target/imagebuilder: Switch to xz compression instead of bz2
authorDaniel Engberg <diizzyy@users.noreply.github.com>
Tue, 11 Oct 2016 12:14:48 +0000 (14:14 +0200)
committerJohn Crispin <john@phrozen.org>
Sat, 15 Oct 2016 09:36:51 +0000 (11:36 +0200)
Switch to xz compression instead of using bz2.
Saves about 20% of total size (ar71xx)

Signed-off-by: Daniel Engberg <daniel.engberg.lists@pyret.net>
target/imagebuilder/Makefile

index b809193..b43662b 100644 (file)
@@ -21,7 +21,7 @@ IB_DTSDIR:=$(patsubst $(TOPDIR)/%,$(PKG_BUILD_DIR)/%,$(LINUX_DIR))/arch/$(ARCH)/
 
 all: compile
 
-$(BIN_DIR)/$(IB_NAME).tar.bz2: clean
+$(BIN_DIR)/$(IB_NAME).tar.xz: clean
        rm -rf $(PKG_BUILD_DIR)
        mkdir -p $(IB_KDIR) $(IB_LDIR) $(PKG_BUILD_DIR)/staging_dir/host/lib \
                $(PKG_BUILD_DIR)/target $(PKG_BUILD_DIR)/scripts $(IB_DTSDIR)
@@ -77,12 +77,12 @@ endif
        find $(STAGING_DIR_HOST)/bin -maxdepth 1 -type f -perm -u=x \
          | $(XARGS) $(SCRIPT_DIR)/bundle-libraries.sh $(PKG_BUILD_DIR)/staging_dir/host/bin/
        STRIP=sstrip $(SCRIPT_DIR)/rstrip.sh $(PKG_BUILD_DIR)/staging_dir/host/bin/
-       $(TAR) -cf - -C $(BUILD_DIR) $(IB_NAME) | bzip2 -c > $@
+       $(TAR) -cf - -C $(BUILD_DIR) $(IB_NAME) | xz -zc -7e > $@
 
 download:
 prepare:
-compile: $(BIN_DIR)/$(IB_NAME).tar.bz2
+compile: $(BIN_DIR)/$(IB_NAME).tar.xz
 install: compile
 
 clean: FORCE
-       rm -rf $(PKG_BUILD_DIR) $(BIN_DIR)/$(IB_NAME).tar.bz2
+       rm -rf $(PKG_BUILD_DIR) $(BIN_DIR)/$(IB_NAME).tar.xz