[Bug bootstrap/109709] List of prerequisites should include that tar is required (not only for unpacking the source).

["me at manueljacob dot de" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109709

--- Comment #3 from Manuel Jacob <me at manueljacob dot de> ---
(In reply to Richard Biener from comment #1)
> Huh, can you post how it fails?

if [ -d ../prev-gcc ]; then \
  cd ../prev-gcc && \
  make real-install-headers-tar DESTDIR=`pwd`/../gcc/ \
    libsubdir=. ; \
else \
  set -e; for ml in `cat fixinc_list`; do \
    sysroot_headers_suffix=`echo ${ml} | sed -e 's/;.*$//'`; \
    multi_dir=`echo ${ml} | sed -e 's/^[^;]*;//'`; \
    fix_dir=include-fixed${multi_dir}; \
    if ! false && test ! -d `echo /usr/include | sed -e :a -e
's,[^/]*/\.\.\/,,' -e ta`; then \
      echo The directory that should contain system headers does not exist: >&2
; \
      echo "  `echo /usr/include | sed -e :a -e 's,[^/]*/\.\.\/,,' -e ta`" >&2
; \
      tooldir_sysinc=`echo
"/usr/lib/gcc/x86_64-pc-linux-gnu/13.1.0/../../../../x86_64-pc-linux-gnu/sys-include"
| sed -e :a -e "s,[^/]*/\.\.\/,," -e ta`; \
      if test "x`echo /usr/include | sed -e :a -e 's,[^/]*/\.\.\/,,' -e ta`" =
"x${tooldir_sysinc}"; \
      then sleep 1; else exit 1; fi; \
    fi; \
    /bin/sh /build/source/gcc-13.1.0/gcc/../mkinstalldirs ${fix_dir}; \
    chmod a+rx ${fix_dir} || true; \
    (TARGET_MACHINE='x86_64-pc-linux-gnu'; srcdir=`cd
/build/source/gcc-13.1.0/gcc; ${PWDCMD-pwd}`; \
      SHELL='/bin/sh'; MACRO_LIST=`${PWDCMD-pwd}`/macro_list ; \
      gcc_dir=`${PWDCMD-pwd}` ; \
      export TARGET_MACHINE srcdir SHELL MACRO_LIST && \
      cd ../build-x86_64-pc-linux-gnu/fixincludes && \
      /bin/sh ./fixinc.sh "${gcc_dir}/${fix_dir}" \
        `echo /usr/include | sed -e :a -e 's,[^/]*/\.\.\/,,' -e ta`  ); \
  done; \
fi
make[4]: Entering directory '/build/build/prev-gcc'
(cd `${PWDCMD-pwd}`/include-fixed ; \
 tar -cf - .; exit 0) | (cd /build/build/prev-gcc/../gcc/./include-fixed; tar
xpf - )
/bin/sh: line 2: tar: command not found
/bin/sh: line 2: tar: command not found
make[4]: *** [Makefile:4028: real-install-headers-tar] Error 127
make[4]: Leaving directory '/build/build/prev-gcc'
make[3]: *** [Makefile:3309: stmp-fixinc] Error 2
make[3]: Leaving directory '/build/build/gcc'
make[2]: *** [Makefile:5013: all-stage2-gcc] Error 2
make[2]: Leaving directory '/build/build'
make[1]: *** [Makefile:27012: stage2-bubble] Error 2
make[1]: Leaving directory '/build/build'
make: *** [Makefile:1080: all] Error 2