From 071b4fca613f6f20233be244f8945f081bc01744 Mon Sep 17 00:00:00 2001
From: Lubomir Rintel <lkundrak@v3.sk>
Date: Wed, 18 May 2016 17:19:03 +0200
Subject: [PATCH] build: prefer LTO-aware ar and ranlib

This actually fixes --with-lto.
---
 configure.ac | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure.ac b/configure.ac
index 01696ebaa4..be271c1159 100644
--- a/configure.ac
+++ b/configure.ac
@@ -35,6 +35,10 @@ AC_PROG_CXX
 
 AC_PROG_LN_S
 
+# Prefer gcc-* variants; the ones libtool would choose don't work with LTO
+AC_CHECK_TOOLS(AR, [gcc-ar ar], false)
+AC_CHECK_TOOLS(RANLIB, [gcc-ranlib ranlib], :)
+
 dnl Initialize libtool
 LT_PREREQ([2.2])
 LT_INIT([disable-static])