From 57b7c528654a9aa7db88f0a7369d7d85302e73cd Mon Sep 17 00:00:00 2001
From: Andreas Suter <andreas.suter@psi.ch>
Date: Tue, 5 Jun 2018 07:59:24 +0200
Subject: [PATCH] cmake: added -O2 which gives the performance improvement
 needed.

---
 src/classes/CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/classes/CMakeLists.txt b/src/classes/CMakeLists.txt
index ec775c9d..55293958 100644
--- a/src/classes/CMakeLists.txt
+++ b/src/classes/CMakeLists.txt
@@ -103,6 +103,11 @@ set_target_properties(PUserFcnBase
 target_include_directories(
   PUserFcnBase BEFORE PRIVATE $<BUILD_INTERFACE:${MUSRFIT_INC}>
 )
+
+#--- add compile options for optimization -------------------------------------
+target_compile_options(PMusr PUBLIC -O2)
+target_compile_options(PUserFcnBase PUBLIC -O2)
+
 #--- add OpenMP compile options if needed -------------------------------------
 if (OpenMP_FOUND)
   target_compile_options(PMusr PUBLIC ${OpenMP_CXX_FLAGS})