* configure.ac: Configured build-aux/ as auxiliarry directory.
* build-aux/compile, build-aux/config.guess,
* configure.ac: Configured build-aux/ as auxiliarry directory.
* build-aux/compile, build-aux/config.guess,
build-aux/install-sh, build-aux/link-warning.h,
build-aux/mdate-sh, build-aux/missing, build-aux/mkinstalldirs,
build-aux/texinfo.tex, build-aux/useless-if-before-free,
build-aux/install-sh, build-aux/link-warning.h,
build-aux/mdate-sh, build-aux/missing, build-aux/mkinstalldirs,
build-aux/texinfo.tex, build-aux/useless-if-before-free,