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From: Szabolcs Nagy <nsz@port70.net>
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Subject: Re: [PATCH] fix unresolved symbol issues on ARMv7 due to
 raise/divmod dependency
Date: Tue, 23 Feb 2016 21:43:37 +0100
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* Dima Krasner <dima@dimakrasner.com> [2016-02-23 22:21:20 +0200]:
> Similar to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=31798
> 
> Signed-off-by: Dima Krasner <dima@dimakrasner.com>
> ---
>  tools/ld.musl-clang.in | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/ld.musl-clang.in b/tools/ld.musl-clang.in
> index 93763d6..bb6cbaf 100644
> --- a/tools/ld.musl-clang.in
> +++ b/tools/ld.musl-clang.in
> @@ -48,4 +48,5 @@ for x ; do
>      esac
>  done
>  
> -exec $($cc -print-prog-name=ld) -nostdlib "$@" -lc -dynamic-linker "$ldso"
> +lgcc=$($cc -print-file-name=libgcc.a)
> +exec $($cc -print-prog-name=ld) -nostdlib "$@" --as-needed $lgcc --no-as-needed -lc --as-needed $lgcc --no-as-needed -dynamic-linker "$ldso"

this workaround should be only done if clang uses libgcc
(and not compiler_rt)