config.guess location

[Sam Steingold]

Hi,
Some packages install "build-aux" files (config.guess, config.sub,
install-sh et al) so that their add-ons can rely on them.
It would seem to be a relatively easy:

===== configure.ac
AC_PATH_PROG(foo_path, foo)
aux_dir=`foo -print-config-dir`
AC_CONFIG_AUX_DIR($aux_dir)
=====

alas, automake parses configure.ac and errors out:

$ automake gllib/Makefile
configure.in:12: required directory ./$aux_dir/build-aux does not exist
configure.in:12: required file `$aux_dir/build-aux/config.guess' not found
configure.in:12:   `automake --add-missing' can install `config.guess'
configure.in:12: required file `$aux_dir/build-aux/config.sub' not found
configure.in:12:   `automake --add-missing' can install `config.sub'
configure.in:13: required file `$aux_dir/build-aux/install-sh' not found
configure.in:13:   `automake --add-missing' can install `install-sh'
configure.in:13: required file `$aux_dir/build-aux/missing' not found
configure.in:13:   `automake --add-missing' can install `missing'
gllib/Makefile.am: required file `$aux_dir/build-aux/depcomp' not found
gllib/Makefile.am:   `automake --add-missing' can install `depcomp'

is there a way out?

the only thing that comes to mind is to create a symlink to '$aux_dir'
(i.e., the name which has a $ in it) before automake and remove it
afterwards. ugly, but no errors.

what is the right way?

thanks.

-- 
Sam Steingold (http://sds.podval.org/) on Ubuntu 9.04 (jaunty)
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