[Resolvido] Linker Error (Dev-C++)

Olá estou começando a programar allegro...
Mas todos os programas que crio, qndo tento compila dá o seguinte erro:
[Linker error] undefined reference to `_install_allegro_version_check'
[Linker error] undefined reference to `install_keyboard'
[Linker error] undefined reference to `set_color_depth'
[Linker error] undefined reference to `set_gfx_mode'
[Linker error] undefined reference to `_imp__gfx_driver'
[Linker error] undefined reference to `_imp__gfx_driver'
[Linker error] undefined reference to `_imp__gfx_driver'
[Linker error] undefined reference to `create_bitmap'
[Linker error] undefined reference to `_imp__gfx_driver'
[Linker error] undefined reference to `_imp__key'
[Linker error] undefined reference to `vsync'
[Linker error] undefined reference to `_imp__screen'
[Linker error] undefined reference to `blit'
[Linker error] undefined reference to `destroy_bitmap'
[Linker error] undefined reference to `allegro_exit'

e outros e esses são todos comandos que usei no programa.