updated boost configuration

Author: JohnCremona

configure.ac

@@ -66,15 +66,15 @@ AX_CXX_COMPILE_STDCXX([17],,mandatory)
 # define ECLIB_MULTITHREAD=1.
 #
 # Boost 1.35.0+ required for Asio (1.25.0 for Thread)
-AX_BOOST_BASE([1.35.0], [
-AX_BOOST_SYSTEM
-AX_BOOST_ASIO
-AX_BOOST_THREAD
-])
+#AX_BOOST_BASE([1.35.0], [
+#AX_BOOST_SYSTEM
+#AX_BOOST_ASIO
+#AX_BOOST_THREAD
+#])
+
+BOOST_REQUIRE([1.35.0])
 
-if [test "$ax_cv_boost_system" = "yes"] &&
-   [test "$ax_cv_boost_asio"   = "yes"] &&
-   [test "$ax_cv_boost_thread" = "yes"]; then
+if [test "$boost" = "yes"]; then
    AC_DEFINE([ECLIB_MULTITHREAD],[1],[Define if multithreading available and requested])
 fi