-MAKEOPTS=-f makefile DESTDIR=\"$(BUILDDIR)\" BINDIR=/usr/bin MANDIR=/usr/share/man/man1 INFODIR=/usr/share/doc/ckermit KFLAGS='$(CFLAGS)' MULTIARCH=\"$(DEB_HOST_MULTIARCH)\" LNKFLAGS="-Wl,-z,defs -Wl,--as-needed"
+ifeq (,$(findstring hurd, $(DEB_HOST_ARCH_OS)))
+ CFLAGS += -DHAVE_PTMX
+endif
+
+LINKERFLAGS=`dpkg-buildflags --get LDFLAGS`
+LINKERFLAGS+=-Wl,-z,defs -Wl,--as-needed
+
+MAKEOPTS=-f makefile DESTDIR=\"$(BUILDDIR)\" BINDIR=/usr/bin MANDIR=/usr/share/man/man1 INFODIR=/usr/share/doc/ckermit KFLAGS='$(CFLAGS)' MULTIARCH=\"$(DEB_HOST_MULTIARCH)\" LNKFLAGS="$(LINKERFLAGS)"