From 5d97f3fc2c259613db7065f249e073a7994fab29 Mon Sep 17 00:00:00 2001
From: John Szakmeister <john@szakmeister.net>
Date: Fri, 7 Nov 2014 06:21:54 -0500
Subject: build: default to using -O2 for release builds

The -O3 optimization level can often lead to dangerous (and sometimes
incorrect) optimizations being performed.  So let's use a level that's
more stable.
---
 CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index eb79a18747..951a0c14f3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -42,6 +42,9 @@ if(APPLE)
   endif()
 endif()
 
+# Default to -O2 on release builds.
+string(REPLACE "-O3" "-O2" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
+
 # gcc 4.0 and better turn on _FORTIFY_SOURCE=2 automatically.  This currently
 # does not work with Neovim due to some uses of dynamically-sized structures.
 # See https://github.com/neovim/neovim/issues/223 for details.
-- 
cgit