################################################################################
# Embtoolkit
# Copyright(C) 2009-2010 Abdoulaye Walsimou GAYE. All rights reserved.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
################################################################################
#
# \file         rootfs.mk
# \brief	rootfs.mk of Embtoolkit
# \author       Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
# \date         June 2009
################################################################################

ifeq ($(CONFIG_EMBTK_HAVE_ROOTFS),y)

ROOTFS_HOSTTOOLS-y :=
ROOTFS_HOSTTOOLS_CLEAN-y :=
FILESYSTEMS-y :=

#include various filesystems targets
include $(EMBTK_ROOT)/mk/fs.mk

#host tools in order to build root filesystems: fakeroot and makedevs.
include $(EMBTK_ROOT)/mk/fakeroot.mk
include $(EMBTK_ROOT)/mk/makedevs.mk
include $(EMBTK_ROOT)/mk/pkgconfig.mk
ROOTFS_HOSTTOOLS-y += makedevs_install fakeroot_install pkgconfig_install

#Does CPIO archive for initramfs selected?
FILESYSTEMS-$(CONFIG_EMBTK_ROOTFS_HAVE_INITRAMFS_CPIO) += build_initramfs_archive

#Does jffs2 filesystem selected?
ROOTFS_HOSTTOOLS-$(CONFIG_EMBTK_ROOTFS_HAVE_JFFS2) += mtdutils_host_install
FILESYSTEMS-$(CONFIG_EMBTK_ROOTFS_HAVE_JFFS2) += build_jffs2_rootfs

#Does squashfs filesystem selected?
ROOTFS_HOSTTOOLS-$(CONFIG_EMBTK_ROOTFS_HAVE_SQUASHFS) += squashfs_host_install
FILESYSTEMS-$(CONFIG_EMBTK_ROOTFS_HAVE_SQUASHFS) += build_squashfs_rootfs
ifeq ($(CONFIG_EMBTK_ROOTFS_HAVE_SQUASHFS),y)
include $(EMBTK_ROOT)/mk/squashfs.mk
endif

#Files to strip if requested
ifeq ($(CONFIG_EMBTK_TARGET_STRIPPED),y)
ROOTFS_STRIPPED_FILES := `find $$ROOTFS/lib -type f -name *.so*`
ROOTFS_STRIPPED_FILES += `find $$ROOTFS/usr/lib -type f -name *.so*`
ROOTFS_STRIPPED_FILES += `find $$ROOTFS/usr/lib -type f -name *.so*`
ifeq ($(CONFIG_EMBTK_64BITS_FS_COMPAT32),y)
ROOTFS_STRIPPED_FILES += `find $$ROOTFS/lib32 -type f -name *.so*`
ROOTFS_STRIPPED_FILES += `find $$ROOTFS/usr/lib32 -type f -name *.so*`
endif
ROOTFS_STRIPPED_FILES += `find $$ROOTFS/bin -type f`
ROOTFS_STRIPPED_FILES += `find $$ROOTFS/sbin -type f`
ROOTFS_STRIPPED_FILES += `find $$ROOTFS/usr/bin -type f`
ROOTFS_STRIPPED_FILES += `find $$ROOTFS/usr/sbin -type f`
ROOTFS_STRIPPED_FILES += `find $$ROOTFS/usr/libexec -type f`
endif

rootfs_build:
	$(call EMBTK_GENERIC_MESSAGE,"Building selected root filesystems...")
	@$(MAKE) rootfs_clean mkinitialrootfs $(ROOTFS_HOSTTOOLS-y) \
	$(ROOTFS_COMPONENTS-y) build_rootfs_devnodes rootfs_fill \
	build_tarbz2_rootfs $(FILESYSTEMS-y)
	$(Q)rm -rf $(ROOTFS)
	$(call EMBTK_GENERIC_MESSAGE,"Build of selected root filesystems \
	ended successfully!")

rootfs_fill:
	@mkdir -p $(ROOTFS)/$(LIBDIR)
	@mkdir -p $(ROOTFS)/lib
	@mkdir -p $(ROOTFS)/usr
	@mkdir -p $(ROOTFS)/usr/$(LIBDIR)
	@mkdir -p $(ROOTFS)/usr/lib
ifeq ($(CONFIG_EMBTK_64BITS_FS),y)
	@cd $(ROOTFS); \
	ln -s lib lib64
	@cd $(ROOTFS)/usr; \
	ln -s lib lib64	
endif
ifeq ($(CONFIG_EMBTK_64BITS_FS_COMPAT32),y)
	@cd $(ROOTFS); \
	ln -s lib lib64
	@cd $(ROOTFS)/usr; \
	ln -s lib lib64
endif
	@-cp -d $(SYSROOT)/lib/*.so* $(ROOTFS)/lib/
	@-cp -d $(SYSROOT)/usr/lib/*.so* $(ROOTFS)/usr/lib/
ifeq ($(CONFIG_EMBTK_64BITS_FS_COMPAT32),y)
	@-cp -d $(SYSROOT)/lib32/*.so* $(ROOTFS)/lib32/
	@-cp -d $(SYSROOT)/usr/lib32/*.so* $(ROOTFS)/usr/lib32/
endif
	@-cp -R $(SYSROOT)/bin/* $(ROOTFS)/bin/
	@-cp -R $(SYSROOT)/usr/bin/* $(ROOTFS)/usr/bin/
	@-cp -R $(SYSROOT)/sbin/* $(ROOTFS)/sbin/
	@-cp -R $(SYSROOT)/usr/sbin/* $(ROOTFS)/usr/sbin/
	@-cp -R $(SYSROOT)/usr/etc/* $(ROOTFS)/usr/etc/
	@cp -R $(SYSROOT)/root  $(ROOTFS)/
ifeq ($(CONFIG_EMBTK_TARGET_STRIPPED),y)
	$(call EMBTK_GENERIC_MESSAGE,"Stripping binaries as specified...")
	@-$(FAKEROOT_BIN) -i $(EMBTK_ROOT)/.fakeroot.001 -- \
	$(TARGETSTRIP)  $(ROOTFS_STRIPPED_FILES)
endif
	@-$(FAKEROOT_BIN) -i $(EMBTK_ROOT)/.fakeroot.001 -- \
	rm -rf  `find $$ROOTFS -type f -name *.la`

mkinitialrootfs:
	@mkdir -p $(ROOTFS)
	@cp -Rp $(EMBTK_ROOT)/src/target_skeleton/* $(ROOTFS)/
	@mkdir -p $(PACKAGES_BUILD)
ifeq ($(CONFIG_EMBTK_64BITS_FS_COMPAT32),y)
	@mkdir -p  $(ROOTFS)/lib32
	@mkdir -p  $(ROOTFS)/usr/lib32
endif
	@mkdir -p $(PACKAGES_BUILD)

rootfs_clean: $(ROOTFS_HOSTTOOLS_CLEAN) $(ROOTFS_COMPONENTS_CLEAN)
	@rm -rf $(EMBTK_ROOT)/rootfs-$(GNU_TARGET)-$(EMBTK_MCU_FLAG)*
	@rm -rf $(EMBTK_ROOT)/initramfs-$(GNU_TARGET)-$(EMBTK_MCU_FLAG)*

else
rootfs_build:
	@echo "############### Root filesystem build not selected #############"
	@echo "# Root filesystem build not selected in the configuration      #"
	@echo "# interface. If you want to build one please select it.        #"
	@echo "################################################################"
rootfs_clean: $(ROOTFS_HOSTTOOLS_CLEAN)

endif