# Undefined reference to \`ruby\_set\_debug\_option', etc

**URL:** <https://www.ruby-forum.com/t/undefined-reference-to-ruby-set-debug-option-etc/124140>\
**Category:** Development\
**Created:** [December 25, 2007, 8:48am UTC](https://www.ruby-forum.com/t/undefined-reference-to-ruby-set-debug-option-etc/124140 "2007-12-25T08:48:03Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Tanaka\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/c67d28/32.png) [@Tanaka\_A](https://www.ruby-forum.com/u/Tanaka_A)\
**Post date:** [December 25, 2007, 8:48am UTC](https://www.ruby-forum.com/t/undefined-reference-to-ruby-set-debug-option-etc/124140/1 "2007-12-25T08:48:03Z")

</div>

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% make goruby  
gcc -Wall -Wformat=2 -Wundef -O0 -g3 -DRUBY\_DEBUG\_ENV -L. -rdynamic  
-Wl,-export-dynamic goruby.o -o goruby  
goruby.o: In function `main': /home/ruby/m17n-test/ruby/main.c:26: undefined reference to`ruby\_set\_debug\_option’  
/home/ruby/m17n-test/ruby/main.c:32: undefined reference to  
`ruby_sysinit' /home/ruby/m17n-test/ruby/main.c:34: undefined reference to`ruby\_init\_stack’  
/home/ruby/m17n-test/ruby/main.c:35: undefined reference to `ruby_init' /home/ruby/m17n-test/ruby/main.c:37: undefined reference to`Init\_golf’  
/home/ruby/m17n-test/ruby/main.c:39: undefined reference to  
`ruby_options' /home/ruby/m17n-test/ruby/main.c:39: undefined reference to`ruby\_run\_node’  
collect2: ld returned 1 exit status