***** aclocal *****
***** aclocal

configure.ac:1677: error: AC_SUBST: `libdir exec_prefix prefix' is not a valid shell variable name
configure.ac:1677: the top level
autom4te-2.62: /usr/bin/m4 failed with exit status: 1
aclocal-1.10: autom4te failed with exit status: 1