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 TAR_CMD:=$(HOST_TAR) -C $(PKG_BUILD_DIR)/.. $(TAR_OPTIONS)
  15 UNZIP_CMD:=unzip -d $(PKG_BUILD_DIR)/.. $(DL_DIR)/$(PKG_SOURCE)
  16
  17 ifeq ($(PKG_SOURCE),)
  18   PKG_UNPACK ?= true
  19 endif
  20 ifeq ($(strip $(PKG_UNPACK)),)
  21   ifeq ($(strip $(PKG_CAT)),)
  22     # try to autodetect file type
  23     EXT:=$(call ext,$(PKG_SOURCE))
  24     EXT1:=$(EXT)
  25
  26     ifeq ($(filter gz tgz,$(EXT)),$(EXT))
  27       EXT:=$(call ext,$(PKG_SOURCE:.$(EXT)=))
  28       UNPACK:=gzip -dc $(DL_DIR)/$(PKG_SOURCE) |
  29     endif
  30     ifeq ($(filter bzip2 bz2 bz tbz2 tbz,$(EXT)),$(EXT))
  31       EXT:=$(call ext,$(PKG_SOURCE:.$(EXT)=))
  32       UNPACK:=bzcat $(DL_DIR)/$(PKG_SOURCE) |
  33     endif
  34     ifeq ($(filter tgz tbz tbz2,$(EXT1)),$(EXT1))
  35       EXT:=tar
  36     endif
  37     UNPACK ?= cat $(DL_DIR)/$(PKG_SOURCE) |
  38     ifeq ($(EXT),tar)
  39       PKG_UNPACK:=$(UNPACK) $(TAR_CMD)
  40     endif
  41     ifeq ($(EXT),cpio)
  42       PKG_UNPACK:=$(UNPACK) (cd $(PKG_BUILD_DIR)/..; cpio -i -d)
  43     endif
  44     ifeq ($(EXT),zip)
  45       PKG_UNPACK:=$(UNZIP_CMD)
  46     endif
  47   endif
  48
  49   # compatibility code for packages that set PKG_CAT
  50   ifeq ($(strip $(PKG_UNPACK)),)
  51     # use existing PKG_CAT
  52     PKG_UNPACK:=$(PKG_CAT) $(DL_DIR)/$(PKG_SOURCE) | $(TAR_CMD)
  53     ifeq ($(PKG_CAT),unzip)
  54       PKG_UNPACK:=$(UNZIP_CMD)
  55     endif
  56     # replace zcat with $(ZCAT), because some system don't support it properly
  57     ifeq ($(PKG_CAT),zcat)
  58       PKG_UNPACK:=gzip -dc $(DL_DIR)/$(PKG_SOURCE) | $(TAR_CMD)
  59     endif
  60   endif
  61   ifneq ($(strip $(CRLF_WORKAROUND)),)
  62     PKG_UNPACK += && find $(PKG_BUILD_DIR) -type f -print0 | xargs -0 perl -pi -e 's!\r$$$$!!g'
  63   endif
  64 endif