AC_DEFUN([SAGE_CHECK_PARI_DEP],[
AC_REQUIRE([SAGE_SPKG_CONFIGURE_PARI])
AC_MSG_CHECKING([installing pari? ])
if test x$sage_spkg_install_pari = xyes; then
AC_MSG_RESULT([yes; install $1 as well])
[sage_spkg_install_]$1=yes
else
AC_MSG_RESULT([no])
fi
])