modified lib GPC for header only

worked on 3d traytracing

CMakeLists.txt

@@ -43,6 +43,13 @@ FILE(GLOB SOURCES
 	./*/*/*/*.cpp
 )
 
+FIND_PACKAGE( OpenMP REQUIRED)
+if(OPENMP_FOUND)
+	message("OPENMP FOUND")
+	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
+	set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")
+endif()
 
 if(${CMAKE_GENERATOR} MATCHES "Visual Studio")
 
@@ -68,7 +75,8 @@ ADD_DEFINITIONS(
 	-fstack-protector-all
 
 	-g3
-        #-O0
+#	-O0
+	-O2
 	-march=native
 
 	-DWITH_TESTS