Re: [Buildroot] [PATCH v2 1/4] arch/Config.in.riscv: lp64f ABI is only supported if MMU is enabled

["Yann E. MORIN" <yann.morin.1998@free.fr>]

Thomas, All,

On 2022-07-26 18:39 +0200, Thomas Petazzoni via buildroot spake thusly:
> Even though that seems weird, the LP64F ABI is only supported when MMU
> support is enabled. Indeed, as per commit
> 9a51381cedc16e6d70cb85e1144f6e0fa89af69a ("package/uclibc: prevent
> config with unsupported RISC-V float ABI"), uClibc does not support
> LP64F. But uClibc is the only C library that support RISC-V 64-bit
> noMMU.
> 
> So the selection of LP64F and !MMU is impossible. Right now this
> selection causes a build failure as no C library is enabled.
> 
> This commit fixes this by ensuring we cannot use LP64F when MMU
> support is not available.
> 
> Fixes:
> 
>   http://autobuild.buildroot.net/results/6320dcc655f1871eb8bf6a9689bddde7447385f5/
> 
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

Applied to master, thanks.

Regards,
Yann E. MORIN.

> ---
>  arch/Config.in.riscv | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/Config.in.riscv b/arch/Config.in.riscv
> index 288ed833eb..30bdcaa80b 100644
> --- a/arch/Config.in.riscv
> +++ b/arch/Config.in.riscv
> @@ -108,6 +108,7 @@ config BR2_RISCV_ABI_LP64
>  config BR2_RISCV_ABI_LP64F
>  	bool "lp64f"
>  	depends on BR2_ARCH_IS_64 && BR2_RISCV_ISA_RVF
> +	depends on BR2_USE_MMU
>  
>  config BR2_RISCV_ABI_LP64D
>  	bool "lp64d"
> -- 
> 2.37.1
> 
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