From: Matt Andrews <mattandrews@gmail.com>
To: musl@lists.openwall.com
Subject: Re: [musl] Newbie cross compiling with LLVM
Date: Tue, 12 Oct 2021 16:55:17 +1100 [thread overview]
Message-ID: <CAD0C5PDA_Q3mWZMvLokmLqtpFTLBRR36eAXn5un3DL84vG=RuA@mail.gmail.com> (raw)
In-Reply-To: <CAEqUM+fQ2f=Gt8NQd-dPVzJnL5T80jh7_DwYCHKN_5uGpFz48Q@mail.gmail.com>
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> --rtlib=compiler-rt
Is that a compiler option or a linker option? I used it in both places, but
still get the same error.
On Tue, Oct 12, 2021 at 4:00 PM Nagakamira <nagakamira@gmail.com> wrote:
> --rtlib=compiler-rt
>
> On Tue, Oct 12, 2021, 7:58 AM Matt Andrews <mattandrews@gmail.com> wrote:
>
>> > -fuse-ld=lld
>>
>> I actually used
>>
>> -fuse-ld=ld.lld
>>
>> That did the trick, but has unlocked another error
>>
>> ld.lld: error: unable to find library -lgcc
>> ld.lld: error: unable to find library -lgcc_eh
>>
>> I thought musl compiles with it's own headers?
>>
>> On Tue, Oct 12, 2021 at 3:54 PM Nagakamira <nagakamira@gmail.com> wrote:
>>
>>> -fuse-ld=lld
>>>
>>> On Tue, Oct 12, 2021, 3:26 AM Jeffrey Walton <noloader@gmail.com> wrote:
>>>
>>>> On Mon, Oct 11, 2021 at 7:55 PM Matt Andrews <mattandrews@gmail.com>
>>>> wrote:
>>>> >
>>>> > >> How do I specify which linker to use?
>>>> > >
>>>> > >LD. Also see
>>>> https://www.gnu.org/software/make/manual/html_node/Implicit-Variables.html
>>>> .
>>>> >
>>>> > Looking at the ./configure for musl (which is not based on autoconf
>>>> according to the docs), there is no mention of LD. Setting LD for
>>>> ./configure and/or the call to make still results in the error.
>>>> >
>>>> > Who calls the linker? The compiler or make? Shouldn't clang know
>>>> where it's linker is? How to tell clang which linker to use?
>>>>
>>>> You can have the compiler driver call the linker for you by specifying
>>>> -o with an output file name. In that case, $CC or $CXX will drive the
>>>> link. And in this case, your LDFLAGS should prefix options with -Wl to
>>>> tell the compiler driver the option is for the linker.
>>>>
>>>> Jeff
>>>>
>>>
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next prev parent reply other threads:[~2021-10-12 5:55 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-10 20:56 Matt Andrews
2021-10-10 22:43 ` Quentin Rameau
2021-10-10 23:21 ` Matt Andrews
2021-10-11 17:20 ` Khem Raj
2021-10-11 17:40 ` Jeffrey Walton
2021-10-11 23:55 ` Matt Andrews
2021-10-12 0:24 ` Jeffrey Walton
2021-10-12 4:53 ` Nagakamira
2021-10-12 4:57 ` Matt Andrews
2021-10-12 5:00 ` Nagakamira
2021-10-12 5:55 ` Matt Andrews [this message]
2021-10-12 6:09 ` Nagakamira
2021-10-13 2:34 ` Matt Andrews
2021-10-13 5:35 ` Nagakamira
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