From: Jonathan Wakely <jwakely.gcc@gmail.com>
To: Yeting Kuo <fakepaper56@gmail.com>
Cc: gcc-help <gcc-help@gcc.gnu.org>
Subject: Re: G++ driver missing option when sending to collect2
Date: Thu, 25 Feb 2021 07:23:16 +0000 [thread overview]
Message-ID: <CAH6eHdSrzoAf3yexPkVCzavTykQh_jO6Ufc+b8FQJXXeFkZezQ@mail.gmail.com> (raw)
In-Reply-To: <CAGhUdNi=2KqMBqTQ+jFGviYZzaFXmmBui+0-6LCGM85u6we-Zg@mail.gmail.com>
On Thu, 25 Feb 2021, 02:46 Yeting Kuo via Gcc-help, <gcc-help@gcc.gnu.org>
wrote:
> Hi all,
> I have a compiler driver issue when using g++. I want to check whether it
> is a bug.
> I send '-Wl,--start-group x.o -lc -Wl,--end-group' to g++, but the command
> collect2 received is '--start-group x.o --end-group' like the following
> commands:
>
Does it cause a problem? The g++ driver automatically links to libstdc++
and that depends on libc, so the -lc argument has to be after -lstdc++.
Otherwise for static linking the linker could open libc.a before it knows
about the symbols that libstdc++.a needs from it.
next prev parent reply other threads:[~2021-02-25 7:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-25 2:13 Yeting Kuo
2021-02-25 7:23 ` Jonathan Wakely [this message]
2021-02-26 1:57 ` Yeting Kuo
2021-02-26 19:15 ` Jim Wilson
2021-03-02 11:41 ` Yeting Kuo
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