Debian package with DNSSEC now possible.

DNSSEC will eventually become opt-out and when that happens
I'll add libnettle build-depends. For now, build with

fakeroot debian/rules DEB_BUILD_OPTIONS=usednssec

to get DNSSEC support.

debian/rules

@@ -17,7 +17,7 @@ CFLAGS += -Wall -W
 
 LDFLAGS = $(shell dpkg-buildflags --get LDFLAGS)
 
-COPTS = 
+COPTS =
 
 TARGET = install-i18n
 
@@ -77,6 +77,10 @@ ifneq (,$(filter uselua,$(DEB_BUILD_OPTIONS)))
      COPTS += -DHAVE_LUASCRIPT
 endif
 
+ifneq (,$(filter usednssec,$(DEB_BUILD_OPTIONS)))
+     COPTS += -DHAVE_DNSSEC
+endif
+
 clean:
 	$(checkdir)
 	rm -rf debian/daemon debian/base debian/utils debian/*~ debian/files debian/substvars debian/utils-substvars