From: Haoqi Haoqi <axgle@126.com>
Date: 2007-04-29T09:55:27+09:00
Subject: Re: unresolved external symbol __DllMainCRTStartup@12

(1)I try write a ruby extension with code(test.c):
--------------from programming ruby book---------------
#include "ruby.h"

static VALUE t_init(VALUE self)
{
  VALUE arr;

  arr = rb_ary_new();
  rb_iv_set(self, "@arr", arr);
  return self;
}

static VALUE t_add(VALUE self, VALUE anObject)
{
  VALUE arr;

  arr = rb_iv_get(self, "@arr");
  rb_ary_push(arr, anObject);
  return arr;
}

VALUE cTest;

void Init_Test() {
  cTest = rb_define_class("Test", rb_cObject);
  rb_define_method(cTest, "initialize", t_init, 0);
  rb_define_method(cTest, "add", t_add, 1);
}
-----------------------------------------------



(2)extconf.rb:
require 'mkmf'
dir_config("test")
create_makefile("Test")

(3)run ruby extconf.rb --with-test-dir="C:/sdk" 
--with-test-lib="C:/sdk/Lib/AMD64" --
with-test-include="C:\sdk\Include\crt"

"msvcrt.lib,msvcrtd.lib", the two files on 
"C:/sdk/Lib/AMD64","C:/sdk/Lib/IA64"



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