Date: Tue, 5 Jun 2018 19:49:31 +0200 From: Dimitry Andric <dim@FreeBSD.org> To: Mark Millard <marklmi@yahoo.com> Cc: svn-src-head@freebsd.org, freebsd-toolchain@freebsd.org, mmacy@FreeBSD.org Subject: Re: svn commit: r334647 - in head: . . . [this broke ci.freebsd.org's FreeBSD-head-amd64-gcc build but via an include/c++/v1/ problem] Message-ID: <39385E73-A75B-4E61-91D3-4CA86252AEDA@FreeBSD.org> In-Reply-To: <5D1C2920-2206-4602-BD2D-D1298E5D62EE@yahoo.com> References: <5D1C2920-2206-4602-BD2D-D1298E5D62EE@yahoo.com>
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[-- Attachment #1 --] On 5 Jun 2018, at 15:03, Mark Millard via freebsd-toolchain <freebsd-toolchain@freebsd.org> wrote: > > https://ci.freebsd.org/job/FreeBSD-head-amd64-gcc/5974/consoleText shows: > > --- all_subdir_usr.sbin/pmc --- > In file included from /workspace/obj/workspace/src/amd64.amd64/tmp/usr/include/c++/v1/ios:216:0, > from /workspace/obj/workspace/src/amd64.amd64/tmp/usr/include/c++/v1/iostream:38, > from /workspace/src/usr.sbin/pmc/cmd_pmc_filter.cc:71: > /workspace/obj/workspace/src/amd64.amd64/tmp/usr/include/c++/v1/__locale: At global scope: > /workspace/obj/workspace/src/amd64.amd64/tmp/usr/include/c++/v1/__locale:1237:40: error: redundant redeclaration of 'void std::__1::__throw_runtime_error(const char*)' in same scope [-Werror=redundant-decls] > _LIBCPP_NORETURN _LIBCPP_FUNC_VIS void __throw_runtime_error(const char*); > ^~~~~~~~~~~~~~~~~~~~~ > In file included from /workspace/obj/workspace/src/amd64.amd64/tmp/usr/include/c++/v1/memory:663:0, > from /workspace/obj/workspace/src/amd64.amd64/tmp/usr/include/c++/v1/algorithm:643, > from /workspace/obj/workspace/src/amd64.amd64/tmp/usr/include/c++/v1/__string:56, > from /workspace/obj/workspace/src/amd64.amd64/tmp/usr/include/c++/v1/string_view:176, > from /workspace/obj/workspace/src/amd64.amd64/tmp/usr/include/c++/v1/string:477, > from /workspace/obj/workspace/src/amd64.amd64/tmp/usr/include/c++/v1/__locale:15, > from /workspace/obj/workspace/src/amd64.amd64/tmp/usr/include/c++/v1/ios:216, > from /workspace/obj/workspace/src/amd64.amd64/tmp/usr/include/c++/v1/iostream:38, > from /workspace/src/usr.sbin/pmc/cmd_pmc_filter.cc:71: > /workspace/obj/workspace/src/amd64.amd64/tmp/usr/include/c++/v1/stdexcept:186:40: note: previous declaration of 'void std::__1::__throw_runtime_error(const char*)' > _LIBCPP_NORETURN _LIBCPP_FUNC_VIS void __throw_runtime_error(const char*); > ^~~~~~~~~~~~~~~~~~~~~ > > > It looks like the new #include of iostream brings in code that gcc rejected above: > > --- head/usr.sbin/pmc/cmd_pmc_filter.c Mon Jun 4 23:17:18 2018 (r334645, copy source) > +++ head/usr.sbin/pmc/cmd_pmc_filter.cc Tue Jun 5 04:26:40 2018 (r334647) > @@ -68,11 +68,22 @@ __FBSDID("$FreeBSD$"); > #include <libpmcstat.h> > #include "cmd_pmc.h" > > +#include <iostream> > . . . I don't think anybody has yet tested building libc++ headers with the combination of recent gcc, -Wsystem-headers, and -Werror. :) For now, try disabling -Wredundant-decls. -Dimitry [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.2 iF0EARECAB0WIQR6tGLSzjX8bUI5T82wXqMKLiCWowUCWxbNKwAKCRCwXqMKLiCW o4H2AKDqCHPXYzdhSl1mwKRaofQ1jHb64ACfSzBkig7ze8tWy/sRWBt8hkL1B88= =qbEF -----END PGP SIGNATURE-----
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