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package/skeleton: split out into skeleton-custom

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For the custom skeleton, we practicaly do nothing, except ensure it
contains the basic, required directories, and that those are properly
setup wrt. merged /usr.

Furthermore, our current skeleton is not fit for systemd, and we'll
have to split things out into various skeletons.

So, off-load the custom skeleton into its own package.

Thus, the existing skeleton package is now limited to:

  - when using our default skeleton, install and tweak it properly;

  - when using a custom skeleton, do nothing except for depending on
    the skeleton-custom package.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
[Arnout: split off in a separate patch doing only this]
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Yann E. MORIN 2017-08-02 00:52:12 +02:00 committed by Thomas Petazzoni
parent e2385ce1f4
commit 0c750a027b
5 changed files with 88 additions and 50 deletions
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1
package/Config.in
View File

@ -2,6 +2,7 @@ menu "Target packages"
source "package/busybox/Config.in"
source "package/skeleton/Config.in"
source "package/skeleton-custom/Config.in"
menu "Audio and video applications"
source "package/alsa-utils/Config.in"

3
package/skeleton-custom/Config.in Normal file
View File

@ -0,0 +1,3 @@
config BR2_PACKAGE_SKELETON_CUSTOM
bool
select BR2_PACKAGE_SKELETON

81
package/skeleton-custom/skeleton-custom.mk Normal file
View File

@ -0,0 +1,81 @@
################################################################################
#
# skeleton-custom
#
################################################################################
# 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_CUSTOM_ADD_TOOLCHAIN_DEPENDENCY = NO
SKELETON_CUSTOM_ADD_SKELETON_DEPENDENCY = NO
# The skeleton also handles the merged /usr case in the sysroot
SKELETON_CUSTOM_INSTALL_STAGING = YES
SKELETON_CUSTOM_PATH = $(call qstrip,$(BR2_ROOTFS_SKELETON_CUSTOM_PATH))
ifeq ($(BR2_PACKAGE_SKELETON_CUSTOM)$(BR_BUILDING),yy)
ifeq ($(SKELETON_CUSTOM_PATH),)
$(error No path specified for the custom skeleton)
endif
ifeq ($(BR2_ROOTFS_MERGED_USR),y)
# Ensure the user has prepared a merged /usr.
#
# Extract the inode numbers for all of those directories. In case any is
# a symlink, we want to get the inode of the pointed-to directory, so we
# append '/.' to be sure we get the target directory. Since the symlinks
# can be anyway (/bin -> /usr/bin or /usr/bin -> /bin), we do that for
# all of them.
#
SKELETON_CUSTOM_LIB_INODE = $(shell stat -c '%i' $(SKELETON_CUSTOM_PATH)/lib/.)
SKELETON_CUSTOM_BIN_INODE = $(shell stat -c '%i' $(SKELETON_CUSTOM_PATH)/bin/.)
SKELETON_CUSTOM_SBIN_INODE = $(shell stat -c '%i' $(SKELETON_CUSTOM_PATH)/sbin/.)
SKELETON_CUSTOM_USR_LIB_INODE = $(shell stat -c '%i' $(SKELETON_CUSTOM_PATH)/usr/lib/.)
SKELETON_CUSTOM_USR_BIN_INODE = $(shell stat -c '%i' $(SKELETON_CUSTOM_PATH)/usr/bin/.)
SKELETON_CUSTOM_USR_SBIN_INODE = $(shell stat -c '%i' $(SKELETON_CUSTOM_PATH)/usr/sbin/.)
ifneq ($(SKELETON_CUSTOM_LIB_INODE),$(SKELETON_CUSTOM_USR_LIB_INODE))
SKELETON_CUSTOM_NOT_MERGED_USR += /lib
endif
ifneq ($(SKELETON_CUSTOM_BIN_INODE),$(SKELETON_CUSTOM_USR_BIN_INODE))
SKELETON_CUSTOM_NOT_MERGED_USR += /bin
endif
ifneq ($(SKELETON_CUSTOM_SBIN_INODE),$(SKELETON_CUSTOM_USR_SBIN_INODE))
SKELETON_CUSTOM_NOT_MERGED_USR += /sbin
endif
ifneq ($(SKELETON_CUSTOM_NOT_MERGED_USR),)
$(error The custom skeleton in $(SKELETON_CUSTOM_PATH) is not \
using a merged /usr for the following directories: \
$(SKELETON_CUSTOM_NOT_MERGED_USR))
endif
endif # merged /usr
endif # ! building
define SKELETON_CUSTOM_INSTALL_TARGET_CMDS
$(call SYSTEM_RSYNC,$(SKELETON_CUSTOM_PATH),$(TARGET_DIR))
$(call SYSTEM_USR_SYMLINKS_OR_DIRS,$(TARGET_DIR))
$(call SYSTEM_LIB_SYMLINK,$(TARGET_DIR))
$(INSTALL) -m 0644 support/misc/target-dir-warning.txt \
$(TARGET_DIR_WARNING_FILE)
endef
# For the staging dir, we don't really care about /bin and /sbin.
# But for consistency with the target dir, and to simplify the code,
# we still handle them for the merged or non-merged /usr cases.
# Since the toolchain is not yet available, the staging is not yet
# populated, so we need to create the directories in /usr
define SKELETON_CUSTOM_INSTALL_STAGING_CMDS
$(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/lib
$(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/bin
$(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/sbin
$(call SYSTEM_USR_SYMLINKS_OR_DIRS,$(STAGING_DIR))
$(call SYSTEM_LIB_SYMLINK,$(STAGING_DIR))
endef
$(eval $(generic-package))

51
package/skeleton/skeleton.mk
View File

@ -14,57 +14,14 @@ SKELETON_ADD_SKELETON_DEPENDENCY = NO
# The skeleton also handles the merged /usr case in the sysroot
SKELETON_INSTALL_STAGING = YES
ifeq ($(BR2_ROOTFS_SKELETON_CUSTOM),y)
ifeq ($(BR2_PACKAGE_SKELETON_CUSTOM),y)
SKELETON_PATH = $(call qstrip,$(BR2_ROOTFS_SKELETON_CUSTOM_PATH))
ifeq ($(BR_BUILDING),y)
ifeq ($(SKELETON_PATH),)
$(error No path specified for the custom skeleton)
endif
endif
ifeq ($(BR2_ROOTFS_MERGED_USR),y)
# Ensure the user has prepared a merged /usr.
#
# Extract the inode numbers for all of those directories. In case any is
# a symlink, we want to get the inode of the pointed-to directory, so we
# append '/.' to be sure we get the target directory. Since the symlinks
# can be anyway (/bin -> /usr/bin or /usr/bin -> /bin), we do that for
# all of them.
#
SKELETON_LIB_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/lib/.)
SKELETON_BIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/bin/.)
SKELETON_SBIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/sbin/.)
SKELETON_USR_LIB_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/usr/lib/.)
SKELETON_USR_BIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/usr/bin/.)
SKELETON_USR_SBIN_INODE = $(shell stat -c '%i' $(SKELETON_PATH)/usr/sbin/.)
ifneq ($(SKELETON_LIB_INODE),$(SKELETON_USR_LIB_INODE))
SKELETON_CUSTOM_NOT_MERGED_USR += /lib
endif
ifneq ($(SKELETON_BIN_INODE),$(SKELETON_USR_BIN_INODE))
SKELETON_CUSTOM_NOT_MERGED_USR += /bin
endif
ifneq ($(SKELETON_SBIN_INODE),$(SKELETON_USR_SBIN_INODE))
SKELETON_CUSTOM_NOT_MERGED_USR += /sbin
endif
ifneq ($(SKELETON_CUSTOM_NOT_MERGED_USR),)
$(error The custom skeleton in $(SKELETON_PATH) is not \
using a merged /usr for the following directories: \
$(SKELETON_CUSTOM_NOT_MERGED_USR))
endif
endif # merged /usr
SKELETON_DEPENDENCIES = skeleton-custom
else # ! custom skeleton
SKELETON_PATH = system/skeleton
endif # ! custom skeleton
define SKELETON_INSTALL_TARGET_CMDS
$(call SYSTEM_RSYNC,$(SKELETON_PATH),$(TARGET_DIR))
$(call SYSTEM_USR_SYMLINKS_OR_DIRS,$(TARGET_DIR))
@ -86,10 +43,6 @@ define SKELETON_INSTALL_STAGING_CMDS
$(call SYSTEM_LIB_SYMLINK,$(STAGING_DIR))
endef
# The TARGET_FINALIZE_HOOKS must be sourced only if the users choose to use the
# default skeleton.
ifeq ($(BR2_ROOTFS_SKELETON_DEFAULT),y)
SKELETON_TARGET_GENERIC_HOSTNAME = $(call qstrip,$(BR2_TARGET_GENERIC_HOSTNAME))
SKELETON_TARGET_GENERIC_ISSUE = $(call qstrip,$(BR2_TARGET_GENERIC_ISSUE))
SKELETON_TARGET_GENERIC_ROOT_PASSWD = $(call qstrip,$(BR2_TARGET_GENERIC_ROOT_PASSWD))

2
system/Config.in
View File

@ -11,7 +11,7 @@ config BR2_ROOTFS_SKELETON_DEFAULT
config BR2_ROOTFS_SKELETON_CUSTOM
bool "custom target skeleton"
select BR2_PACKAGE_SKELETON
select BR2_PACKAGE_SKELETON_CUSTOM
help
Use custom target skeleton.