Revert boost requirement to 1.37

I don't want to get into testing for tr1::unordered_map, and the
boost compatibility doesn't exist in 1.34.

diff --git a/configure.ac b/configure.ac
index 716cd68a1603e90006f885e758deeda74a69c765..3e18ea0a179d8610f784d5a0d01cb4fac1473aa9 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -37,7 +37,7 @@ AC_PROG_CXX
 AC_PROG_RANLIB
 AC_PROG_INSTALL
 AC_PROG_LN_S
-AX_BOOST_BASE([1.34.0])
+AX_BOOST_BASE([1.37.0])
 
 if test "x$BOOST_CPPFLAGS" != "x-I/usr/include" ; then
    CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"