From: Gyoung-Yoon Noh <nohmad@...>
Date: 2006-02-23T21:40:08+09:00
Subject: Re: compiling c program using rb_eval_string()

On 2/23/06, hongseok.yoon@gmail.com <hongseok.yoon@gmail.com> wrote:> I tried to call rb_eval_string(), so I wrote simple C code.>> #include "/home/xopht/lib/1.8/i686-linux/ruby.h">> int main()> {>     rb_eval_string( "puts" );>     return 0;> }>> I compiled it and get bellow result.>> [xopht@odin ruby]$ g++ -o test test.cc -lruby-static -L/home/xopht/lib/> /home/xopht/lib//libruby-static.a(string.o)(.text+0x319a): In function> `rb_str_crypt':> /home/xopht/ruby/ruby-1.8.4/string.c:4360: undefined reference to> `crypt'> /home/xopht/lib//libruby-static.a(dln.o)(.text+0x9f): In function> `dln_load':> /home/xopht/ruby/ruby-1.8.4/dln.c:1351: undefined reference to `dlopen'> /home/xopht/lib//libruby-static.a(dln.o)(.text+0xb6):/home/xopht/ruby/ruby-1.8.4/dln.c:1356:> undefined reference to `dlsym'> /home/xopht/lib//libruby-static.a(dln.o)(.text+0x12b):/home/xopht/ruby/ruby-1.8.4/dln.c:1359:> undefined reference to `dlclose'> /home/xopht/lib//libruby-static.a(dln.o)(.text+0x5): In function> `dln_strerror':> /home/xopht/ruby/ruby-1.8.4/dln.c:1193: undefined reference to> `dlerror'> collect2: ld returned 1 exit status> [xopht@odin ruby]$>> what's wrong?>>>
rb_string_eval() needs to be initialized properly.Check this,http://phrogz.net/ProgrammingRuby/ext_ruby.html#extendingrubyhttp://www.rubygarden.org/ruby?EmbedRuby
--http://nohmad.sub-port.net