package/skeleton: respect variables namespace

In makefiles, variables have global scope. We traditionally ensure that
we get no name clashing by prefixing all variables with the package
name.

Currently, this is not the case in the skeleton package, for historical
reasons (code snippets copied over from the common Makefiles). We
currently have a mix of naming for the variables:
  - some are indeed prefixed with SKELETON_
  - some are prefixed with SYSTEM_
  - some are prefixed with both
  - some are not prefixed

Clean up these discrepancies, and prefix all variables with just
SKELETON_ and drop the SYSTEM_ prefix.

Also include SET_ in all variables that do set something (getty) for
consistency across all the variables.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Reviewed-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Yann E. MORIN 2016-06-22 21:07:25 +02:00 committed by Thomas Petazzoni
parent de4b45d5e7
commit faece0a425

View File

@ -118,24 +118,24 @@ SKELETON_TARGET_GENERIC_GETTY_TERM = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_TE
SKELETON_TARGET_GENERIC_GETTY_OPTIONS = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_OPTIONS))
ifneq ($(SKELETON_TARGET_GENERIC_HOSTNAME),)
define SYSTEM_HOSTNAME
define SKELETON_SET_HOSTNAME
mkdir -p $(TARGET_DIR)/etc
echo "$(SKELETON_TARGET_GENERIC_HOSTNAME)" > $(TARGET_DIR)/etc/hostname
$(SED) '$$a \127.0.1.1\t$(SKELETON_TARGET_GENERIC_HOSTNAME)' \
-e '/^127.0.1.1/d' $(TARGET_DIR)/etc/hosts
endef
TARGET_FINALIZE_HOOKS += SYSTEM_HOSTNAME
TARGET_FINALIZE_HOOKS += SKELETON_SET_HOSTNAME
endif
ifneq ($(SKELETON_TARGET_GENERIC_ISSUE),)
define SYSTEM_ISSUE
define SKELETON_SET_ISSUE
mkdir -p $(TARGET_DIR)/etc
echo "$(SKELETON_TARGET_GENERIC_ISSUE)" > $(TARGET_DIR)/etc/issue
endef
TARGET_FINALIZE_HOOKS += SYSTEM_ISSUE
TARGET_FINALIZE_HOOKS += SKELETON_SET_ISSUE
endif
define SET_NETWORK_LOCALHOST
define SKELETON_SET_NETWORK_LOCALHOST
( \
echo "# interface file auto-generated by buildroot"; \
echo ; \
@ -144,14 +144,14 @@ define SET_NETWORK_LOCALHOST
) > $(TARGET_DIR)/etc/network/interfaces
endef
NETWORK_DHCP_IFACE = $(call qstrip,$(BR2_SYSTEM_DHCP))
SKELETON_NETWORK_DHCP_IFACE = $(call qstrip,$(BR2_SYSTEM_DHCP))
ifneq ($(NETWORK_DHCP_IFACE),)
define SET_NETWORK_DHCP
ifneq ($(SKELETON_NETWORK_DHCP_IFACE),)
define SKELETON_SET_NETWORK_DHCP
( \
echo ; \
echo "auto $(NETWORK_DHCP_IFACE)"; \
echo "iface $(NETWORK_DHCP_IFACE) inet dhcp"; \
echo "auto $(SKELETON_NETWORK_DHCP_IFACE)"; \
echo "iface $(SKELETON_NETWORK_DHCP_IFACE) inet dhcp"; \
echo " pre-up /etc/network/nfs_check"; \
echo " wait-delay 15"; \
) >> $(TARGET_DIR)/etc/network/interfaces
@ -160,13 +160,13 @@ define SET_NETWORK_DHCP
endef
endif
define SET_NETWORK
define SKELETON_SET_NETWORK
mkdir -p $(TARGET_DIR)/etc/network/
$(SET_NETWORK_LOCALHOST)
$(SET_NETWORK_DHCP)
$(SKELETON_SET_NETWORK_LOCALHOST)
$(SKELETON_SET_NETWORK_DHCP)
endef
TARGET_FINALIZE_HOOKS += SET_NETWORK
TARGET_FINALIZE_HOOKS += SKELETON_SET_NETWORK
# The TARGET_FINALIZE_HOOKS must be sourced only if the users choose to use the
# default skeleton.
@ -174,66 +174,66 @@ ifeq ($(BR2_ROOTFS_SKELETON_DEFAULT),y)
ifeq ($(BR2_TARGET_ENABLE_ROOT_LOGIN),y)
ifeq ($(SKELETON_TARGET_GENERIC_ROOT_PASSWD),)
SYSTEM_ROOT_PASSWORD =
SKELETON_ROOT_PASSWORD =
else ifneq ($(filter $$1$$% $$5$$% $$6$$%,$(SKELETON_TARGET_GENERIC_ROOT_PASSWD)),)
SYSTEM_ROOT_PASSWORD = '$(SKELETON_TARGET_GENERIC_ROOT_PASSWD)'
SKELETON_ROOT_PASSWORD = '$(SKELETON_TARGET_GENERIC_ROOT_PASSWD)'
else
SKELETON_DEPENDENCIES += host-mkpasswd
# This variable will only be evaluated in the finalize stage, so we can
# be sure that host-mkpasswd will have already been built by that time.
SYSTEM_ROOT_PASSWORD = "`$(MKPASSWD) -m "$(SKELETON_TARGET_GENERIC_PASSWD_METHOD)" "$(SKELETON_TARGET_GENERIC_ROOT_PASSWD)"`"
SKELETON_ROOT_PASSWORD = "`$(MKPASSWD) -m "$(SKELETON_TARGET_GENERIC_PASSWD_METHOD)" "$(SKELETON_TARGET_GENERIC_ROOT_PASSWD)"`"
endif
else # !BR2_TARGET_ENABLE_ROOT_LOGIN
SYSTEM_ROOT_PASSWORD = "*"
SKELETON_ROOT_PASSWORD = "*"
endif
define SKELETON_SYSTEM_SET_ROOT_PASSWD
$(SED) s,^root:[^:]*:,root:$(SYSTEM_ROOT_PASSWORD):, $(TARGET_DIR)/etc/shadow
define SKELETON_SET_ROOT_PASSWD
$(SED) s,^root:[^:]*:,root:$(SKELETON_ROOT_PASSWORD):, $(TARGET_DIR)/etc/shadow
endef
TARGET_FINALIZE_HOOKS += SKELETON_SYSTEM_SET_ROOT_PASSWD
TARGET_FINALIZE_HOOKS += SKELETON_SET_ROOT_PASSWD
ifeq ($(BR2_SYSTEM_BIN_SH_NONE),y)
define SKELETON_SYSTEM_BIN_SH
define SKELETON_BIN_SH
rm -f $(TARGET_DIR)/bin/sh
endef
else
define SKELETON_SYSTEM_BIN_SH
define SKELETON_BIN_SH
ln -sf $(SKELETON_TARGET_GENERIC_BIN_SH) $(TARGET_DIR)/bin/sh
endef
endif
TARGET_FINALIZE_HOOKS += SKELETON_SYSTEM_BIN_SH
TARGET_FINALIZE_HOOKS += SKELETON_BIN_SH
ifeq ($(BR2_TARGET_GENERIC_GETTY),y)
ifeq ($(BR2_INIT_SYSV),y)
# In sysvinit inittab, the "id" must not be longer than 4 bytes, so we
# skip the "tty" part and keep only the remaining.
define SKELETON_SYSTEM_GETTY
define SKELETON_SET_GETTY
$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(shell echo $(SKELETON_TARGET_GENERIC_GETTY_PORT) | tail -c+4)::respawn:/sbin/getty -L $(SKELETON_TARGET_GENERIC_GETTY_OPTIONS) $(SKELETON_TARGET_GENERIC_GETTY_PORT) $(SKELETON_TARGET_GENERIC_GETTY_BAUDRATE) $(SKELETON_TARGET_GENERIC_GETTY_TERM) #~' \
$(TARGET_DIR)/etc/inittab
endef
else ifeq ($(BR2_INIT_BUSYBOX),y)
# Add getty to busybox inittab
define SKELETON_SYSTEM_GETTY
define SKELETON_SET_GETTY
$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(SKELETON_TARGET_GENERIC_GETTY_PORT)::respawn:/sbin/getty -L $(SKELETON_TARGET_GENERIC_GETTY_OPTIONS) $(SKELETON_TARGET_GENERIC_GETTY_PORT) $(SKELETON_TARGET_GENERIC_GETTY_BAUDRATE) $(SKELETON_TARGET_GENERIC_GETTY_TERM) #~' \
$(TARGET_DIR)/etc/inittab
endef
endif
TARGET_FINALIZE_HOOKS += SKELETON_SYSTEM_GETTY
TARGET_FINALIZE_HOOKS += SKELETON_SET_GETTY
endif
ifeq ($(BR2_INIT_BUSYBOX)$(BR2_INIT_SYSV),y)
ifeq ($(BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW),y)
# Find commented line, if any, and remove leading '#'s
define SKELETON_SYSTEM_REMOUNT_RW
define SKELETON_REMOUNT_RW
$(SED) '/^#.*-o remount,rw \/$$/s~^#\+~~' $(TARGET_DIR)/etc/inittab
endef
else
# Find uncommented line, if any, and add a leading '#'
define SKELETON_SYSTEM_REMOUNT_RW
define SKELETON_REMOUNT_RW
$(SED) '/^[^#].*-o remount,rw \/$$/s~^~#~' $(TARGET_DIR)/etc/inittab
endef
endif
TARGET_FINALIZE_HOOKS += SKELETON_SYSTEM_REMOUNT_RW
TARGET_FINALIZE_HOOKS += SKELETON_REMOUNT_RW
endif # BR2_INIT_BUSYBOX || BR2_INIT_SYSV
endif # BR2_ROOTFS_SKELETON_DEFAULT