From 890ecc27cb1f6fa62763cede74e2b4c0c5ea01b3 Mon Sep 17 00:00:00 2001
From: eddiz <16883778+eddiz@users.noreply.github.com>
Date: Sun, 19 Nov 2017 22:31:21 +0100
Subject: [PATCH] Optional Compiler Optimization

Enable all Compile Optimization by setting according compiler flags. (Visual Studio tested, gcc and other should work properly, but untested)
---
 CMakeLists.txt | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4e7e699..d25623c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -101,6 +101,17 @@ if (ENABLE_GOMA)
   set_compiler_launcher(ENABLE_GOMA gomacc)
 endif ()
 
+if(ENABLE_EXTRA_SPEED)
+	if(MSVC)
+		#enable parallel builds
+		add_compile_options("$<$<CXX_COMPILER_ID:MSVC>:/Qpar>")
+		#maximum optimization in Release mode
+		add_compile_options("$<$<AND:$<CXX_COMPILER_ID:MSVC>,$<CONFIG:RELEASE>>:/Ox>")
+	else()
+		add_compiler_flag_if_supported("-O3")
+	endif()
+endif()
+
 # Generate a version file containing repository info.
 include(FindGit)
 find_package(Git)