diff --git a/Makefile b/Makefile
index 653c083..5652d59 100644
--- a/Makefile
+++ b/Makefile
@@ -28,6 +28,8 @@
 #   USE_GETADDRINFO      : use getaddrinfo() to resolve IPv6 host names.
 #   USE_OPENSSL          : enable use of OpenSSL. Recommended, but see below.
 #   USE_FUTEX            : enable use of futex on kernel 2.6. Automatic.
+#   USE_ACCEPT4          : enable use of accept4() on linux. Automatic.
+#   USE_MY_ACCEPT4       : use own implemention of accept4() if glibc < 2.10.
 #
 # Options can be forced by specifying "USE_xxx=1" or can be disabled by using
 # "USE_xxx=" (empty string).
@@ -240,6 +242,7 @@
   USE_LIBCRYPT    = implicit
   USE_LINUX_SPLICE= implicit
   USE_LINUX_TPROXY= implicit
+  USE_ACCEPT4     = implicit
   USE_FUTEX       = implicit
 else
 ifeq ($(TARGET),solaris)
@@ -439,6 +442,16 @@
 BUILD_OPTIONS  += $(call ignore_implicit,USE_MY_SPLICE)
 endif
 
+ifneq ($(USE_ACCEPT4),)
+OPTIONS_CFLAGS += -DUSE_ACCEPT4
+BUILD_OPTIONS  += $(call ignore_implicit,USE_ACCEPT4)
+endif
+
+ifneq ($(USE_MY_ACCEPT4),)
+OPTIONS_CFLAGS += -DUSE_MY_ACCEPT4
+BUILD_OPTIONS  += $(call ignore_implicit,USE_MY_ACCEPT4)
+endif
+
 ifneq ($(USE_NETFILTER),)
 OPTIONS_CFLAGS += -DNETFILTER
 BUILD_OPTIONS  += $(call ignore_implicit,USE_NETFILTER)