Set level-3 optimization for compiling on 'Unix' systems and enable symbol stripping.

About 1Mo of size gained for shared library.

CMakeLists.txt

@@ -60,11 +60,14 @@ if(WIN32)
 	target_compile_definitions(gm PRIVATE NOMINMAX)
 endif()
 
+if(UNIX)
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")
+	# strip all symbols
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s")
+endif()
+
 find_package(Eigen3 REQUIRED)
 if(EIGEN3_INCLUDE_DIR)
-	if(UNIX)
-		set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} -O3)
-	endif()
 	foreach(GM_SCALAR float double cuComplex cuDoubleComplex)# complex<float> complex<double>)
 		#string(REGEX REPLACE "<|>" "" GM_SCALAR ${GM_SCALAR})
 		set(GM_SCALAR_FILE build/test_gm_${GM_SCALAR}.cpp)