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