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From: Szabolcs Nagy <nsz@port70.net>
To: Jiahao XU <Jiahao_XU@outlook.com>
Cc: "musl@lists.openwall.com" <musl@lists.openwall.com>
Subject: Re: [musl] Can’t build musl with lto=thin
Date: Fri, 29 Jan 2021 21:04:16 +0100	[thread overview]
Message-ID: <20210129200416.GA2447252@port70.net> (raw)
In-Reply-To: <SYBP282MB0202FA24200DAEBF962C59088AB99@SYBP282MB0202.AUSP282.PROD.OUTLOOK.COM>

* Jiahao XU <Jiahao_XU@outlook.com> [2021-01-29 12:19:42 +0000]:
> musl-1.2.2 compilation with clang-11 failed to build libc.so at the final linking stage:
>     ld.lld: error: undefined hidden symbol: __dls2
>     >>> referenced by ld-temp.o
>     >>>                          lto.tmp:(_dlstart_c)
>     >>> did you mean: __dls3
>     >>> defined in: lto.tmp


looks like a clang bug if -flto changes behaviour, doesn't it?


> 
> I am using CFLAGS=‘-march=native -mtune=native -Oz -flto -fmerge-all-constants -fomit-frame-pointer’ and LDFLAGS=‘-flto -fuse-ld=lld -Wl,—plugin-opt=O3,-O3,—icf=safe’.
> No configure option is supplied.
> 
> Get Outlook for iOS<https://aka.ms/o0ukef>

  reply	other threads:[~2021-01-29 20:04 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-29 12:19 Jiahao XU
2021-01-29 20:04 ` Szabolcs Nagy [this message]
2021-01-29 20:53   ` Fangrui Song
2021-01-30 20:12 ` Rich Felker
2021-01-30 20:59   ` Леонид Юрьев (Leonid Yuriev)
     [not found]   ` <SYBP282MB020277E08EB49C9AC9BF90888AB89@SYBP282MB0202.AUSP282.PROD.OUTLOOK.COM>
2021-01-30 23:30     ` Rich Felker
     [not found]       ` <SYBP282MB0202BF16DD08A2F1537FD5428AB89@SYBP282MB0202.AUSP282.PROD.OUTLOOK.COM>
2021-01-31  5:01         ` Rich Felker
2021-01-31  5:32           ` Jiahao XU
2021-01-31 21:01             ` Rich Felker
2021-01-31 22:29               ` Jiahao XU
2021-02-01  0:22               ` Jiahao XU
2021-02-01  0:31                 ` Jiahao XU
2021-02-01  0:44                   ` Jiahao XU
2021-02-01  0:50                     ` Jiahao XU
2021-02-01 13:20                       ` Jiahao XU
2021-02-01 16:55                         ` Nick Bray
2021-02-01 17:53                   ` Rich Felker
2021-02-01 18:06                     ` Fangrui Song
2021-02-01 21:20                       ` Jiahao XU
2021-02-13 17:54                         ` Tim Tassonis
2021-02-14  5:59                           ` Markus Wichmann

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