AC_MSG_ERROR([You must install the 'ocaml-pgocaml' library])
fi
+dnl Check for OCaml package PCRE (required).
+AC_CHECK_OCAML_PKG(pcre)
+if test "x$OCAML_PKG_pcre" = "xno"; then
+ AC_MSG_ERROR([You must install the 'ocaml-pcre' library])
+fi
+
dnl Check for POD (for manual pages).
AC_CHECK_PROG(POD2MAN,pod2man,pod2man,no)
AM_CONDITIONAL([HAVE_POD2MAN],