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 # unpacking files with +s may break on some platforms. this typically emits error code 2
   9 ifneq ($(HOST_OS),Linux)
  10   HOST_TAR:=trapret 2 $(TAR)
  11 else
  12   HOST_TAR:=$(TAR)
  13 endif
  14
  15 TAR_OPTIONS:=-xf -
  16 TAR_CMD=$(HOST_TAR) -C $(1)/.. $(TAR_OPTIONS)
  17 UNZIP_CMD=unzip -d $(1)/.. $(DL_DIR)/$(PKG_SOURCE)
  18
  19 ifeq ($(PKG_SOURCE),)
  20   PKG_UNPACK ?= true
  21 else
  22
  23 ifeq ($(strip $(UNPACK_CMD)),)
  24   ifeq ($(strip $(PKG_CAT)),)
  25     # try to autodetect file type
  26     EXT:=$(call ext,$(PKG_SOURCE))
  27     EXT1:=$(EXT)
  28
  29     ifeq ($(filter gz tgz,$(EXT)),$(EXT))
  30       EXT:=$(call ext,$(PKG_SOURCE:.$(EXT)=))
  31       DECOMPRESS_CMD:=gzip -dc $(DL_DIR)/$(PKG_SOURCE) |
  32     endif
  33     ifeq ($(filter bzip2 bz2 bz tbz2 tbz,$(EXT)),$(EXT))
  34       EXT:=$(call ext,$(PKG_SOURCE:.$(EXT)=))
  35       DECOMPRESS_CMD:=bzcat $(DL_DIR)/$(PKG_SOURCE) |
  36     endif
  37     ifeq ($(filter xz txz,$(EXT)),$(EXT))
  38       EXT:=$(call ext,$(PKG_SOURCE:.$(EXT)=))
  39       DECOMPRESS_CMD:=xzcat $(DL_DIR)/$(PKG_SOURCE) |
  40     endif
  41     ifeq ($(filter tgz tbz tbz2 txz,$(EXT1)),$(EXT1))
  42       EXT:=tar
  43     endif
  44     DECOMPRESS_CMD ?= cat $(DL_DIR)/$(PKG_SOURCE) |
  45     ifeq ($(EXT),tar)
  46       UNPACK_CMD=$(DECOMPRESS_CMD) $(TAR_CMD)
  47     endif
  48     ifeq ($(EXT),cpio)
  49       UNPACK_CMD=$(DECOMPRESS_CMD) (cd $(1)/..; cpio -i -d)
  50     endif
  51     ifeq ($(EXT),zip)
  52       UNPACK_CMD=$(UNZIP_CMD)
  53     endif
  54   endif
  55
  56   # compatibility code for packages that set PKG_CAT
  57   ifeq ($(strip $(UNPACK_CMD)),)
  58     # use existing PKG_CAT
  59     UNPACK_CMD=$(PKG_CAT) $(DL_DIR)/$(PKG_SOURCE) | $(TAR_CMD)
  60     ifeq ($(PKG_CAT),unzip)
  61       UNPACK_CMD=$(UNZIP_CMD)
  62     endif
  63     # replace zcat with $(ZCAT), because some system don't support it properly
  64     ifeq ($(PKG_CAT),zcat)
  65       UNPACK_CMD=gzip -dc $(DL_DIR)/$(PKG_SOURCE) | $(TAR_CMD)
  66     endif
  67   endif
  68   ifneq ($(strip $(CRLF_WORKAROUND)),)
  69     CRLF_CMD := && find $(PKG_BUILD_DIR) -type f -print0 | xargs -0 perl -pi -e 's!\r$$$$!!g'
  70   else
  71     CRLF_CMD :=
  72   endif
  73 endif
  74
  75 ifdef PKG_BUILD_DIR
  76   PKG_UNPACK ?= $(SH_FUNC) $(call UNPACK_CMD,$(PKG_BUILD_DIR)) $(call CRLF_CMD,$(PKG_BUILD_DIR))
  77 endif
  78 ifdef HOST_BUILD_DIR
  79   HOST_UNPACK ?= $(SH_FUNC) $(call UNPACK_CMD,$(HOST_BUILD_DIR)) $(call CRLF_CMD,$(HOST_BUILD_DIR))
  80 endif
  81
  82 endif # PKG_SOURCE
  83