diff --git a/configure b/configure
index c0eb45f2..557ac101 100755
--- a/configure
+++ b/configure
@@ -3973,7 +3973,7 @@ fi
 
 
 if test "$GCC" = yes; then
-	CFLAGS="$CFLAGS -Wall -Wextra -Wstrict-prototypes"
+	CFLAGS="$CFLAGS -Wall -Wextra -Wstrict-prototypes -flto=auto -ffat-lto-objects"
 fi
 
 if test "$ac_cv_perlartifacts" = "yes" ; then
diff --git a/configure.in b/configure.in
index 6c5dba32..dfe2d118 100644
--- a/configure.in
+++ b/configure.in
@@ -47,7 +47,7 @@ AC_FUNC_UTIME_NULL
 AC_HEADER_TIME
 
 if test "$GCC" = yes; then
-	CFLAGS="$CFLAGS -Wall -Wextra -Wstrict-prototypes"
+	CFLAGS="$CFLAGS -Wall -Wextra -Wstrict-prototypes -flto=auto -ffat-lto-objects"
 fi
 
 if test "$ac_cv_perlartifacts" = "yes" ; then