Re: [PATCH 1/3] parisc: Makefile: use the regular compiler to build a native 32-bit vDSO

[Helge Deller]

Hi Thomas,

On 4/7/26 18:37, Thomas Weißschuh wrote:
> When building a native 32-bit kernel $(CC) the compiler is obviously
> able to compile 32-bit code. There is no need to force the user to
> configure a dedicated 32-bit compiler.
>
> Use the regular compiler for the 32-bit vDSO when it is sufficient.
>
> Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>

This part is quite fragile, especially since the kernel is often also
cross built...
I can add the series to for-next branch of the parisc git tree to see if this
breaks somewhere. (unless you take care of it at another git tree?)

Helge

> ---
>   arch/parisc/Makefile | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
> index 48ae3c79557a..57320e1d8396 100644
> --- a/arch/parisc/Makefile
> +++ b/arch/parisc/Makefile
> @@ -39,6 +39,7 @@ endif
>   
>   export LD_BFD
>   
> +ifdef CONFIG_64BIT
>   # Set default 32 bits cross compilers for vdso.
>   # This means that for 64BIT, both the 64-bit tools and the 32-bit tools
>   # need to be in the path.
> @@ -48,6 +49,9 @@ CROSS32_COMPILE := $(call cc-cross-prefix, \
>   	$(foreach a,$(CC_ARCHES_32), \
>   	$(foreach s,$(CC_SUFFIXES),$(a)-$(s)-)))
>   CROSS32CC := $(CROSS32_COMPILE)gcc
> +else
> +CROSS32CC := $(CC)
> +endif
>   export CROSS32CC
>   
>   # Set default cross compiler for kernel build