[trac812] reduce dependency: asiolink now doesn't need libdns++.

src/lib/asiolink/Makefile.am

@@ -2,7 +2,6 @@ SUBDIRS = . tests
 
 AM_CPPFLAGS = -I$(top_srcdir)/src/lib -I$(top_builddir)/src/lib
 AM_CPPFLAGS += $(BOOST_INCLUDES)
-AM_CPPFLAGS += -I$(top_srcdir)/src/lib/dns -I$(top_builddir)/src/lib/dns
 
 AM_CXXFLAGS = $(B10_CXXFLAGS)
 

src/lib/asiolink/tests/Makefile.am

@@ -1,6 +1,5 @@
 AM_CPPFLAGS = -I$(top_srcdir)/src/lib -I$(top_builddir)/src/lib
 AM_CPPFLAGS += $(BOOST_INCLUDES)
-AM_CPPFLAGS += -I$(top_builddir)/src/lib/dns -I$(top_srcdir)/src/bin
 AM_CPPFLAGS += -I$(top_builddir)/src/lib/util -I$(top_srcdir)/src/util
 AM_CPPFLAGS += -I$(top_builddir)/src/lib/cc
 AM_CPPFLAGS += -DTEST_DATA_DIR=\"$(srcdir)/testdata\"
@@ -17,8 +16,6 @@ TESTS =
 if HAVE_GTEST
 TESTS += run_unittests
 run_unittests_SOURCES  = run_unittests.cc
-run_unittests_SOURCES += $(top_srcdir)/src/lib/dns/tests/unittest_util.h
-run_unittests_SOURCES += $(top_srcdir)/src/lib/dns/tests/unittest_util.cc
 run_unittests_SOURCES += io_address_unittest.cc
 run_unittests_SOURCES += io_endpoint_unittest.cc
 run_unittests_SOURCES += io_socket_unittest.cc
@@ -32,7 +29,6 @@ run_unittests_CPPFLAGS = $(AM_CPPFLAGS) $(GTEST_INCLUDES)
 
 run_unittests_LDADD  = $(GTEST_LDADD)
 run_unittests_LDADD += $(SQLITE_LIBS)
-run_unittests_LDADD += $(top_builddir)/src/lib/dns/libdns++.la
 run_unittests_LDADD += $(top_builddir)/src/lib/asiolink/libasiolink.la
 run_unittests_LDADD += $(top_builddir)/src/lib/util/libutil.la
 run_unittests_LDADD += $(top_builddir)/src/lib/log/liblog.la