Index: pdns-recursor-5.1.1/settings/rust/Makefile.am
===================================================================
--- pdns-recursor-5.1.1.orig/settings/rust/Makefile.am
+++ pdns-recursor-5.1.1/settings/rust/Makefile.am
@@ -11,7 +11,7 @@ EXTRA_DIST = \
 
 # should actually end up in a target specific dir...
 libsettings.a lib.rs.h: src/bridge.rs src/lib.rs src/helpers.rs Cargo.toml Cargo.lock build.rs
-	SYSCONFDIR=$(sysconfdir) NODCACHEDIRNOD=$(localstatedir)/nod NODCACHEDIRUDR=$(localstatedir)/udr $(CARGO) build --release $(RUST_TARGET) --target-dir=$(builddir)/target --manifest-path ${srcdir}/Cargo.toml
+	unset LIBSSH2_SYS_USE_PKG_CONFIG && CARGO_FEATURE_VENDORED=1 RUSTFLAGS=" -Clink-arg=-Wl,-z,relro,-z,now -C debuginfo=2 -C incremental=false" SYSCONFDIR=$(sysconfdir) NODCACHEDIRNOD=$(localstatedir)/nod NODCACHEDIRUDR=$(localstatedir)/udr $(CARGO) build --release --offline $(RUST_TARGET) --target-dir=$(builddir)/target --manifest-path ${srcdir}/Cargo.toml
 	cp target/$(RUSTC_TARGET_ARCH)/release/libsettings.a libsettings.a
 	cp target/$(RUSTC_TARGET_ARCH)/cxxbridge/settings/src/lib.rs.h lib.rs.h
 	cp target/$(RUSTC_TARGET_ARCH)/cxxbridge/rust/cxx.h cxx.h