[1450] Modify makefiles to get this to build in BIND 10

configure.ac

@@ -938,6 +938,7 @@ AC_CONFIG_FILES([Makefile
                  tests/tools/Makefile
                  tests/tools/badpacket/Makefile
                  tests/tools/badpacket/tests/Makefile
+                 tests/tools/perfdhcp/Makefile
                ])
 AC_OUTPUT([doc/version.ent
            compatcheck/sqlite3-difftbl-check.py

tests/tools/Makefile.am

@@ -1 +1 @@
-SUBDIRS = badpacket
+SUBDIRS = badpacket perfdhcp

tests/tools/perfdhcp/Makefile.am

@@ -0,0 +1,11 @@
+SUBDIRS = .
+
+AM_CXXFLAGS = $(B10_CXXFLAGS)
+
+AM_LDFLAGS = -lrt -lm
+if USE_STATIC_LINK
+AM_LDFLAGS += -static
+endif
+
+pkglibexec_PROGRAMS  = perfdhcp
+perfdhcp_SOURCES  = perfdhcp.c