use nowide::ofstream on linux

hikyuu_cpp/hikyuu/utilities/IniParser.cpp

@@ -8,16 +8,12 @@
 #include <iostream>
 #include <sstream>
 #include <fstream>
-#ifdef _MSC_VER
 #include <boost/nowide/fstream.hpp>
-#endif
 
 #include "arithmetic.h"
 #include "IniParser.h"
 
-#ifdef _MSC_VER
 namespace nw = boost::nowide;
-#endif
 
 namespace hku {
 
@@ -63,11 +59,7 @@ IniParser::~IniParser() {}
  * @param filename 指定文件名
  */
 void IniParser::read(const std::string& filename) {
-#ifdef _MSC_VER
     nw::ifstream inifile(filename.c_str(), nw::ifstream::in);
-#else
-    std::ifstream inifile(filename.c_str(), std::ifstream::in);
-#endif
     if (!inifile) {
         throw(std::invalid_argument("Can't read file(" + filename + ")!"));
     }

xmake.lua

@@ -155,12 +155,12 @@ add_requires("myboost " .. boost_version, {
   debug = is_mode("debug"),
   configs = {
     shared = is_plat("windows") and true or false,
-    data_time = true,
+    date_time = true,
     filesystem = true,
     serialization = true,
     system = false,
     python = true,
-    nowide = is_plat("windows") and true or false,
+    nowide = true,
     pyver = get_config("pyver"),
   },
 })