Hi hauke，
uClibc-ng supported function: getcontext, makecontext, swapcontext，
There are times when we need to use it to deal with the backtrace.
I think it should be free to select.
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From: Hauke Mehrtens
Date: 2019-10-19 17:43
To: daxiong; openwrt-devel
Subject: Re: [OpenWrt-Devel] [PATCH 1/1] build: fix select uClibc
On 10/15/19 12:52 PM, daxiong wrote:
> Signed-off-by: daxiong <lx...@ikuai8.com>
> ---
> toolchain/Config.in | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/toolchain/Config.in b/toolchain/Config.in
> index 95087b7..0d288aa 100644
> --- a/toolchain/Config.in
> +++ b/toolchain/Config.in
> @@ -252,7 +252,7 @@ choice
> select USE_UCLIBC
> bool "Use uClibc"
> depends on !(aarch64 || aarch64_be || powerpc64)
> - depends on BROKEN || !(arm || armeb || i386 || x86_64 || mips || mipsel ||
> mips64 || mips64el || powerpc)
> + depends on BROKEN || (arm || armeb || i386 || x86_64 || mips || mipsel ||
> mips64 || mips64el || powerpc)
>
> config LIBC_USE_MUSL
> select USE_MUSL
>
I think this is intentional. uClibc should only be available on targets
which are not supported by musl libc, which is currently only arc.
Hauke
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