# Use and distribution licensed under the BSD license. See
# the COPYING file in this directory for full text.
-AC_INIT([libmemcached],[1.0.17],[http://libmemcached.org/])
+m4_include([version.m4])
+AC_INIT([libmemcached],VERSION_NUMBER,[http://libmemcached.org/])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([m4])
AC_PROG_SED
AC_PROG_MKDIR_P
AC_CHECK_PROGS([LEX],['flex'],[:])
-AC_CHECK_PROGS([YACC],['bison'],[:])
-AX_PROG_SPHINX_BUILD
+AC_CHECK_PROGS([YACC],['bison --warnings=all'],[:])
+AX_PROG_SPHINX_BUILD(,[AC_MSG_ERROR([sphinx-build version 1.0 or greater is required])])
AX_PROG_MEMCACHED
# Checks for libraries.