slinux: do not set KFLAVOURS for sisyphus

features.in/slinux/config.mk

@@ -63,8 +63,10 @@ endif
 ifeq (,$(filter-out riscv64,$(ARCH)))
 use/slinux/vm-base:: use/oem/vnc
 	@$(call add,THE_PACKAGES,xfce-reduced-resource)
+ifneq (,$(filter-out sisyphus,$(BRANCH)))
 	@$(call set,KFLAVOURS,un-def)
 endif
+endif
 
 use/slinux/mixin-base: use/slinux \
 	+x11 use/x11/3d \
@@ -88,9 +90,11 @@ use/slinux/mixin-base: use/slinux \
 ifeq (,$(filter-out e2k%,$(ARCH)))
 	@$(call add,THE_LISTS,$(call tags,xscreensaver && (base || desktop)))
 endif
+ifneq (,$(filter-out sisyphus,$(BRANCH)))
 ifeq (,$(filter-out aarch64 i586 x86_64,$(ARCH)))
 	@$(call set,KFLAVOURS,std-def)
 endif
+endif
 
 use/slinux/live: use/live/x11 use/live/rw \
 	use/live/repo \
@@ -121,8 +125,10 @@ endif
 
 use/slinux/full: use/slinux/base
 ifeq (,$(filter-out x86_64,$(ARCH)))
+ifneq (,$(filter-out sisyphus,$(BRANCH)))
 	@$(call set,KFLAVOURS,un-def std-def)
 endif
+endif
 	@$(call add,MAIN_LISTS,slinux/not-install-full)
 	@$(call add,THE_LISTS,slinux/misc-full)
 ifeq (,$(filter-out i586 x86_64,$(ARCH)))