# ROOTFS_$(FSTYPE)_POST_GEN_HOOKS, a list of hooks to call after
# generating the filesystem image
#
-# ROOTFS_$(FSTYPE)_POST_TARGETS, the list of targets that should be
-# run after running the main filesystem target. This is useful for
-# initramfs, to rebuild the kernel once the initramfs is generated.
-#
# In terms of configuration option, this macro assumes that the
# BR2_TARGET_ROOTFS_$(FSTYPE) config option allows to enable/disable
# the generation of a filesystem image of a particular type. If
# BR2_TARGET_ROOTFS_$(FSTYPE)_LZMA exist and are enabled, then the
# macro will automatically generate a compressed filesystem image.
-FAKEROOT_SCRIPT = $(BUILD_DIR)/_fakeroot.fs
-FULL_DEVICE_TABLE = $(BUILD_DIR)/_device_table.txt
+FS_DIR = $(BUILD_DIR)/buildroot-fs
+FULL_DEVICE_TABLE = $(FS_DIR)/device_table.txt
ROOTFS_DEVICE_TABLES = $(call qstrip,$(BR2_ROOTFS_DEVICE_TABLE) \
$(BR2_ROOTFS_STATIC_DEVICE_TABLE))
-USERS_TABLE = $(BUILD_DIR)/_users_table.txt
+USERS_TABLE = $(FS_DIR)/users_table.txt
ROOTFS_USERS_TABLES = $(call qstrip,$(BR2_ROOTFS_USERS_TABLES))
+ifeq ($(BR2_REPRODUCIBLE),y)
+define ROOTFS_REPRODUCIBLE
+ find $(TARGET_DIR) -print0 | xargs -0 -r touch -hd @$(SOURCE_DATE_EPOCH)
+endef
+endif
+
+ROOTFS_COMMON_TAR = $(FS_DIR)/rootfs.common.tar
+
+# Command to create the common tarball from the base target directory.
+define ROOTFS_COMMON_TAR_CMD
+ tar cf $(ROOTFS_COMMON_TAR) --numeric-owner \
+ --exclude=$(notdir $(TARGET_DIR_WARNING_FILE)) \
+ -C $(TARGET_DIR) .
+endef
+
+# Command to extract the common tarball into the per-rootfs target directory
+define ROOTFS_COMMON_UNTAR_CMD
+ mkdir -p $(TARGET_DIR)
+ tar xf $(ROOTFS_COMMON_TAR) -C $(TARGET_DIR)
+endef
+
+.PHONY: rootfs-common
+rootfs-common: $(ROOTFS_COMMON_TAR)
+
+# Emulate being in a filesystem, so that we can have our own TARGET_DIR.
+ROOTFS_COMMON_TARGET_DIR = $(FS_DIR)/target
+
+ROOTFS_COMMON_DEPENDENCIES = \
+ host-fakeroot host-makedevs \
+ $(if $(PACKAGES_USERS)$(ROOTFS_USERS_TABLES),host-mkpasswd)
+
+$(ROOTFS_COMMON_TAR): ROOTFS=COMMON
+$(ROOTFS_COMMON_TAR): FAKEROOT_SCRIPT=$(FS_DIR)/fakeroot.fs
+$(ROOTFS_COMMON_TAR): $(ROOTFS_COMMON_DEPENDENCIES) target-finalize
+ @$(call MESSAGE,"Generating common rootfs tarball")
+ rm -rf $(FS_DIR)
+ mkdir -p $(FS_DIR)
+ rsync -au $(BASE_TARGET_DIR)/ $(TARGET_DIR)
+ echo '#!/bin/sh' > $(FAKEROOT_SCRIPT)
+ echo "set -e" >> $(FAKEROOT_SCRIPT)
+ echo "chown -h -R 0:0 $(TARGET_DIR)" >> $(FAKEROOT_SCRIPT)
+ifneq ($(ROOTFS_USERS_TABLES),)
+ cat $(ROOTFS_USERS_TABLES) >> $(USERS_TABLE)
+endif
+ $(call PRINTF,$(PACKAGES_USERS)) >> $(USERS_TABLE)
+ PATH=$(BR_PATH) $(TOPDIR)/support/scripts/mkusers $(USERS_TABLE) $(TARGET_DIR) >> $(FAKEROOT_SCRIPT)
+ifneq ($(ROOTFS_DEVICE_TABLES),)
+ cat $(ROOTFS_DEVICE_TABLES) > $(FULL_DEVICE_TABLE)
+ifeq ($(BR2_ROOTFS_DEVICE_CREATION_STATIC),y)
+ $(call PRINTF,$(PACKAGES_DEVICES_TABLE)) >> $(FULL_DEVICE_TABLE)
+endif
+endif
+ $(call PRINTF,$(PACKAGES_PERMISSIONS_TABLE)) >> $(FULL_DEVICE_TABLE)
+ echo "$(HOST_DIR)/bin/makedevs -d $(FULL_DEVICE_TABLE) $(TARGET_DIR)" >> $(FAKEROOT_SCRIPT)
+ $(foreach s,$(call qstrip,$(BR2_ROOTFS_POST_FAKEROOT_SCRIPT)),\
+ echo "echo '$(TERM_BOLD)>>> Executing fakeroot script $(s)$(TERM_RESET)'" >> $(FAKEROOT_SCRIPT); \
+ echo $(EXTRA_ENV) $(s) $(TARGET_DIR) $(BR2_ROOTFS_POST_SCRIPT_ARGS) >> $(FAKEROOT_SCRIPT)$(sep))
+ $(foreach hook,$(ROOTFS_PRE_CMD_HOOKS),\
+ $(call PRINTF,$($(hook))) >> $(FAKEROOT_SCRIPT)$(sep))
+ $(call PRINTF,$(ROOTFS_COMMON_TAR_CMD)) >> $(FAKEROOT_SCRIPT)
+ $(foreach hook,$(ROOTFS_POST_CMD_HOOKS),\
+ $(call PRINTF,$($(hook))) >> $(FAKEROOT_SCRIPT)$(sep))
+ chmod a+x $(FAKEROOT_SCRIPT)
+ PATH=$(BR_PATH) $(HOST_DIR)/bin/fakeroot -- $(FAKEROOT_SCRIPT)
+
+rootfs-common-show-depends:
+ @echo $(ROOTFS_COMMON_DEPENDENCIES)
+
# Since this function will be called from within an $(eval ...)
# all variable references except the arguments must be $$-quoted.
-define ROOTFS_TARGET_INTERNAL
+define inner-rootfs
+
+ROOTFS_$(2)_DIR = $$(FS_DIR)/$(1)
+ROOTFS_$(2)_TARGET_DIR = $$(ROOTFS_$(2)_DIR)/target
-# extra deps
-ROOTFS_$(2)_DEPENDENCIES += host-fakeroot host-makedevs \
- $$(if $$(PACKAGES_USERS)$$(ROOTFS_USERS_TABLES),host-mkpasswd)
+ROOTFS_$(2)_DEPENDENCIES += rootfs-common
ifeq ($$(BR2_TARGET_ROOTFS_$(2)_GZIP),y)
ROOTFS_$(2)_COMPRESS_EXT = .gz
ROOTFS_$(2)_COMPRESS_EXT = .lzma
ROOTFS_$(2)_COMPRESS_CMD = $$(LZMA) -9 -c
endif
+ifeq ($$(BR2_TARGET_ROOTFS_$(2)_LZ4),y)
+ROOTFS_$(2)_DEPENDENCIES += host-lz4
+ROOTFS_$(2)_COMPRESS_EXT = .lz4
+ROOTFS_$(2)_COMPRESS_CMD = lz4 -l -9 -c
+endif
ifeq ($$(BR2_TARGET_ROOTFS_$(2)_LZO),y)
ROOTFS_$(2)_DEPENDENCIES += host-lzop
ROOTFS_$(2)_COMPRESS_EXT = .lzo
ROOTFS_$(2)_COMPRESS_CMD = xz -9 -C crc32 -c
endif
-$$(BINARIES_DIR)/rootfs.$(1): target-finalize $$(ROOTFS_$(2)_DEPENDENCIES)
+$$(BINARIES_DIR)/rootfs.$(1): ROOTFS=$(2)
+$$(BINARIES_DIR)/rootfs.$(1): FAKEROOT_SCRIPT=$$(ROOTFS_$(2)_DIR)/fakeroot
+$$(BINARIES_DIR)/rootfs.$(1): $$(ROOTFS_$(2)_DEPENDENCIES)
@$$(call MESSAGE,"Generating root filesystem image rootfs.$(1)")
- $$(foreach hook,$$(ROOTFS_$(2)_PRE_GEN_HOOKS),$$(call $$(hook))$$(sep))
- rm -f $$(FAKEROOT_SCRIPT)
- rm -f $$(TARGET_DIR_WARNING_FILE)
- rm -f $$(USERS_TABLE)
+ rm -rf $$(ROOTFS_$(2)_DIR)
+ mkdir -p $$(ROOTFS_$(2)_DIR)
echo '#!/bin/sh' > $$(FAKEROOT_SCRIPT)
echo "set -e" >> $$(FAKEROOT_SCRIPT)
- echo "chown -h -R 0:0 $$(TARGET_DIR)" >> $$(FAKEROOT_SCRIPT)
-ifneq ($$(ROOTFS_USERS_TABLES),)
- cat $$(ROOTFS_USERS_TABLES) >> $$(USERS_TABLE)
-endif
- $$(call PRINTF,$$(PACKAGES_USERS)) >> $$(USERS_TABLE)
- PATH=$$(BR_PATH) $$(TOPDIR)/support/scripts/mkusers $$(USERS_TABLE) $$(TARGET_DIR) >> $$(FAKEROOT_SCRIPT)
-ifneq ($$(ROOTFS_DEVICE_TABLES),)
- cat $$(ROOTFS_DEVICE_TABLES) > $$(FULL_DEVICE_TABLE)
-ifeq ($$(BR2_ROOTFS_DEVICE_CREATION_STATIC),y)
- $$(call PRINTF,$$(PACKAGES_DEVICES_TABLE)) >> $$(FULL_DEVICE_TABLE)
-endif
-endif
- $$(call PRINTF,$$(PACKAGES_PERMISSIONS_TABLE)) >> $$(FULL_DEVICE_TABLE)
- echo "$$(HOST_DIR)/bin/makedevs -d $$(FULL_DEVICE_TABLE) $$(TARGET_DIR)" >> $$(FAKEROOT_SCRIPT)
- $$(foreach s,$$(call qstrip,$$(BR2_ROOTFS_POST_FAKEROOT_SCRIPT)),\
- echo "echo '$$(TERM_BOLD)>>> Executing fakeroot script $$(s)$$(TERM_RESET)'" >> $$(FAKEROOT_SCRIPT); \
- echo $$(s) $$(TARGET_DIR) $$(BR2_ROOTFS_POST_SCRIPT_ARGS) >> $$(FAKEROOT_SCRIPT)$$(sep))
- $$(foreach hook,$$(ROOTFS_PRE_CMD_HOOKS),\
- $$(call PRINTF,$$($$(hook))) >> $$(FAKEROOT_SCRIPT))
-ifeq ($$(BR2_REPRODUCIBLE),y)
- echo "find $$(TARGET_DIR) -print0 | xargs -0 -r touch -hd @$$(SOURCE_DATE_EPOCH)" >> $$(FAKEROOT_SCRIPT)
-endif
+ $$(call PRINTF,$$(ROOTFS_COMMON_UNTAR_CMD)) >> $$(FAKEROOT_SCRIPT)
+ $$(foreach hook,$$(ROOTFS_$(2)_PRE_GEN_HOOKS),\
+ $$(call PRINTF,$$($$(hook))) >> $$(FAKEROOT_SCRIPT)$$(sep))
+ $$(call PRINTF,$$(ROOTFS_REPRODUCIBLE)) >> $$(FAKEROOT_SCRIPT)
$$(call PRINTF,$$(ROOTFS_$(2)_CMD)) >> $$(FAKEROOT_SCRIPT)
- $$(foreach hook,$$(ROOTFS_POST_CMD_HOOKS),\
- $$(call PRINTF,$$($$(hook))) >> $$(FAKEROOT_SCRIPT))
chmod a+x $$(FAKEROOT_SCRIPT)
PATH=$$(BR_PATH) $$(HOST_DIR)/bin/fakeroot -- $$(FAKEROOT_SCRIPT)
- $$(INSTALL) -m 0644 support/misc/target-dir-warning.txt $$(TARGET_DIR_WARNING_FILE)
- -@rm -f $$(FAKEROOT_SCRIPT) $$(FULL_DEVICE_TABLE)
ifneq ($$(ROOTFS_$(2)_COMPRESS_CMD),)
PATH=$$(BR_PATH) $$(ROOTFS_$(2)_COMPRESS_CMD) $$@ > $$@$$(ROOTFS_$(2)_COMPRESS_EXT)
endif
rootfs-$(1)-show-depends:
@echo $$(ROOTFS_$(2)_DEPENDENCIES)
-rootfs-$(1): $$(BINARIES_DIR)/rootfs.$(1) $$(ROOTFS_$(2)_POST_TARGETS)
+rootfs-$(1): $$(BINARIES_DIR)/rootfs.$(1)
.PHONY: rootfs-$(1) rootfs-$(1)-show-depends
TARGETS_ROOTFS += rootfs-$(1)
PACKAGES += $$(filter-out rootfs-%,$$(ROOTFS_$(2)_DEPENDENCIES))
endif
-endef
-define ROOTFS_TARGET
- $(call ROOTFS_TARGET_INTERNAL,$(1),$(call UPPERCASE,$(1)))
+# Check for legacy POST_TARGETS rules
+ifneq ($$(ROOTFS_$(2)_POST_TARGETS),)
+$$(error Filesystem $(1) uses post-target rules, which are no longer supported.\
+ Update $(1) to use post-gen hooks instead)
+endif
+
endef
+# $(pkgname) also works well to return the filesystem name
+rootfs = $(call inner-rootfs,$(pkgname),$(call UPPERCASE,$(pkgname)))
+
include $(sort $(wildcard fs/*/*.mk))