Fixed conen intergation in CMake and added '-march=native' switch

CMakeLists.txt

@@ -24,6 +24,12 @@ set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
 	
+include(CheckCXXCompilerFlag)
+CHECK_CXX_COMPILER_FLAG("-march=native" COMPILER_SUPPORTS_MARCH_NATIVE)
+if(COMPILER_SUPPORTS_MARCH_NATIVE)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native")
+endif()
+
 if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
     set(warnings "-Wall -Wextra -Werror")
     set(CMAKE_CXX_FLAG_RELEASE "-O3 -DNDEBUG -D_GLIBCXX_USE_CXX11_ABI=0")

cmake/Conan.cmake

@@ -25,15 +25,17 @@ macro(setup_conan)
   set(conanfile_cmake ${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
   set(compiler_libcxx libstdc++11)
 
-  if(${CMAKE_BUILD_TYPE} STREQUAL RelWithDebInfo)
+  if("${CMAKE_BUILD_TYPE}" STREQUAL "")
-  	execute_process(COMMAND ${conan} install --build=missing
+	set(CONAN_BUILD_TYPE Debug)
-                   -s build_type=Release -s compiler.libcxx=${compiler_libcxx}
+  elseif("${CMAKE_BUILD_TYPE}" STREQUAL "RelWithDebInfo")
-                   ${CMAKE_SOURCE_DIR} RESULT_VARIABLE return_code)
+	set(CONAN_BUILD_TYPE Release)
   else()
-   	execute_process(COMMAND ${conan} install --build=missing
+	set(CONAN_BUILD_TYPE ${CMAKE_BUILD_TYPE})
-                   -s build_type=${CMAKE_BUILD_TYPE} -s compiler.libcxx=${compiler_libcxx}
-                   ${CMAKE_SOURCE_DIR} RESULT_VARIABLE return_code)
   endif()
+
+  execute_process(COMMAND ${conan} install --build=missing
+	  -s build_type=${CONAN_BUILD_TYPE} -s compiler.libcxx=${compiler_libcxx}
+	           ${CMAKE_SOURCE_DIR} RESULT_VARIABLE return_code)
   if(NOT ${return_code} EQUAL 0)
     message(FATAL_ERROR "conan install command failed.")
   endif()