Root/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
9ifneq ($(HOST_OS),Linux)
10  HOST_TAR:=trapret 2 $(TAR)
11else
12  HOST_TAR:=$(TAR)
13endif
14TAR_CMD=$(HOST_TAR) -C $(1)/.. $(TAR_OPTIONS)
15UNZIP_CMD=unzip -d $(1)/.. $(DL_DIR)/$(PKG_SOURCE)
16
17ifeq ($(PKG_SOURCE),)
18  PKG_UNPACK ?= true
19else
20
21ifeq ($(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
71endif
72
73ifdef PKG_BUILD_DIR
74  PKG_UNPACK ?= $(SH_FUNC) $(call UNPACK_CMD,$(PKG_BUILD_DIR)) $(call CRLF_CMD,$(PKG_BUILD_DIR))
75endif
76ifdef HOST_BUILD_DIR
77  HOST_UNPACK ?= $(SH_FUNC) $(call UNPACK_CMD,$(HOST_BUILD_DIR)) $(call CRLF_CMD,$(HOST_BUILD_DIR))
78endif
79
80endif # PKG_SOURCE
81
82

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