Date: Fri, 28 Mar 2014 13:25:42 -0700 From: Craig Rodrigues <rodrigc@FreeBSD.org> To: Dimitry Andric <dim@freebsd.org> Cc: Larry Baird <lab@maxwell.gta.com>, FreeBSD stable <freebsd-stable@freebsd.org>, Ian Lepore <ian@freebsd.org> Subject: Re: HEADS UP: merged llvm/clang 3.4 Message-ID: <CAG=rPVcM6KOAd2y8zyYP6GJmQ3EkVu%2Bm-r1OcPmS0TUQGKy=AA@mail.gmail.com> In-Reply-To: <B373566C-03DB-4508-9088-4E343A2638F5@FreeBSD.org> References: <20140328165121.13797.qmail@mailgate.gta.com> <6F2AEDEC-4173-45B0-9C21-1D80E33660F6@FreeBSD.org> <1396029772.81853.150.camel@revolution.hippie.lan> <B373566C-03DB-4508-9088-4E343A2638F5@FreeBSD.org>
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On Fri, Mar 28, 2014 at 11:11 AM, Dimitry Andric <dim@freebsd.org> wrote: > > You need to rebuild the system anyway, if you want debug information, so > nothing changed? If you insist on wanting to use the crummy gdb in > base, which should have been axed years ago, then just use > DEBUG_FLAGS=-gdwarf-2, otherwise use ports gdb, which any sensible > person should do. > > -Dimitry > This kind of thing is OK for HEAD, but to me seems like something which is not OK for a stable branch. Before your change: "cc -g" from base + gdb in base = can debug After your change: "cc -g" from base + gdb in base = cannot debug Is it possible to modify clang in base, so that on the stable branches, "cc -g" will output dwarf-2 instead of dwarf-4 by default? I understand that installing gdb from ports, changing compiler flags from -g to -gdwarf-2 in Makefiles, or switching to compiling with gcc are all reasonable workarounds, but this seems a bit like POLA for a stable branch. -- Craig
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