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Date: Wed, 16 Feb 2022 05:24:48 -0500
From: Jeffrey Walton <noloader@...il.com>
To: musl@...ts.openwall.com
Subject: Re: musl how to use hard float with aarch64-none-elf-gcc
On Wed, Feb 16, 2022 at 4:51 AM SIMONE MIONE <205212@...denti.unimore.it> wrote:
>
> I am trying to integrate musl in a baremetal environment. I already have float support but I can't manage to disable soft-float by musl.
>
> I configure with:
> ./configure --target=aarch64-none-elf --enable-debug --disable-shared
> And simple compile with:
> make
>
> Does anyone know how to use hardfloat instead of soft float? Is there any option or flag? Thank you
The GCC options for hard-floats are -mfpu=neon -mfloat-abi=hard. In
later versions of GCC, you can also use -mfpu=auto (sometimes).
You usually stuff them in CFLAGS and CXXFLAGS during make or when you
setup the environment before running configure.
Jeff
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