diff --git a/srcpkgs/libmill/patches/gcc9.patch b/srcpkgs/libmill/patches/gcc9.patch
new file mode 100644
index 00000000000..fa3acac8fce
--- /dev/null
+++ b/srcpkgs/libmill/patches/gcc9.patch
@@ -0,0 +1,31 @@
+From 195809f97a368380487259dca3f0926d29a298a6 Mon Sep 17 00:00:00 2001
+From: Adel Mamin <adel.mamin@exafore.com>
+Date: Thu, 18 Jul 2019 12:51:35 +0300
+Subject: [PATCH] Fix compilation for gcc 9.1.0
+
+---
+ dns/dns.h | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/dns/dns.h b/dns/dns.h
+index 7eb3e7d6..dc88ab51 100644
+--- dns/dns.h
++++ dns/dns.h
+@@ -496,7 +496,7 @@ size_t dns_rr_print(void *, size_t, struct dns_rr *, struct dns_packet *, int *)
+ 
+ 
+ #define dns_rr_i_new(P, ...) \
+-	dns_rr_i_init(&dns_quietinit((struct dns_rr_i){ 0, __VA_ARGS__ }), (P))
++	dns_rr_i_init(dns_quietinit(&(struct dns_rr_i){ 0, __VA_ARGS__ }), (P))
+ 
+ struct dns_rr_i {
+ 	enum dns_section section;
+@@ -1006,7 +1006,7 @@ void dns_cache_close(struct dns_cache *);
+ #define DNS_OPTS_INITIALIZER  { DNS_OPTS_INITIALIZER_ }
+ #define DNS_OPTS_INIT(...)    { DNS_OPTS_INITIALIZER_, __VA_ARGS__ }
+ 
+-#define dns_opts(...) (&dns_quietinit((struct dns_options)DNS_OPTS_INIT(__VA_ARGS__)))
++#define dns_opts(...) (dns_quietinit(&(struct dns_options)DNS_OPTS_INIT(__VA_ARGS__)))
+ 
+ struct dns_options {
+ 	/*