LT_LANG([C++])
LT_LIB_M
+AC_PROG_CC_C99
+AS_IF([test "x${ac_cv_prog_cc_c99}" == "xno"],[AC_MSG_ERROR([No c99 compatible compiler found])])
+
AX_ASSERT
AX_PLATFORM
AC_PROG_MKDIR_P
AC_CHECK_PROGS([LEX],['flex'],[:])
AC_CHECK_PROGS([YACC],['bison --warnings=all'],[:])
-AX_PROG_SPHINX_BUILD
+AX_PROG_SPHINX_BUILD(,[AC_MSG_ERROR([sphinx-build version 1.0 or greater is required])])
AX_PROG_MEMCACHED
# Checks for libraries.