On Tue, Oct 14, 2025 at 03:05:18PM +0200, Thomas Weißschuh wrote: > The generic test for CC_CAN_LINK assumes that all architectures use -m32 > and -m64 to switch between 32-bit and 64-bit compilation. This is overly > simplistic. Architectures may use other flags (-mabi, -m31, etc.) or may > also require byte order handling (-mlittle-endian, -EL). Expressing all > of the different possibilities will be very complicated and brittle. > Instead allow architectures to supply their own logic which will be > easy to understand and evolve. > > Both the boolean ARCH_HAS_CC_CAN_LINK and the string ARCH_USERFLAGS need > to be implemented as kconfig does not allow the reuse of string options. > > Signed-off-by: Thomas Weißschuh <[email protected]> > --- > Makefile | 13 +++++++++++-- > init/Kconfig | 4 ++++ > 2 files changed, 15 insertions(+), 2 deletions(-) > > diff --git a/Makefile b/Makefile > index > 17cfa11ca7163aa3297101ceb3c9e85f4878f12d..26e5bca534e27034c355939bca4c90db435ecdbd > 100644 > --- a/Makefile > +++ b/Makefile > @@ -1134,8 +1134,17 @@ ifneq ($(CONFIG_ARCH_VMLINUX_NEEDS_RELOCS),) > LDFLAGS_vmlinux += --emit-relocs --discard-none > endif > > -# Align the bit size of userspace programs with the kernel > -USERFLAGS_FROM_KERNEL := -m32 -m64 --target=% > +# Align the architecture of userspace programs with the kernel > +USERFLAGS_FROM_KERNEL := --target=% > + > +ifdef CONFIG_ARCH_USERPROGS_CFLAGS
Is this some left-over from a previous version? s/CONFIG_ARCH_USERPROGS_CFLAGS/CONFIG_ARCH_USERFLAGS/ Kind regards, Nicolas
