include/unpack.mk

   1 ifeq ($(strip $(PKG_UNPACK)),)
   2   ifneq ($(HOST_OS),Linux)
   3         TAR := trapret 2 $(PKG_UNPACK) $(TAR)
   4   endif
   5   ifneq ($(strip $(PKG_CAT)),)
   6     # use existing PKG_CAT
   7     PKG_UNPACK:=$(PKG_CAT) $(DL_DIR)/$(PKG_SOURCE) | $(TAR) -C $(PKG_BUILD_DIR)/.. $(TAR_OPTIONS)
   8     ifeq ($(PKG_CAT),unzip)
   9       PKG_UNPACK:=unzip -d $(PKG_BUILD_DIR) $(DL_DIR)/$(PKG_SOURCE)
  10     endif
  11     # replace zcat with $(ZCAT), because some system have it as gzcat
  12     ifeq ($(PKG_CAT),zcat)
  13       PKG_UNPACK:=$(ZCAT) $(DL_DIR)/$(PKG_SOURCE) | $(TAR) -C $(PKG_BUILD_DIR)/.. $(TAR_OPTIONS)
  14     endif
  15   else
  16     # try to autodetect file type
  17   endif
  18 endif