102 lines
3.1 KiB
Makefile
102 lines
3.1 KiB
Makefile
################################################################################
|
|
#
|
|
# system-related variables and macros
|
|
#
|
|
################################################################################
|
|
|
|
# This file exists to define variables and macros that pertain to the system
|
|
# settings, like rsyncing a directory for skeletons, or the /lib vs. /usr/lib
|
|
# symlink handling.
|
|
#
|
|
# Some variables may be used as conditions in Makefile code, so they must be
|
|
# defined properly before they are used; this file is included early, before
|
|
# any package is.
|
|
|
|
# - SYSTEM_USR_SYMLINKS_OR_DIRS
|
|
# create /lib, /bin and /sbin, either as directories or as symlinks to
|
|
# their /usr conterparts
|
|
#
|
|
# - SYSTEM_RSYNC
|
|
# rsync $(1) to $(2), with proper exclusions and rights
|
|
#
|
|
# - SYSTEM_LIB_SYMLINK
|
|
# create the appropriate /lib{32,64} symlinks
|
|
#
|
|
# - SYSTEM_GETTY_PORT
|
|
# - SYSTEM_GETTY_BAUDRATE
|
|
# - SYSTEM_GETTY_TERM
|
|
# - SYSTEM_GETTY_OPTIONS
|
|
# the un-quoted getty setting
|
|
#
|
|
# - SYSTEM_REMOUNT_ROOT_INITTAB
|
|
# set inittab to remount root read-write or read-only
|
|
#
|
|
|
|
# This function handles the merged or non-merged /usr cases
|
|
ifeq ($(BR2_ROOTFS_MERGED_USR),y)
|
|
define SYSTEM_USR_SYMLINKS_OR_DIRS
|
|
ln -snf usr/bin $(1)/bin
|
|
ln -snf usr/sbin $(1)/sbin
|
|
ln -snf usr/lib $(1)/lib
|
|
endef
|
|
else
|
|
define SYSTEM_USR_SYMLINKS_OR_DIRS
|
|
$(INSTALL) -d -m 0755 $(1)/bin
|
|
$(INSTALL) -d -m 0755 $(1)/sbin
|
|
$(INSTALL) -d -m 0755 $(1)/lib
|
|
endef
|
|
endif
|
|
|
|
# This function rsyncs the skeleton directory in $(1) to the destination
|
|
# in $(2), which should be either $(TARTGET_DIR) or $(STAGING_DIR)
|
|
define SYSTEM_RSYNC
|
|
rsync -a --ignore-times $(RSYNC_VCS_EXCLUSIONS) \
|
|
--chmod=u=rwX,go=rX --exclude .empty --exclude '*~' \
|
|
$(1)/ $(2)/
|
|
endef
|
|
|
|
# Make a symlink lib32->lib or lib64->lib as appropriate.
|
|
# MIPS64/n32 requires lib32 even though it's a 64-bit arch. However, since gcc
|
|
# 5.1.0 internal compiler paths in sysroot are relative to lib64, so we must
|
|
# create both.
|
|
# $(1): base dir (either staging or target)
|
|
ifeq ($(BR2_MIPS_NABI32),y)
|
|
define SYSTEM_LIB_SYMLINK
|
|
ln -snf lib $(1)/lib64
|
|
ln -snf lib $(1)/usr/lib64
|
|
ln -snf lib $(1)/lib32
|
|
ln -snf lib $(1)/usr/lib32
|
|
endef
|
|
else ifeq ($(BR2_ARCH_IS_64),y)
|
|
define SYSTEM_LIB_SYMLINK
|
|
ln -snf lib $(1)/lib64
|
|
ln -snf lib $(1)/usr/lib64
|
|
endef
|
|
else
|
|
define SYSTEM_LIB_SYMLINK
|
|
ln -snf lib $(1)/lib32
|
|
ln -snf lib $(1)/usr/lib32
|
|
endef
|
|
endif
|
|
|
|
SYSTEM_GETTY_PORT = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_PORT))
|
|
SYSTEM_GETTY_BAUDRATE = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_BAUDRATE))
|
|
SYSTEM_GETTY_TERM = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_TERM))
|
|
SYSTEM_GETTY_OPTIONS = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_OPTIONS))
|
|
|
|
ifeq ($(BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW),y)
|
|
# Find commented line, if any, and remove leading '#'s
|
|
define SYSTEM_REMOUNT_ROOT_INITTAB
|
|
$(SED) '/^#.*-o remount,rw \/$$/s~^#\+~~' $(TARGET_DIR)/etc/inittab
|
|
endef
|
|
else
|
|
# Find uncommented line, if any, and add a leading '#'
|
|
define SYSTEM_REMOUNT_ROOT_INITTAB
|
|
$(SED) '/^[^#].*-o remount,rw \/$$/s~^~#~' $(TARGET_DIR)/etc/inittab
|
|
endef
|
|
endif
|
|
|
|
ifeq ($(BR_BUILDING)$(BR2_SYSTEM_DEFAULT_PATH),y"")
|
|
$(error BR2_SYSTEM_DEFAULT_PATH can't be empty)
|
|
endif
|