introduced lib/kernel.mk helper makefile

Sometimes it's desirable to provide the kernel supporting maximal amount of RAM on the system; bad news is that x86 has a kludge named PAE, good news is that x86_64 doesn't need it at all; but now we must be able to choose between those. BIGRAM will hold the flavour needed.

introduced lib/kernel.mk helper makefile
305e97d5 · Michael Shigorin · 6647e899 · 305e97d5 · 305e97d5
Commit 305e97d5 authored Apr 23, 2012 by Michael Shigorin
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live.mk conf.d/live.mk +1 -0

kernel.mk lib/kernel.mk +10 -0

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--- a/conf.d/live.mk
+++ b/conf.d/live.mk
@@ -21,6 +21,7 @@ distro/live-isomd5sum: distro/.base use/live/base use/isomd5sum

 distro/live-builder: pkgs := livecd-tmpfs livecd-online-repo mkimage-profiles
 distro/live-builder: distro/.live-base use/dev/mkimage use/dev/repo
+	@$(call set,KFLAVOURS,$(BIGRAM))
 	@$(call add,LIVE_LISTS,$(call tags,base && (server || builder)))
 	@$(call add,LIVE_PACKAGES,zsh sudo)
 	@$(call add,LIVE_PACKAGES,$(pkgs))

--- a/lib/kernel.mk
+++ b/lib/kernel.mk
+ifndef MKIMAGE_PROFILES
+$(error this makefile is designed to be included in toplevel one)
+endif
+
+# choose std kernel flavour for max RAM size support
+ifeq (i586,$(ARCH))
+BIGRAM := std-pae
+else
+BUGRAM := std-def
+endif