Re: Eager mind wants to understand

[Gary V. Vaughan]

Hi Bob,

Bob Friesenhahn wrote:
> On Sun, 26 Sep 2004, Bob Friesenhahn wrote:
> 
>> + eval objext=NONE objext=NONE
>> + eval /usr/local/bin/grep "^objext=" + /usr/local/bin/grep ^objext= +
>> eval ../libtool --config + ../libtool --config : : cannot open
>> + eval + eval test x"$objext" = xNONE + test xNONE = xNONE +
>> func_error objext not set in `../libtool --config' + echo link.test:
>> objext not set in `../libtool --config' link.test: objext not set in
>> `../libtool --config'
>> + : my_exitp=:
>> + : + exit 1 FAIL: link.test
> 
> 
> After drilling down a bit more, I see that the generated libtool fails
> to run:
> 
> + unset CDPATH
> + test X--config = X--no-reexec
> + test X--config = X--fallback-echo
> + 2> /dev/null
> + test X         = X\t
> + exec /bin/sh  --no-reexec --config
> : : cannot open
> 
> which has to do with the following code in the generated libtool:
> 
>   6665  # This environment variable determines our operation mode.
>   6666  if test \"\$libtool_install_magic\" = \"$magic\"; then
>   6667    # install mode needs the following variable:
>   6668    notinst_deplibs='$notinst_deplibs'
>   6669  else
>   6670    # When we are sourced in execute mode, \$file and \$ECHO are
> already set.
>   6671    if test \"\$libtool_execute_magic\" != \"$magic\"; then
>   6672      ECHO=\"$qecho\"
>   6673      file=\"\$0\"
>   6674      # Make sure echo works.
>   6675      if test \"X\$1\" = X--no-reexec; then
>   6676        # Discard the --no-reexec flag, and continue.
>   6677        shift
>   6678      elif test \"X\`(\$ECHO '\t') 2>/dev/null\`\" = 'X\t'; then
>   6679        # Yippee, \$ECHO works!
>   6680        :
>   6681      else
>   6682        # Restart under the correct shell, and then maybe \$ECHO
> will work.
>   6683        exec $SHELL \"\$0\" --no-reexec \${1+\"address@hidden"}
>   6684      fi
>   6685    fi\
> 
> So apparently \"\$0\" expands to nada.

I believe that I fixed this with my libtool--release--2.0--patch-7.

Cheers,
        Gary.
-- 
Gary V. Vaughan      ())_.  address@hidden,gnu.org}
Research Scientist   ( '/   http://tkd.kicks-ass.net
GNU Hacker           / )=   http://www.gnu.org/software/libtool
Technical Author   `(_~)_   http://sources.redhat.com/autobook

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