> 177 | __attribute__((visibility ("default"))) typeof (SYM) SYM
> | ^
> ./../gdbsupport/gdb_proc_service.h:185:1: note: in expansion of macro ‘PS_EXPORT’
> 185 | PS_EXPORT (ps_lsetregs);
> | ^~~~~~~~~
> ./../gdbsupport/gdb_proc_service.h:177:50: error: expected constructor, destructor, or type conversion before ‘(’ token
> 177 | __attribute__((visibility ("default"))) typeof (SYM) SYM
> | ^
> ./../gdbsupport/gdb_proc_service.h:186:1: note: in expansion of macro ‘PS_EXPORT’
> 186 | PS_EXPORT (ps_lstop);
> | ^~~~~~~~~
> ./../gdbsupport/gdb_proc_service.h:177:50: error: expected constructor, destructor, or type conversion before ‘(’ token
> 177 | __attribute__((visibility ("default"))) typeof (SYM) SYM
> | ^
> ./../gdbsupport/gdb_proc_service.h:187:1: note: in expansion of macro ‘PS_EXPORT’
> 187 | PS_EXPORT (ps_pcontinue);
> | ^~~~~~~~~
> ./../gdbsupport/gdb_proc_service.h:177:50: error: expected constructor, destructor, or type conversion before ‘(’ token
> 177 | __attribute__((visibility ("default"))) typeof (SYM) SYM
> | ^
> ./../gdbsupport/gdb_proc_service.h:188:1: note: in expansion of macro ‘PS_EXPORT’
> 188 | PS_EXPORT (ps_pdread);
> | ^~~~~~~~~
> ./../gdbsupport/gdb_proc_service.h:177:50: error: expected constructor, destructor, or type conversion before ‘(’ token
> 177 | __attribute__((visibility ("default"))) typeof (SYM) SYM
> | ^
> ./../gdbsupport/gdb_proc_service.h:189:1: note: in expansion of macro ‘PS_EXPORT’
> 189 | PS_EXPORT (ps_pdwrite);
> | ^~~~~~~~~
> ./../gdbsupport/gdb_proc_service.h:177:50: error: expected constructor, destructor, or type conversion before ‘(’ token
> 177 | __attribute__((visibility ("default"))) typeof (SYM) SYM
> | ^
> ./../gdbsupport/gdb_proc_service.h:190:1: note: in expansion of macro ‘PS_EXPORT’
> 190 | PS_EXPORT (ps_pglobal_lookup);
> | ^~~~~~~~~
> ./../gdbsupport/gdb_proc_service.h:177:50: error: expected constructor, destructor, or type conversion before ‘(’ token
> 177 | __attribute__((visibility ("default"))) typeof (SYM) SYM
> | ^
> ./../gdbsupport/gdb_proc_service.h:191:1: note: in expansion of macro ‘PS_EXPORT’
> 191 | PS_EXPORT (ps_pstop);
> | ^~~~~~~~~
> ./../gdbsupport/gdb_proc_service.h:177:50: error: expected constructor, destructor, or type conversion before ‘(’ token
> 177 | __attribute__((visibility ("default"))) typeof (SYM) SYM
> | ^
> ./../gdbsupport/gdb_proc_service.h:192:1: note: in expansion of macro ‘PS_EXPORT’
> 192 | PS_EXPORT (ps_ptread);
> | ^~~~~~~~~
> ./../gdbsupport/gdb_proc_service.h:177:50: error: expected constructor, destructor, or type conversion before ‘(’ token
> 177 | __attribute__((visibility ("default"))) typeof (SYM) SYM
> | ^
> ./../gdbsupport/gdb_proc_service.h:193:1: note: in expansion of macro ‘PS_EXPORT’
> 193 | PS_EXPORT (ps_ptwrite);
> | ^~~~~~~~~
> make[2]: *** [Makefile:545: linux-low.o] Error 1
> make[2]: Leaving directory '/usr/local/src/binutils-gdb/gdbserver'
> make[1]: *** [Makefile:11295: all-gdbserver] Error 2
> make[1]: Leaving directory '/usr/local/src/binutils-gdb'
> make: *** [Makefile:854: all] Error 2
>
>
> not yet clear if that's a bug in gdb source, or an issue with (as yet, still unreleased) GCC10
I reproduced this using the exact same gcc, as well as with gcc-7, gcc-8
and gcc-9.
Thanks,
- Tom
next prev parent reply other threads:[~2020-03-26 7:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-25 23:25 PGNet Dev
2020-03-26 7:17 ` Tom de Vries [this message]
2020-03-26 8:08 ` Tom de Vries
2020-03-26 17:18 ` PGNet Dev
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