$ ./configure
<foo>
checking whether GLib is unpacked to irssi dir... no
./configure: line 7168: syntax error near unexpected token `1.2.0,,,'
./configure: line 7168: `      AM_PATH_GLIB(1.2.0,,, $glib_modules)'

$ l /usr/local/share/aclocal/
codeset.m4       glibc21.m4       inttypes_h.m4    libtool.m4       po.m4            uintmax_t.m4
gettext.m4       iconv.m4         isc-posix.m4     longdouble.m4    printf-posix.m4  ulonglong.m4
glib-2.0.m4      intdiv0.m4       lcmessage.m4     longlong.m4      progtest.m4      wchar_t.m4
glib-gettext.m4  intmax.m4        lib-ld.m4        ltdl.m4          signed.m4        wint_t.m4
glib.m4          inttypes-pri.m4  lib-link.m4      nls.m4           size_max.m4      xsize.m4
glibc2.m4        inttypes.m4      lib-prefix.m4    pkg.m4           stdint_h.m4