From 94551e3e6186a69128b4bac8a408b82646cd5cd8 Mon Sep 17 00:00:00 2001
From: Max Regan <mgregan2@gmail.com>
Date: Mon, 19 Feb 2018 04:34:33 +0000
Subject: [PATCH] build: add -flto flag for performance and perf configuration

---
 configure | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index 026ecfb..a98488b 100755
--- a/configure
+++ b/configure
@@ -20,6 +20,9 @@ for arg in $@; do
 	--coverage)
 	    coverage="yes"
 	;;
+	--perf)
+	    perf="yes"
+	;;
 	*)
 	    echo "unknown option $arg"
 	    exit 1
@@ -62,8 +65,13 @@ if [[ "$coverage" == "yes" ]]; then
    ldflags_extra="$ldflags_extra -lgcov --coverage"
 fi
 
+release_cflags="-O3 -flto"
 if [[ "$release" == "yes" ]]; then
-    ccflags_extra="$ccflags_extra -O3"
+    ccflags_extra="$ccflags_extra $release_cflags"
+fi
+
+if [[ "$perf" == "yes" ]]; then
+    ccflags_extra="$ccflags_extra $release_cflags -ggdb"
 fi
 
 add_define CCFLAGS_EXTRA "$ccflags_extra"