i tried to compile the opengl tutorial using code::blocks but i alway get errors:
obj\Debug\main.o||In function `main':|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|31|undefined reference to `_glClearDepth@8'|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|32|undefined reference to `_glClearColor@16'|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|35|undefined reference to `_glEnable@4'|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|36|undefined reference to `_glDepthMask@4'|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|39|undefined reference to `_glMatrixMode@4'|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|40|undefined reference to `_glLoadIdentity@0'|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|41|undefined reference to `_gluPerspective@32'|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|60|undefined reference to `_glViewport@16'|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|69|undefined reference to `_glClear@4'|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|72|undefined reference to `_glMatrixMode@4'|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|73|undefined reference to `_glLoadIdentity@0'|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|74|undefined reference to `_glTranslatef@12'|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|75|undefined reference to `_glRotatef@16'|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|76|undefined reference to `_glRotatef@16'|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|77|undefined reference to `_glRotatef@16'|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|80|undefined reference to `_glBegin@4'|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|82|undefined reference to `_glVertex3f@12'|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|83|undefined reference to `_glVertex3f@12'|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|84|undefined reference to `_glVertex3f@12'|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|85|undefined reference to `_glVertex3f@12'|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|87|undefined reference to `_glVertex3f@12'|
obj\Debug\main.o:C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|88|more undefined references to `_glVertex3f@12' follow|
obj\Debug\main.o||In function `main':|
C:\Users\Osiris\Documents\MEINS\OPENGL_1\main.cpp|112|undefined reference to `_glEnd@0'|
||=== Build finished: 23 errors, 0 warnings ===|
what am i doing wrong is there any file missin on my system?