diff --git a/srcpkgs/netperf/patches/include.patch b/srcpkgs/netperf/patches/include.patch
new file mode 100644
index 00000000000..209260302a2
--- /dev/null
+++ b/srcpkgs/netperf/patches/include.patch
@@ -0,0 +1,28 @@
+--- a/src/net_uuid.c
++++ b/src/net_uuid.c
+@@ -28,6 +28,7 @@
+ #include <stdlib.h>
+ #include <string.h>
+ #include <fcntl.h>
++#include <unistd.h>
+ 
+ #if defined(HAVE_INTTYPES_H)
+ #include <inttypes.h>
+--- a/src/netlib.c
++++ b/src/netlib.c
+@@ -779,6 +779,7 @@ random_ip_address(struct addrinfo *res,
+ }
+ 
+ #if defined(HAVE_SENDFILE)
++#include <sys/sendfile.h>
+ int netperf_sendfile(SOCKET send_socket, struct ring_elt *send_ring) {
+ 
+   int  len;
+@@ -2309,6 +2310,7 @@ bind_to_specific_processor(int processor
+      value will not tell you if you are bound vs unbound. */
+   bindprocessor(BINDPROCESS,getpid(),(cpu_t)mapped_affinity);
+ #elif HAVE_SCHED_SETAFFINITY
++#define _GNU_SOURCE
+ #include <sched.h>
+   /* in theory this should cover systems with more CPUs than bits in a
+      long, without having to specify __USE_GNU.  we "cheat" by taking
diff --git a/srcpkgs/netperf/template b/srcpkgs/netperf/template
index 3d7bc656262..89d608b96c1 100644
--- a/srcpkgs/netperf/template
+++ b/srcpkgs/netperf/template
@@ -11,7 +11,7 @@ distfiles="https://github.com/HewlettPackard/netperf/archive/netperf-${version}.
 checksum=4569bafa4cca3d548eb96a486755af40bd9ceb6ab7c6abd81cc6aa4875007c4e
 repository=nonfree
 
-CFLAGS="-fcommon"
+CFLAGS="-D_GNU_SOURCE -fcommon"
 
 post_install() {
 	vlicense COPYING