include/unpack.mk

   1 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
   2
   3 # unpacking files with +s may break on some platforms. this typically emits error code 2
   4 ifneq ($(HOST_OS),Linux)
   5   HOST_TAR:=trapret 2 $(TAR)
   6 else
   7   HOST_TAR:=$(TAR)
   8 endif
   9 TAR_CMD:=$(HOST_TAR) -C $(PKG_BUILD_DIR)/.. $(TAR_OPTIONS)
  10 UNZIP_CMD:=unzip -d $(PKG_BUILD_DIR)/.. $(DL_DIR)/$(PKG_SOURCE)
  11
  12 ifeq ($(PKG_SOURCE),)
  13   PKG_UNPACK ?= true
  14 endif
  15 ifeq ($(strip $(PKG_UNPACK)),)
  16   ifeq ($(strip $(PKG_CAT)),)
  17     # try to autodetect file type
  18     EXT:=$(call ext,$(PKG_SOURCE))
  19     EXT1:=$(EXT)
  20
  21     ifeq ($(filter gz tgz,$(EXT)),$(EXT))
  22       EXT:=$(call ext,$(PKG_SOURCE:.$(EXT)=))
  23       UNPACK:=$(ZCAT) $(DL_DIR)/$(PKG_SOURCE) |
  24     endif
  25     ifeq ($(filter bzip2 bz2 bz tbz2 tbz,$(EXT)),$(EXT))
  26       EXT:=$(call ext,$(PKG_SOURCE:.$(EXT)=))
  27       UNPACK:=bzcat $(DL_DIR)/$(PKG_SOURCE) |
  28     endif
  29     ifeq ($(filter tgz tbz tbz2,$(EXT1)),$(EXT1))
  30       $(error FOO: $(filter tgz tbz tbz2,$(EXT1)),$(EXT1))
  31       EXT:=tar
  32     endif
  33     UNPACK ?= cat $(DL_DIR)/$(PKG_SOURCE) |
  34     ifeq ($(EXT),tar)
  35       PKG_UNPACK:=$(UNPACK) $(TAR_CMD)
  36     endif
  37     ifeq ($(EXT),cpio)
  38       PKG_UNPACK:=$(UNPACK) (cd $(PKG_BUILD_DIR)/..; cpio -i -d)
  39     endif
  40     ifeq ($(EXT),zip)
  41       PKG_UNPACK:=$(UNZIP_CMD)
  42     endif
  43   endif
  44
  45   # compatibility code for packages that set PKG_CAT
  46   ifeq ($(strip $(PKG_CAT)$(PKG_UNPACK)),)
  47     # use existing PKG_CAT
  48     PKG_UNPACK:=$(PKG_CAT) $(DL_DIR)/$(PKG_SOURCE) | $(TAR_CMD)
  49     ifeq ($(PKG_CAT),unzip)
  50       PKG_UNPACK:=$(UNZIP_CMD)
  51     endif
  52     # replace zcat with $(ZCAT), because some system have it as gzcat
  53     ifeq ($(PKG_CAT),zcat)
  54       PKG_UNPACK:=$(ZCAT) $(DL_DIR)/$(PKG_SOURCE) | $(TAR_CMD)
  55     endif
  56   endif
  57   ifneq ($(strip $(CRLF_WORKAROUND)),)
  58     PKG_UNPACK += && find $(PKG_BUILD_DIR) -type f -print0 | xargs -0 perl -pi -e 's!\r$$$$!!g'
  59   endif
  60 endif