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Message-Id: <1165D9B8-DEDB-4393-B734-3FC1AFFAB46F@gmail.com>
Date: Wed, 22 Jun 2016 21:38:17 +0200
From: Julien Ramseier <j.ramseier@...il.com>
To: musl@...ts.openwall.com
Subject: Re: Issues when building libcxx libcxxabi with MUSL
Hi Zhao,
Not sure how you did build llvm-libcxx, but the only issue I encountered myself is
the use of PTHREAD_MUTEX_INITIALIZER in libcxx include/__mutex_base.
musl uses volatile types in its pthread_mutex_t struct and C++11 does not allow them
with constexpr member initializers. This rule has been relaxed in C++14.
Julien
> Le 22 juin 2016 à 21:24, Zhao, Weiming <weimingz@...eaurora.org> a écrit :
>
> Hi,
>
> I tried to build libcxx/libcxxabi using MUSL. Compiler is clang.
>
> The build issues I got:
>
> 1) In libcxx, it complains that some pthread structure is not completely initialized.
>
> 2) Some types like max_align_t are already defined in clang's include.
>
> 3) libcxx can't find it's own math.h
>
> A patch is attached. Please review if the changes are correct.
>
>
> Thank,
>
> Weiming
>
>
>
>
> --
> Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation
>
> <build_libcxx.patch>
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