From fbd0bae6d6dfa0af786c906b419e01bb389ead3e Mon Sep 17 00:00:00 2001
From: David Lamparter <equinox@opensourcerouting.org>
Date: Fri, 29 May 2015 02:22:48 +0200
Subject: [PATCH] build: disable autoconf "-g -O2" default CFLAGS

We have AC_C_FLAG and try -Os before -O2.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
---
 configure.ac | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure.ac b/configure.ac
index e46e44a8b7..a8e820a237 100755
--- a/configure.ac
+++ b/configure.ac
@@ -66,6 +66,10 @@ LIBS="$LIBS -ltcmalloc_minimal"
 esac],[tcmalloc_enabled=false])
 
 
+dnl Thanks autoconf, but we don't want a default -g -O2.  We have our own
+dnl flag determination logic.
+CFLAGS="${CFLAGS:-}"
+
 dnl --------------------
 dnl Check CC and friends
 dnl --------------------