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https://github.com/openwrt/openwrt.git
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60 lines
1.8 KiB
Makefile
60 lines
1.8 KiB
Makefile
ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
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# unpacking files with +s may break on some platforms. this typically emits error code 2
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ifneq ($(HOST_OS),Linux)
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HOST_TAR:=trapret 2 $(TAR)
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else
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HOST_TAR:=$(TAR)
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endif
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TAR_CMD:=$(HOST_TAR) -C $(PKG_BUILD_DIR)/.. $(TAR_OPTIONS)
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UNZIP_CMD:=unzip -d $(PKG_BUILD_DIR)/.. $(DL_DIR)/$(PKG_SOURCE)
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ifeq ($(PKG_SOURCE),)
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PKG_UNPACK ?= true
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endif
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ifeq ($(strip $(PKG_UNPACK)),)
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ifeq ($(strip $(PKG_CAT)),)
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# try to autodetect file type
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EXT:=$(call ext,$(PKG_SOURCE))
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EXT1:=$(EXT)
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ifeq ($(filter gz tgz,$(EXT)),$(EXT))
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EXT:=$(call ext,$(PKG_SOURCE:.$(EXT)=))
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UNPACK:=$(ZCAT) $(DL_DIR)/$(PKG_SOURCE) |
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endif
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ifeq ($(filter bzip2 bz2 bz tbz2 tbz,$(EXT)),$(EXT))
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EXT:=$(call ext,$(PKG_SOURCE:.$(EXT)=))
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UNPACK:=bzcat $(DL_DIR)/$(PKG_SOURCE) |
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endif
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ifeq ($(filter tgz tbz tbz2,$(EXT1)),$(EXT1))
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EXT:=tar
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endif
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UNPACK ?= cat $(DL_DIR)/$(PKG_SOURCE) |
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ifeq ($(EXT),tar)
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PKG_UNPACK:=$(UNPACK) $(TAR_CMD)
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endif
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ifeq ($(EXT),cpio)
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PKG_UNPACK:=$(UNPACK) (cd $(PKG_BUILD_DIR)/..; cpio -i -d)
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endif
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ifeq ($(EXT),zip)
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PKG_UNPACK:=$(UNZIP_CMD)
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endif
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endif
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# compatibility code for packages that set PKG_CAT
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ifeq ($(strip $(PKG_UNPACK)),)
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# use existing PKG_CAT
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PKG_UNPACK:=$(PKG_CAT) $(DL_DIR)/$(PKG_SOURCE) | $(TAR_CMD)
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ifeq ($(PKG_CAT),unzip)
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PKG_UNPACK:=$(UNZIP_CMD)
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endif
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# replace zcat with $(ZCAT), because some system have it as gzcat
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ifeq ($(PKG_CAT),zcat)
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PKG_UNPACK:=$(ZCAT) $(DL_DIR)/$(PKG_SOURCE) | $(TAR_CMD)
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endif
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endif
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ifneq ($(strip $(CRLF_WORKAROUND)),)
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PKG_UNPACK += && find $(PKG_BUILD_DIR) -type f -print0 | xargs -0 perl -pi -e 's!\r$$$$!!g'
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endif
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endif
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