docker: link with --as-needed

diff --git a/scripts/Dockerfile b/scripts/Dockerfile
index ce174414ea7ae7396cbb3393b7b9270fd6c6e618..6d5084bd3812cb037a9c92ab706ca350fe8e934e 100644 (file)
--- a/scripts/Dockerfile
+++ b/scripts/Dockerfile
@@ -9,6 +9,7 @@ ENV PREFIX /usr/local
 ENV BUILD_DIR /tmp/build
 ENV BUILD_IGNORE gmp nettle jansson gnutls lua
 ENV CFLAGS -DNDEBUG -O2 -g -fstack-protector
+ENV LDFLAGS -Wl,--as-needed
 
 # Expose port
 EXPOSE 53