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-rw-r--r--target/tar/Config.in43
-rw-r--r--target/tar/tarroot.mk19
2 files changed, 58 insertions, 4 deletions
diff --git a/target/tar/Config.in b/target/tar/Config.in
index 89640745d..9a0b80560 100644
--- a/target/tar/Config.in
+++ b/target/tar/Config.in
@@ -4,11 +4,46 @@ config BR2_TARGET_ROOTFS_TAR
help
Build a tar archive of the root filesystem
+choice
+ prompt "Compression method"
+ default BR2_TARGET_ROOTFS_TAR_NONE
+ depends on BR2_TARGET_ROOTFS_TAR
+ help
+ Select compressor for tar archive of the root filesystem
+
+config BR2_TARGET_ROOTFS_TAR_NONE
+ bool "no compression"
+ help
+ Do not compress the tarball.
+
+config BR2_TARGET_ROOTFS_TAR_GZIP
+ bool "gzip"
+ help
+ Do compress the tarball with gzip.
+ Note that you either have to have gzip installed on your host
+ or select to build a gzip for your host. See the packages submenu.
+
+config BR2_TARGET_ROOTFS_TAR_BZIP2
+ bool "bzip2"
+ help
+ Do compress the tarball with bzip2.
+ Note that you either have to have bzip2 installed on your host
+ or select to build a bzip2 for your host. See the packages submenu.
+
+config BR2_TARGET_ROOTFS_TAR_LZMA
+ bool "lzma"
+ help
+ Do compress the tarball with lzma.
+ Note that you either have to have lzma installed on your host
+ or select to build a lzma for your host. See the packages submenu.
+
+endchoice
+
config BR2_TARGET_ROOTFS_TAR_OPTIONS
- string "random options to pass to tar"
+ string "other random options to pass to tar"
depends on BR2_TARGET_ROOTFS_TAR
default ""
help
- Common options:
- j - compress with bzip2
- z - compress with gzip
+ Any other flags you want to pass to tar
+ Refer to tar --help for details
+
diff --git a/target/tar/tarroot.mk b/target/tar/tarroot.mk
index bfd40662e..d5a626e0e 100644
--- a/target/tar/tarroot.mk
+++ b/target/tar/tarroot.mk
@@ -7,6 +7,21 @@
TAR_OPTS:=$(strip $(BR2_TARGET_ROOTFS_TAR_OPTIONS))
TAR_TARGET:=$(IMAGE).tar
+TAR_COMPRESSOR:=
+TAR_COMPRESSOR_EXT:=.none
+ifeq ($(BR2_TARGET_ROOTFS_TAR_GZIP),y)
+TAR_COMPRESSOR:=gzip -9
+TAR_COMPRESSOR_EXT:=gz
+endif
+ifeq ($(BR2_TARGET_ROOTFS_TAR_BZIP2),y)
+TAR_COMPRESSOR:=bzip2 -9
+TAR_COMPRESSOR_EXT:=bz2
+endif
+ifeq ($(BR2_TARGET_ROOTFS_TAR_LZMA),y)
+TAR_COMPRESSOR:=lzma -9
+TAR_COMPRESSOR_EXT:=lzma
+endif
+
tarroot: host-fakeroot makedevs
-@find $(TARGET_DIR) -type f -perm +111 | xargs $(STRIP) 2>/dev/null || true;
@rm -rf $(TARGET_DIR)/usr/man
@@ -25,6 +40,10 @@ tarroot: host-fakeroot makedevs
>> $(STAGING_DIR)/_fakeroot.$(notdir $(TAR_TARGET))
chmod a+x $(STAGING_DIR)/_fakeroot.$(notdir $(TAR_TARGET))
$(STAGING_DIR)/usr/bin/fakeroot -- $(STAGING_DIR)/_fakeroot.$(notdir $(TAR_TARGET))
+ifneq ($(TAR_COMPRESSOR),)
+ -rm -f $(TAR_TARGET).$()
+ PATH="$(STAGING_DIR)/sbin:$(STAGING_DIR)/bin:$(STAGING_DIR)/usr/sbin:$(STAGING_DIR)/usr/bin:$(PATH)" $(TAR_COMPRESSOR) $(TAR_TARGET)
+endif
-@rm -f $(STAGING_DIR)/_fakeroot.$(notdir $(TAR_TARGET))
tarroot-source: