AC_DEFUN([BUILD_WITH_SHARED_BUILD_DIR],

  [ AC_ARG_WITH([shared-build-dir],

                [AC_HELP_STRING([--with-shared-build-dir=DIR],

                                [temporary build directory where libraries are installed [$srcdir/sharedbuild]])])

    sharedbuilddir="$srcdir/sharedbuild"

    if test x"$with_shared_build_dir" != x; then

        sharedbuilddir=$with_shared_build_dir

        CFLAGS="$CFLAGS -I$with_shared_build_dir/include"

        CPPFLAGS="$CPPFLAGS -I$with_shared_build_dir/include"

        LDFLAGS="$LDFLAGS -L$with_shared_build_dir/lib"

    fi

    AC_SUBST(sharedbuilddir)

  ])

AC_DEFUN([BUILD_WITH_AUX_INFO],

  [ AC_ARG_WITH([aux-info],

                [AC_HELP_STRING([--with-aux-info],

                                [Build with -aux-info output])])

  ])

AM_CONDITIONAL([WANT_AUX_INFO], [test x$with_aux_info = xyes])