diff --git a/Makefile b/Makefile
index 5323434..f5e5e33 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,7 @@
 DEBUG  ?= 0
 ASAN   ?= 0
 STATIC ?= 0
+FLTO   ?= 0
 FPGO   ?= 0
 STRIP  ?= 0
 MARCH  ?= native
@@ -33,11 +34,13 @@ else ifeq ($(ASAN),1)
 else
   CONFIG :=
   CFLAGS += -O3 -DNDEBUG
+ifneq ($(FLTO),0)
+  CFLAGS += -flto -fuse-linker-plugin
 endif
-
 ifneq ($(FPGO),0)
   CFLAGS += -fprofile-$(FPGO)
 endif
+endif
 
 MACHINE := $(shell $(CC) -dumpmachine)
 
diff --git a/mk-profiled.sh b/mk-profiled.sh
index dca22d5..cf6cf6f 100755
--- a/mk-profiled.sh
+++ b/mk-profiled.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
 set -e
+readonly USE_LTO=1
 
 PLATFORM="$(uname -a)"
 unset SUFFIX
@@ -23,7 +24,7 @@ printf "\033[1;36m\n------------------------------------------------------------
 printf "\033[1;36mInstrument\n"
 printf "\033[1;36m------------------------------------------------------------------------------\033[0m\n\n"
 
-make FPGO="generate=/tmp/${PGO_PATH}" -B "$@"
+make FLTO=${USE_LTO} FPGO="generate=/tmp/${PGO_PATH}" -B "$@"
 
 printf "\033[1;36m\n------------------------------------------------------------------------------\033[0m\n"
 printf "\033[1;36mProfiling\n"
@@ -39,6 +40,6 @@ printf "\033[1;36m\n------------------------------------------------------------
 printf "\033[1;36mRe-compile\n"
 printf "\033[1;36m------------------------------------------------------------------------------\033[0m\n\n"
 
-make FPGO="use=/tmp/${PGO_PATH}" STRIP=1 -B "$@"
+make FLTO=${USE_LTO} FPGO="use=/tmp/${PGO_PATH}" STRIP=1 -B "$@"
 
 printf "\033[1;32m\nBuild completed successfully.\033[0m\n\n"