include/unpack.mk

   1 #
   2 # Copyright (C) 2006-2007 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7
   8 HOST_TAR:=$(TAR)
   9 TAR_CMD=$(HOST_TAR) -C $(1)/.. $(TAR_OPTIONS)
  10 UNZIP_CMD=unzip -q -d $(1)/.. $(DL_DIR)/$(PKG_SOURCE)
  11
  12 ifeq ($(PKG_SOURCE),)
  13   PKG_UNPACK ?= true
  14 else
  15
  16 ifeq ($(strip $(UNPACK_CMD)),)
  17   ifeq ($(strip $(PKG_CAT)),)
  18     # try to autodetect file type
  19     EXT:=$(call ext,$(PKG_SOURCE))
  20     EXT1:=$(EXT)
  21
  22     ifeq ($(filter gz tgz,$(EXT)),$(EXT))
  23       EXT:=$(call ext,$(PKG_SOURCE:.$(EXT)=))
  24       DECOMPRESS_CMD:=gzip -dc $(DL_DIR)/$(PKG_SOURCE) |
  25     endif
  26     ifeq ($(filter bzip2 bz2 bz tbz2 tbz,$(EXT)),$(EXT))
  27       EXT:=$(call ext,$(PKG_SOURCE:.$(EXT)=))
  28       DECOMPRESS_CMD:=bzcat $(DL_DIR)/$(PKG_SOURCE) |
  29     endif
  30     ifeq ($(filter xz txz,$(EXT)),$(EXT))
  31       EXT:=$(call ext,$(PKG_SOURCE:.$(EXT)=))
  32       DECOMPRESS_CMD:=xzcat $(DL_DIR)/$(PKG_SOURCE) |
  33     endif
  34     ifeq ($(filter tgz tbz tbz2 txz,$(EXT1)),$(EXT1))
  35       EXT:=tar
  36     endif
  37     DECOMPRESS_CMD ?= cat $(DL_DIR)/$(PKG_SOURCE) |
  38     ifeq ($(EXT),tar)
  39       UNPACK_CMD=$(DECOMPRESS_CMD) $(TAR_CMD)
  40     endif
  41     ifeq ($(EXT),cpio)
  42       UNPACK_CMD=$(DECOMPRESS_CMD) (cd $(1)/..; cpio -i -d)
  43     endif
  44     ifeq ($(EXT),zip)
  45       UNPACK_CMD=$(UNZIP_CMD)
  46     endif
  47   endif
  48
  49   # compatibility code for packages that set PKG_CAT
  50   ifeq ($(strip $(UNPACK_CMD)),)
  51     # use existing PKG_CAT
  52     UNPACK_CMD=$(PKG_CAT) $(DL_DIR)/$(PKG_SOURCE) | $(TAR_CMD)
  53     ifeq ($(PKG_CAT),unzip)
  54       UNPACK_CMD=$(UNZIP_CMD)
  55     endif
  56     # replace zcat with $(ZCAT), because some system don't support it properly
  57     ifeq ($(PKG_CAT),zcat)
  58       UNPACK_CMD=gzip -dc $(DL_DIR)/$(PKG_SOURCE) | $(TAR_CMD)
  59     endif
  60   endif
  61 endif
  62
  63 ifdef PKG_BUILD_DIR
  64   PKG_UNPACK ?= $(SH_FUNC) $(call UNPACK_CMD,$(PKG_BUILD_DIR))
  65 endif
  66 ifdef HOST_BUILD_DIR
  67   HOST_UNPACK ?= $(SH_FUNC) $(call UNPACK_CMD,$(HOST_BUILD_DIR))
  68 endif
  69
  70 endif # PKG_SOURCE
  71