* no -O3
* fix man directory

Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -254,8 +254,8 @@ else()
   add_definitions(-DARMA_NO_DEBUG)
   add_definitions(-DNDEBUG)
   if (NOT MSVC)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99 -O3")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99")
   else ()
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /O3")
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /O3")