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fd10b42ab8
Some toolchains, like the one built with buildroot itself, use hardlinks (for example to link between the c++ and g++ binary). Unpacking such a toolchain with the --strip-components options does not work correctly if the system tar is too old (<1.17). Even recent releases of RedHat/CentOS still ship with tar 1.15. This patch checks for a suitable tar version (tar 1.17+) on the host system, and adds host-tar to the host dependencies if none can be found. host-tar is download and extracted as cpio.gz instead of tar.gz, to prevent chicken-egg problem. Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com> v4 Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
29 lines
726 B
Makefile
29 lines
726 B
Makefile
#############################################################
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#
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# tar
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#
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#############################################################
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TAR_VERSION = 1.26
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TAR_SITE = $(BR2_GNU_MIRROR)/tar
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# Prefer full-blown tar over buybox's version
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ifeq ($(BR2_PACKAGE_BUSYBOX),y)
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TAR_DEPENDENCIES += busybox
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HOST_TAR_DEPENDENCIES =
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endif
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$(eval $(call AUTOTARGETS))
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# host-tar: use cpio.gz instead of tar.gz to prevent chicken-egg problem
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# of needing tar to build tar.
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HOST_TAR_SOURCE = tar-$(TAR_VERSION).cpio.gz
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define HOST_TAR_EXTRACT_CMDS
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mkdir -p $(@D)
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cd $(@D) && \
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$(INFLATE.gz) $(DL_DIR)/$(HOST_TAR_SOURCE) | cpio -i
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mv $(@D)/tar-$(TAR_VERSION)/* $(@D)
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rmdir $(@D)/tar-$(TAR_VERSION)
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endef
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$(eval $(call AUTOTARGETS,host))
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