diff --git a/ip2net/Makefile b/ip2net/Makefile
index b144893..5893f58 100644
--- a/ip2net/Makefile
+++ b/ip2net/Makefile
@@ -1,5 +1,5 @@
 CC ?= gcc
-CFLAGS += -std=gnu99 -Os
+CFLAGS += -std=gnu99 -Os -flto=auto
 CFLAGS_BSD = -Wno-address-of-packed-member
 CFLAGS_WIN = -static
 LIBS = 
diff --git a/nfq/BSDmakefile b/nfq/BSDmakefile
index e782a07..8c611c0 100644
--- a/nfq/BSDmakefile
+++ b/nfq/BSDmakefile
@@ -1,5 +1,5 @@
 CC ?= cc
-CFLAGS += -std=gnu99 -s -Os -Wno-address-of-packed-member
+CFLAGS += -std=gnu99 -s -Os -Wno-address-of-packed-member -flto=auto
 LIBS = -lz
 SRC_FILES = *.c crypto/*.c
 
diff --git a/nfq/Makefile b/nfq/Makefile
index 92adf99..3a2659a 100644
--- a/nfq/Makefile
+++ b/nfq/Makefile
@@ -1,7 +1,6 @@
 CC ?= gcc
 CFLAGS += -std=gnu99 -Os
-CFLAGS_BSD = -Wno-address-of-packed-member
-CFLAGS_MAC = -mmacosx-version-min=10.8
+CFLAGS_BSD = -Wno-address-of-packed-member -flto=auto
 CFLAGS_CYGWIN = -Wno-address-of-packed-member -static
 LIBS_LINUX = -lnetfilter_queue -lnfnetlink -lz
 LIBS_BSD = -lz
diff --git a/tpws/BSDmakefile b/tpws/BSDmakefile
index c86e4bd..922ca61 100644
--- a/tpws/BSDmakefile
+++ b/tpws/BSDmakefile
@@ -1,5 +1,5 @@
 CC ?= cc
-CFLAGS += -std=gnu99 -s -Os
+CFLAGS += -std=gnu99 -s -Os -flto=auto
 LIBS = -lz -lpthread
 SRC_FILES = *.c
 
diff --git a/tpws/Makefile b/tpws/Makefile
index 00814c4..3d6624d 100644
--- a/tpws/Makefile
+++ b/tpws/Makefile
@@ -1,5 +1,5 @@
 CC ?= gcc
-CFLAGS += -std=gnu99 -Os
+CFLAGS += -std=gnu99 -Os -flto=auto
 CFLAGS_BSD = -Wno-address-of-packed-member
 LIBS = -lz -lpthread
 LIBS_ANDROID = -lz