From 69bb8fef9b3aa6109a3efd12834a206caad0c0ed Mon Sep 17 00:00:00 2001
From: David Capello <davidcapello@gmail.com>
Date: Mon, 5 Oct 2015 21:19:11 -0300
Subject: [PATCH] Add flag to improve linking times when we use the Skia port

---
 src/CMakeLists.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 2aa2771ad..ee0f6946f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -14,6 +14,12 @@ endif()
 # Compiler-specific flags
 
 if(MSVC)
+  # As Skia is compiled with /GL flag (whole program optimization),
+  # the linker prefer a /LTCG parameter to improve link times.
+  if(USE_SKIA_BACKEND)
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /LTCG")
+  endif()
+
   # Do not link with libcmt.lib (to avoid duplicated symbols with msvcrtd.lib)
   if(CMAKE_BUILD_TYPE STREQUAL Debug)
     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /NODEFAULTLIB:LIBCMT")