initial buildroot for linux 5.15

package/skeleton-init-sysv/Config.in

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+config BR2_PACKAGE_SKELETON_INIT_SYSV
+	bool
+	select BR2_PACKAGE_HAS_SKELETON
+	select BR2_PACKAGE_SKELETON_INIT_COMMON
+
+config BR2_PACKAGE_PROVIDES_SKELETON
+	default "skeleton-init-sysv" if BR2_PACKAGE_SKELETON_INIT_SYSV

package/skeleton-init-sysv/skeleton-init-sysv.mk

@@ -0,0 +1,33 @@
+################################################################################
+#
+# skeleton-init-sysv
+#
+################################################################################
+
+# The skeleton can't depend on the toolchain, since all packages depends on the
+# skeleton and the toolchain is a target package, as is skeleton.
+# Hence, skeleton would depends on the toolchain and the toolchain would depend
+# on skeleton.
+SKELETON_INIT_SYSV_ADD_TOOLCHAIN_DEPENDENCY = NO
+SKELETON_INIT_SYSV_ADD_SKELETON_DEPENDENCY = NO
+
+SKELETON_INIT_SYSV_DEPENDENCIES = skeleton-init-common
+
+SKELETON_INIT_SYSV_PROVIDES = skeleton
+
+define SKELETON_INIT_SYSV_INSTALL_TARGET_CMDS
+	$(call SYSTEM_RSYNC,$(SKELETON_INIT_SYSV_PKGDIR)/skeleton,$(TARGET_DIR))
+endef
+
+# enable/disable swapon/off calls depending on availability of the commands
+define SKELETON_INIT_SYSV_SWAPON_SWAPOFF_INITTAB
+	if [ -x $(TARGET_DIR)/sbin/swapon -a -x $(TARGET_DIR)/sbin/swapoff ]; then \
+		$(SED) '/^#.*\/sbin\/swap/s/^#\+[[:blank:]]*//' $(TARGET_DIR)/etc/inittab; \
+	else \
+		$(SED) '/^[^#].*\/sbin\/swap/s/^/#/' $(TARGET_DIR)/etc/inittab; \
+	fi
+endef
+
+SKELETON_INIT_SYSV_TARGET_FINALIZE_HOOKS += SKELETON_INIT_SYSV_SWAPON_SWAPOFF_INITTAB
+
+$(eval $(generic-package))

package/skeleton-init-sysv/skeleton/dev/log

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+../tmp/log

package/skeleton-init-sysv/skeleton/etc/fstab

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+# <file system>	<mount pt>	<type>	<options>	<dump>	<pass>
+/dev/root	/		ext2	rw,noauto	0	1
+proc		/proc		proc	defaults	0	0
+devpts		/dev/pts	devpts	defaults,gid=5,mode=620,ptmxmode=0666	0	0
+tmpfs		/dev/shm	tmpfs	mode=0777	0	0
+tmpfs		/tmp		tmpfs	mode=1777	0	0
+tmpfs		/run		tmpfs	mode=0755,nosuid,nodev	0	0
+sysfs		/sys		sysfs	defaults	0	0

package/skeleton-init-sysv/skeleton/var/cache

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+../tmp

package/skeleton-init-sysv/skeleton/var/lib/misc

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+../../tmp

package/skeleton-init-sysv/skeleton/var/lock

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+../tmp

package/skeleton-init-sysv/skeleton/var/log

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+../tmp

package/skeleton-init-sysv/skeleton/var/run

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+../run

package/skeleton-init-sysv/skeleton/var/spool

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+../tmp

package/skeleton-init-sysv/skeleton/var/tmp

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+../tmp