Hello Khem,

On Thu, 2026-01-22 at 09:19 -0800, Khem Raj via lists.openembedded.org
wrote:
> 
> 
> On Thu, Jan 22, 2026 at 7:31 AM Thomas Perrot via
> lists.openembedded.org
> <[email protected]> wrote:
> > From: Thomas Perrot <[email protected]>
> > 
> > OpenSBI requires the gcc toolchain to build correctly. Set
> > TOOLCHAIN
> > explicitly to prevent build failures when using alternative
> > toolchains.
> > 
> 
> 
> I am assuming you are having issues compiling it with clang, it would
> be good to document whats going wrong.
> Since it's a bug to address, openSBI does not intend to use a
> particular compiler.
>  

We are figuring out the linker issue when Clang is used as the default
toolchain. We haven't taken the time to figure it out yet.

Kind regards,
Thomas Perrot

> > 
> > Signed-off-by: Thomas Perrot <[email protected]>
> > ---
> >  meta/recipes-bsp/opensbi/opensbi_1.8.1.bb | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/meta/recipes-bsp/opensbi/opensbi_1.8.1.bb
> > b/meta/recipes-bsp/opensbi/opensbi_1.8.1.bb
> > index 0a9652c2831e..52d7b38ff2ba 100644
> > --- a/meta/recipes-bsp/opensbi/opensbi_1.8.1.bb
> > +++ b/meta/recipes-bsp/opensbi/opensbi_1.8.1.bb
> > @@ -15,6 +15,8 @@ TARGET_DBGSRC_DIR =
> > "/share/opensbi/*/generic/firmware/"
> > 
> >  TARGET_CC_ARCH += "${LDFLAGS}"
> > 
> > +TOOLCHAIN = "gcc"
> > +
> >  RISCV_SBI_FW_TEXT_START ??= "0x80000000"
> >  EXTRA_OEMAKE += "REPRODUCIBLE=y CROSS_COMPILE=${HOST_PREFIX}
> > ELFFLAGS="${LDFLAGS}" PLATFORM=${RISCV_SBI_PLAT} I=${D}
> > FW_TEXT_START=${RISCV_SBI_FW_TEXT_START}"
> >  EXTRA_OEMAKE:append:toolchain-clang = " LLVM=y"
> > 
> > 
> > 

-- 
Thomas Perrot, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com

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