diff options
| -rw-r--r-- | package/Makefile.package.in | 12 | ||||
| -rw-r--r-- | package/tar/tar.mk | 13 | ||||
| -rw-r--r-- | support/dependencies/check-host-tar.mk | 9 | ||||
| -rwxr-xr-x | support/dependencies/check-host-tar.sh | 35 |
4 files changed, 57 insertions, 12 deletions
diff --git a/package/Makefile.package.in b/package/Makefile.package.in index 1ace683c2..33461b4dc 100644 --- a/package/Makefile.package.in +++ b/package/Makefile.package.in @@ -299,18 +299,6 @@ define DOWNLOAD exit 1 endef -# Utility programs used to build packages -TAR ?= tar - -# Automatically detect tar --strip-path/components option -TAR_STRIP_COMPONENTS := \ - $(shell $(TAR) --help | grep strip-path > /dev/null ; \ - if test $$? = 0 ; then \ - echo '--strip-path' ; \ - else \ - echo '--strip-components' ; \ - fi) - # Needed for the foreach loops to loop over the list of hooks, so that # each hook call is properly separated by a newline. define sep diff --git a/package/tar/tar.mk b/package/tar/tar.mk index edbd9bdc7..9e856b53f 100644 --- a/package/tar/tar.mk +++ b/package/tar/tar.mk @@ -10,6 +10,19 @@ TAR_SITE = $(BR2_GNU_MIRROR)/tar # Prefer full-blown tar over buybox's version ifeq ($(BR2_PACKAGE_BUSYBOX),y) TAR_DEPENDENCIES += busybox +HOST_TAR_DEPENDENCIES = endif $(eval $(call AUTOTARGETS)) + +# host-tar: use cpio.gz instead of tar.gz to prevent chicken-egg problem +# of needing tar to build tar. +HOST_TAR_SOURCE = tar-$(TAR_VERSION).cpio.gz +define HOST_TAR_EXTRACT_CMDS + mkdir -p $(@D) + cd $(@D) && \ + $(INFLATE.gz) $(DL_DIR)/$(HOST_TAR_SOURCE) | cpio -i + mv $(@D)/tar-$(TAR_VERSION)/* $(@D) + rmdir $(@D)/tar-$(TAR_VERSION) +endef +$(eval $(call AUTOTARGETS,host)) diff --git a/support/dependencies/check-host-tar.mk b/support/dependencies/check-host-tar.mk new file mode 100644 index 000000000..010bde7a5 --- /dev/null +++ b/support/dependencies/check-host-tar.mk @@ -0,0 +1,9 @@ +TAR ?= tar + +ifeq (,$(call suitable-host-package,tar,$(TAR))) + DEPENDENCIES_HOST_PREREQ += host-tar + TAR = $(HOST_DIR)/usr/bin/tar +endif + +# Since TAR is at least 1.17, it will certainly support --strip-components +TAR_STRIP_COMPONENTS = --strip-components diff --git a/support/dependencies/check-host-tar.sh b/support/dependencies/check-host-tar.sh new file mode 100755 index 000000000..2cfc2b3cc --- /dev/null +++ b/support/dependencies/check-host-tar.sh @@ -0,0 +1,35 @@ +#!/bin/sh + +candidate="$1" + +tar=`which $candidate` +if [ ! -x "$tar" ]; then + tar=`which tar` + if [ ! -x "$tar" ]; then + # echo nothing: no suitable tar found + exit 1 + fi +fi + +# Output of 'tar --version' examples: +# tar (GNU tar) 1.15.1 +# tar (GNU tar) 1.25 +version=`$tar --version | head -n 1 | sed 's/^.*\s\([0-9]\+\.\S\+\).*$/\1/'` +major=`echo "$version" | cut -d. -f1` +minor=`echo "$version" | cut -d. -f2` +bugfix=`echo "$version" | cut -d. -f3` + +# Minimal version = 1.17 (previous versions do not correctly unpack archives +# containing hard-links if the --strip-components option is used). +major_min=1 +minor_min=17 +if [ $major -gt $major_min ]; then + echo $tar +else + if [ $major -eq $major_min -a $minor -ge $minor_min ]; then + echo $tar + else + # echo nothing: no suitable tar found + exit 1 + fi +fi |