[2850] Build ZoneTableSegmentMapped only where shared memory support is enabled

configure.ac

@@ -893,6 +893,9 @@ if test X$use_shared_memory = Xyes -a "$BOOST_MAPPED_FILE_WOULDFAIL" = "yes"; th
     AC_MSG_ERROR([Boost shared memory does not compile on this system.  If you don't need it (most normal users won't) build without it; using a different compiler or a different version of Boost may also help.])
 fi
 AM_CONDITIONAL([USE_SHARED_MEMORY], [test x$use_shared_memory = xyes])
+if test "x$use_shared_memory" = "xyes"; then
+    AC_DEFINE(USE_SHARED_MEMORY, 1, [Define to 1 if shared memory support is enabled])
+fi
 AC_SUBST(BOOST_MAPPED_FILE_CXXFLAG)
 
 # Add some default CPP flags needed for Boost, identified by the AX macro.

src/lib/datasrc/memory/Makefile.am

@@ -22,7 +22,11 @@ libdatasrc_memory_la_SOURCES += zone_table.h zone_table.cc
 libdatasrc_memory_la_SOURCES += zone_finder.h zone_finder.cc
 libdatasrc_memory_la_SOURCES += zone_table_segment.h zone_table_segment.cc
 libdatasrc_memory_la_SOURCES += zone_table_segment_local.h zone_table_segment_local.cc
+
+if USE_SHARED_MEMORY
 libdatasrc_memory_la_SOURCES += zone_table_segment_mapped.h zone_table_segment_mapped.cc
+endif
+
 libdatasrc_memory_la_SOURCES += zone_data_updater.h zone_data_updater.cc
 libdatasrc_memory_la_SOURCES += zone_data_loader.h zone_data_loader.cc
 libdatasrc_memory_la_SOURCES += memory_client.h memory_client.cc

src/lib/datasrc/memory/zone_table_segment.cc

@@ -12,9 +12,13 @@
 // OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 // PERFORMANCE OF THIS SOFTWARE.
 
+#include "config.h"
+
 #include <datasrc/memory/zone_table_segment.h>
 #include <datasrc/memory/zone_table_segment_local.h>
+#ifdef USE_SHARED_MEMORY
 #include <datasrc/memory/zone_table_segment_mapped.h>
+#endif
 #include <datasrc/memory/zone_writer.h>
 
 #include <string>
@@ -32,8 +36,10 @@ ZoneTableSegment::create(const RRClass& rrclass, const std::string& type) {
     // Until that it becomes a real issue we won't be too smart.
     if (type == "local") {
         return (new ZoneTableSegmentLocal(rrclass));
+#ifdef USE_SHARED_MEMORY
     } else if (type == "mapped") {
         return (new ZoneTableSegmentMapped(rrclass));
+#endif
     }
     isc_throw(UnknownSegmentType, "Zone table segment type not supported: "
               << type);

src/lib/datasrc/tests/memory/Makefile.am

@@ -39,7 +39,11 @@ run_unittests_SOURCES += zone_data_loader_unittest.cc
 run_unittests_SOURCES += zone_data_updater_unittest.cc
 run_unittests_SOURCES += zone_table_segment_test.h
 run_unittests_SOURCES += zone_table_segment_unittest.cc
+
+if USE_SHARED_MEMORY
 run_unittests_SOURCES += zone_table_segment_mapped_unittest.cc
+endif
+
 run_unittests_SOURCES += zone_writer_unittest.cc
 
 run_unittests_CPPFLAGS = $(AM_CPPFLAGS) $(GTEST_INCLUDES)