pack: ensure e2k support on e2k

The culprit is that e2k has exactly one kernel flavour available at the moment, elbrus-def (there used to be per-CPU flavours in p8 times -- elbrus-{4c,8c,1cp} -- but these aren't needed anymore), but there are no std-def/un-def kernels or provides available. There's more to it, but lacking a kernel is critical. Maybe other arches might do similar things when needed, or maybe this gets reverted in favour of a more generic approach; but patching all starterkits or messing with p9.mk per-arch (while leaving out regular builds or any other image that might just build) looks worse.

pack: ensure e2k support on e2k
293ec5dc · Michael Shigorin · 2918748c · 293ec5dc
Commit 293ec5dc authored Aug 21, 2020 by Michael Shigorin
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config.mk features.in/pack/config.mk +5 -1

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--- a/features.in/pack/config.mk
+++ b/features.in/pack/config.mk
@@ -3,9 +3,13 @@
 # distributions
 DISTRO_EXTS := .iso

-use/pack:
+use/pack::
 	@$(call add_feature)

+ifeq (,$(filter-out e2k%,$(ARCH)))
+use/pack:: use/e2k; @:
+endif
+
 # fallback type is isodata, might get set elsewhere to produce bootable iso
 use/pack/iso: use/pack
 	@$(call try,IMAGE_PACKTYPE,isodata)