From e248379d76804eb6e512053192acaa0a5e898f84 Mon Sep 17 00:00:00 2001
From: Jack Andersen <jackoalan@gmail.com>
Date: Fri, 15 Jan 2016 20:11:57 -1000
Subject: [PATCH] Enable LTO for OS X Release builds

---
 CMakeLists.txt | 10 +++++++++-
 hecl           |  2 +-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6ca031d50..8596c0851 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,13 +20,21 @@ else()
   endif()
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14 -Wno-multichar -fno-exceptions")
 
+  if(APPLE)
+    set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -flto")
+    set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -flto")
+    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -flto")
+    set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -flto")
+  endif()
+
 endif()
 
 if(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
 include_directories(/usr/local/include)
 endif()
 
-if("${CMAKE_BUILD_TYPE}" STREQUAL "Release" AND "${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
+if(("${CMAKE_BUILD_TYPE}" STREQUAL "Release" OR "${CMAKE_BUILD_TYPE}" STREQUAL "RelWithDebInfo")
+   AND "${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
   option(USE_LD_GOLD "Link with GNU Gold and enable LTO" ON)
 else()
   option(USE_LD_GOLD "Link with GNU Gold and enable LTO" OFF)
diff --git a/hecl b/hecl
index f2dff4f92..c964328bd 160000
--- a/hecl
+++ b/hecl
@@ -1 +1 @@
-Subproject commit f2dff4f92b9da4ea4d99478a56a6697a91851713
+Subproject commit c964328bd3c286e6d87d1375549103777045fad8