THISAPP = cdrom
TARGET = $(DIR_INFO)/$(THISAPP)
-ifeq "$(BUILD_PLATFORM)" "arm"
- TAR_OPTIONS =
-else
- TAR_OPTIONS = --xz
-endif
-
-# Enable multi-threaded compression for LZMA
-export XZ_OPT = --threads=0 --best
-
###############################################################################
# Top-level Rules
###############################################################################
# Compress root filesystem
# Reason for this tar+untar+tar is removing of entries listed two or more in src/ROOTFILES
- tar -c -C / --files-from=/tmp/ROOTFILES \
- -f /$(SNAME).tar --exclude='#*' --exclude='dev/pts/*' \
- --exclude='proc/*' --exclude='tmp/ROOTFILES'
+ tar -c --exclude='#*' --exclude='proc/*' --exclude='dev/pts/*' --exclude='tmp/ROOTFILES' \
+ -C / --files-from=/tmp/ROOTFILES -f /$(SNAME).tar
rm -f /tmp/ROOTFILES
tar -x -C /tmp -f /$(SNAME).tar
rm -f /$(SNAME).tar
@mkdir /tmp/sys
- cd /tmp && tar cf /install/cdrom/distro.img $(TAR_OPTIONS) * && rm -rf *
+ cd /tmp && tar cf - * | xz $(XZ_OPT) > /install/cdrom/distro.img && rm -rf *
# Other files
touch /install/cdrom/$(SNAME)-$(VERSION)-core$(CORE).media