gdb/head build, with GCC10, FAILs @ "error: expected constructor, destructor, or type conversion before ‘(’ token" ?

PGNet Dev pgnet.dev@gmail.com
Wed Mar 25 23:25:06 GMT 2020


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
		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 



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