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openwrt/include/unpack.mk
Rosen Penev 11ad0c8355
include: use libdeflate's gzip to decompress
libdeflate decompresses much faster than gzip.

Example:

~/d/openwrt> time gzip -dc dl/cmake-3.25.1.tar.gz > /dev/null

________________________________________________________
Executed in    1.01 secs      fish           external
   usr time  912.61 millis    1.67 millis  910.94 millis
   sys time   32.21 millis    0.25 millis   31.96 millis

~/d/openwrt> time libdeflate-gzip -dc dl/cmake-3.25.1.tar.gz > /dev/null

________________________________________________________
Executed in  523.04 millis    fish           external
   usr time  415.48 millis    1.07 millis  414.41 millis
   sys time  107.74 millis    0.15 millis  107.59 millis

~/d/openwrt> time gzip -dc dl/tessdata-4.1.0.tar.gz > /dev/null

________________________________________________________
Executed in    8.99 secs    fish           external
   usr time    8.90 secs  530.00 micros    8.90 secs
   sys time    0.07 secs   63.00 micros    0.07 secs

~/d/openwrt> time libdeflate-gzip -dc dl/tessdata-4.1.0.tar.gz > /dev/null

________________________________________________________
Executed in    2.74 secs    fish           external
   usr time    2.38 secs  537.00 micros    2.38 secs
   sys time    0.35 secs   66.00 micros    0.35 secs

Place libdeflate into tools-core as it is needed to decompress other
archives.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
2023-01-17 21:40:18 +01:00

73 lines
2.1 KiB
Makefile

# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2006-2020 OpenWrt.org
HOST_TAR:=$(TAR)
TAR_CMD=$(HOST_TAR) -C $(1)/.. $(TAR_OPTIONS)
UNZIP_CMD=unzip -q -d $(1)/.. $(DL_DIR)/$(PKG_SOURCE)
ifeq ($(PKG_SOURCE),)
PKG_UNPACK ?= true
else
ifeq ($(strip $(UNPACK_CMD)),)
ifeq ($(strip $(PKG_CAT)),)
# try to autodetect file type
EXT:=$(call ext,$(PKG_SOURCE))
EXT1:=$(EXT)
ifeq ($(filter gz tgz,$(EXT)),$(EXT))
EXT:=$(call ext,$(PKG_SOURCE:.$(EXT)=))
DECOMPRESS_CMD:=$(STAGING_DIR_HOST)/bin/libdeflate-gzip -dc $(DL_DIR)/$(PKG_SOURCE) |
endif
ifeq ($(filter bzip2 bz2 bz tbz2 tbz,$(EXT)),$(EXT))
EXT:=$(call ext,$(PKG_SOURCE:.$(EXT)=))
DECOMPRESS_CMD:=bzcat $(DL_DIR)/$(PKG_SOURCE) |
endif
ifeq ($(filter xz txz,$(EXT)),$(EXT))
EXT:=$(call ext,$(PKG_SOURCE:.$(EXT)=))
DECOMPRESS_CMD:=xzcat $(DL_DIR)/$(PKG_SOURCE) |
endif
ifeq (zst,$(EXT))
EXT:=$(call ext,$(PKG_SOURCE:.$(EXT)=))
DECOMPRESS_CMD:=zstdcat $(DL_DIR)/$(PKG_SOURCE) |
endif
ifeq ($(filter tgz tbz tbz2 txz,$(EXT1)),$(EXT1))
EXT:=tar
endif
DECOMPRESS_CMD ?= cat $(DL_DIR)/$(PKG_SOURCE) |
ifeq ($(EXT),tar)
UNPACK_CMD=$(DECOMPRESS_CMD) $(TAR_CMD)
endif
ifeq ($(EXT),cpio)
UNPACK_CMD=$(DECOMPRESS_CMD) (cd $(1)/..; $(STAGING_DIR_HOST)/bin/cpio -i -d)
endif
ifeq ($(EXT),zip)
UNPACK_CMD=$(UNZIP_CMD)
endif
endif
# compatibility code for packages that set PKG_CAT
ifeq ($(strip $(UNPACK_CMD)),)
# use existing PKG_CAT
UNPACK_CMD=$(PKG_CAT) $(DL_DIR)/$(PKG_SOURCE) | $(TAR_CMD)
ifeq ($(PKG_CAT),unzip)
UNPACK_CMD=$(UNZIP_CMD)
endif
# replace zcat with $(ZCAT), because some system don't support it properly
ifeq ($(PKG_CAT),zcat)
UNPACK_CMD=$(STAGING_DIR_HOST)/bin/libdeflate-gzip -dc $(DL_DIR)/$(PKG_SOURCE) | $(TAR_CMD)
endif
endif
endif
ifdef PKG_BUILD_DIR
PKG_UNPACK ?= $(SH_FUNC) $(call UNPACK_CMD,$(PKG_BUILD_DIR))
endif
ifdef HOST_BUILD_DIR
HOST_UNPACK ?= $(SH_FUNC) $(call UNPACK_CMD,$(HOST_BUILD_DIR))
endif
endif # PKG_SOURCE