airy@gaia:~/Projects/rubygame$ CFLAGS="-I/usr/include/SDL" LDFLAGS="-L/usr/lib/" rake build --trace
(in /home/airy/Projects/rubygame)
/usr/lib/ruby/1.8/rake/gempackagetask.rb:13:Warning: Gem::manage_gems is deprecated and will be removed on or after March 2009.
** Invoke build (first_time)
** Invoke ext/rubygame/rubygame_core.so (first_time, not_needed)
** Invoke ext/rubygame/rubygame_main.o (first_time, not_needed)
** Invoke ext/rubygame/rubygame_main.c (first_time, not_needed)
** Invoke ext/rubygame/rubygame_shared.o (first_time, not_needed)
** Invoke ext/rubygame/rubygame_shared.c (first_time, not_needed)
** Invoke ext/rubygame/rubygame_event.o (first_time, not_needed)
** Invoke ext/rubygame/rubygame_event.c (first_time, not_needed)
** Invoke ext/rubygame/rubygame_event2.o (first_time, not_needed)
** Invoke ext/rubygame/rubygame_event2.c (first_time, not_needed)
** Invoke ext/rubygame/rubygame_gl.o (first_time, not_needed)
** Invoke ext/rubygame/rubygame_gl.c (first_time, not_needed)
** Invoke ext/rubygame/rubygame_joystick.o (first_time, not_needed)
** Invoke ext/rubygame/rubygame_joystick.c (first_time, not_needed)
** Invoke ext/rubygame/rubygame_screen.o (first_time, not_needed)
** Invoke ext/rubygame/rubygame_screen.c (first_time, not_needed)
** Invoke ext/rubygame/rubygame_surface.o (first_time, not_needed)
** Invoke ext/rubygame/rubygame_surface.c (first_time, not_needed)
** Invoke ext/rubygame/rubygame_clock.o (first_time, not_needed)
** Invoke ext/rubygame/rubygame_clock.c (first_time, not_needed)
** Invoke ext/rubygame/rubygame_gfx.so (first_time)
** Invoke ext/rubygame/rubygame_shared.o (not_needed)
** Invoke ext/rubygame/rubygame_gfx.o (first_time, not_needed)
** Invoke ext/rubygame/rubygame_gfx.c (first_time, not_needed)
** Execute ext/rubygame/rubygame_gfx.so
Linking compiled files to create rubygame/rubygame_gfx.so
/usr/bin/ld: ext/rubygame/rubygame_gfx.o: relocation R_X86_64_32 against `a local symbol' can not be used when making a shared object; recompile with -fPIC
ext/rubygame/rubygame_gfx.o: could not read symbols: Bad value
collect2: ld returned 1 exit status
rake aborted!
Command failed. Aborting.
/home/airy/Projects/rubygame/Rakefile:69:in `try_shell'
/home/airy/Projects/rubygame/Rakefile:318:in `create_dl_task'
/usr/lib/ruby/1.8/rake.rb:544:in `call'
/usr/lib/ruby/1.8/rake.rb:544:in `execute'
/usr/lib/ruby/1.8/rake.rb:541:in `each'
/usr/lib/ruby/1.8/rake.rb:541:in `execute'
/usr/lib/ruby/1.8/rake.rb:508:in `invoke_with_call_chain'
/usr/lib/ruby/1.8/rake.rb:501:in `synchronize'
/usr/lib/ruby/1.8/rake.rb:501:in `invoke_with_call_chain'
/usr/lib/ruby/1.8/rake.rb:518:in `invoke_prerequisites'
/usr/lib/ruby/1.8/rake.rb:1183:in `each'
/usr/lib/ruby/1.8/rake.rb:1183:in `send'
/usr/lib/ruby/1.8/rake.rb:1183:in `each'
/usr/lib/ruby/1.8/rake.rb:515:in `invoke_prerequisites'
/usr/lib/ruby/1.8/rake.rb:507:in `invoke_with_call_chain'
/usr/lib/ruby/1.8/rake.rb:501:in `synchronize'
/usr/lib/ruby/1.8/rake.rb:501:in `invoke_with_call_chain'
/usr/lib/ruby/1.8/rake.rb:494:in `invoke'
/usr/lib/ruby/1.8/rake.rb:1931:in `invoke_task'
/usr/lib/ruby/1.8/rake.rb:1909:in `top_level'
/usr/lib/ruby/1.8/rake.rb:1909:in `each'
/usr/lib/ruby/1.8/rake.rb:1909:in `top_level'
/usr/lib/ruby/1.8/rake.rb:1948:in `standard_exception_handling'
/usr/lib/ruby/1.8/rake.rb:1903:in `top_level'
/usr/lib/ruby/1.8/rake.rb:1881:in `run'
/usr/lib/ruby/1.8/rake.rb:1948:in `standard_exception_handling'
/usr/lib/ruby/1.8/rake.rb:1878:in `run'
/usr/bin/rake:28