https://github.com/JRaspass/Cache-Memcached-Fast/pull/11

From 4bba22fac564a0798022197476f63fb6b481129f Mon Sep 17 00:00:00 2001
From: Kent Fredric <kentnl@gentoo.org>
Date: Tue, 3 Oct 2017 20:20:14 +1300
Subject: [PATCH] Strip -flto from CFLAGS

-flto breaks compilation of static archives and needs significant  magic
to not break, including sentience about which CC you're using.
---
 Makefile.PL | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Makefile.PL b/Makefile.PL
index 0054164..ad249b9 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -24,6 +24,13 @@
     },
 );
 
+sub MY::cflags {
+  my $self = shift;
+  my $orig = $self->MM::cflags(@_);
+  $orig =~ s/-flto\b//g;
+  return $orig;
+}
+
 sub MY::postamble { <<'MAKE' }
 $(MYEXTLIB): src/Makefile
 	cd src && $(MAKE) $(PASTHRU)