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 ($(filter tgz tbz tbz2,$(EXT1)),$(EXT1))
  36       EXT:=tar
  37     endif
  38     DECOMPRESS_CMD ?= cat $(DL_DIR)/$(PKG_SOURCE) |
  39     ifeq ($(EXT),tar)
  40       UNPACK_CMD=$(DECOMPRESS_CMD) $(TAR_CMD)
  41     endif
  42     ifeq ($(EXT),cpio)
  43       UNPACK_CMD=$(DECOMPRESS_CMD) (cd $(1)/..; cpio -i -d)
  44     endif
  45     ifeq ($(EXT),zip)
  46       UNPACK_CMD=$(UNZIP_CMD)
  47     endif
  48   endif
  49
  50   # compatibility code for packages that set PKG_CAT
  51   ifeq ($(strip $(UNPACK_CMD)),)
  52     # use existing PKG_CAT
  53     UNPACK_CMD=$(PKG_CAT) $(DL_DIR)/$(PKG_SOURCE) | $(TAR_CMD)
  54     ifeq ($(PKG_CAT),unzip)
  55       UNPACK_CMD=$(UNZIP_CMD)
  56     endif
  57     # replace zcat with $(ZCAT), because some system don't support it properly
  58     ifeq ($(PKG_CAT),zcat)
  59       UNPACK_CMD=gzip -dc $(DL_DIR)/$(PKG_SOURCE) | $(TAR_CMD)
  60     endif
  61   endif
  62   ifneq ($(strip $(CRLF_WORKAROUND)),)
  63     CRLF_CMD := && find $(PKG_BUILD_DIR) -type f -print0 | xargs -0 perl -pi -e 's!\r$$$$!!g'
  64   else
  65     CRLF_CMD :=
  66   endif
  67 endif
  68
  69 ifdef PKG_BUILD_DIR
  70   PKG_UNPACK ?= $(call UNPACK_CMD,$(PKG_BUILD_DIR)) $(call CRLF_CMD,$(PKG_BUILD_DIR))
  71 endif
  72 ifdef HOST_BUILD_DIR
  73   HOST_UNPACK ?= $(call UNPACK_CMD,$(HOST_BUILD_DIR)) $(call CRLF_CMD,$(HOST_BUILD_DIR))
  74 endif
  75
  76 endif # PKG_SOURCE
  77