Strange use of tar in jhalfs

"Petr \"Qaxi\" Klíma" qaxi at seznam.cz
Fri Aug 3 06:17:27 PDT 2007


Hello

I am new to jhalfs ... so sorry

I succesfully finish those steps

$ tar -xjf jhalfs-2.3.tar.bz2
$ tar -xjf LFS-BOOK-6.2-XML.tar.bz2
$ cd jhalfs-2.3
$ make menuconfig
$ make
    # this downoladed a lot of SRC files ...
$
$ cd /mnt/jhalfs-build_dir
$ cd jhalfs


When I run make

$ make

it fails with this:
--------------------------------------------------------------------------------
 Building target 028-binutils-pass1
tar: This does not look like a tar archive
tar: Skipping to next header
tar: Archive contains obsolescent base-64 headers
tar: Error exit delayed from previous errors
make: *** [028-binutils-pass1] Error 1
make: *** [mk_LUSER] Error 2


What is worse ALL files in /mnt/jhalfs-build_dir/sources are GONE .

When I debug /mnt/jhalfs-build_dir/jhalfs/Makefile

That responsible are those pieces of makefiles

Makefile is calling "remove_existing_dirs"
-- Makefile --------------------
028-binutils-pass1:  022-settingenvironment
    @$(call echo_message, Building)
    @export BASHBIN=$(SHELL) && $(SHELL) progress_bar.sh $@ $$PPID &
    @echo "$(nl_)`date`$(nl_)" >logs/$@
    @$(PRT_DU) >>logs/$@
    @$(call remove_existing_dirs,binutils-2.16.1.tar.bz2)
    @$(call unpack,binutils-2.16.1.tar.bz2)
    @$(call get_pkg_root_LUSER)
    @start=$(TIME_MARK) && \
    source ~/.bashrc && \
    $(CMDSDIR)/chapter05/$@ >> logs/$@ 2>&1 && \
    end=$(TIME_MARK) && $(BUILD_TIME) >>logs/$@ && \
    $(PRT_DU) >>logs/$@
    @$(call remove_build_dirs,binutils)
    @$(call housekeeping)
--------------------------------

-- makefile-functions ----------
define remove_existing_dirs
  @PKG_PATH=`ls -t $(SRCSDIR)/$(1) | head -n1` && \
  ROOT=`tar -tf $$PKG_PATH | head -n1 | sed -e 's@^./@@;s@/.*@@'` && \
  rm -rf $(SRCSDIR)/$$ROOT && \
  rm -rf $(SRCSDIR)/$${ROOT%-*}-build
endef
--------------------------------

As I understand the "ROOT= ...." should contain top directory from package.

But how can "tar -tf " get it when it is compressed by bzi2 ?

"tar -tjf" would by better (and may by an other function for handling 
.gz files)

Did I miss an importnant point ?


-- 

   Petr Klíma

   e-mail:  qaxi at seznam.cz              





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