make
g++ -std=c++17 build/game/Game.o build/main.o -o bin/run.out -L./lib/SFML-2.5.1/lib -lsfml-graphics -lsfml-window -lsfml-system -lsfml-audio
/usr/bin/ld: warning: libGL.so.1, needed by ./lib/SFML-2.5.1/lib/libsfml-graphics.so, not found (try using -rpath or -rpath-link)
/usr/bin/ld: warning: libXrandr.so.2, needed by ./lib/SFML-2.5.1/lib/libsfml-graphics.so, not found (try using -rpath or -rpath-link)
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glDrawArrays'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glPopAttrib'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `XRRConfigCurrentConfiguration'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `XRRGetOutputInfo'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `glXGetConfig'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glClear'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glDisable'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `XRRQueryVersion'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glViewport'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `glXDestroyPbuffer'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `XRRFreeOutputInfo'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glTexImage2D'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `XRRFreeScreenResources'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glGetTexImage'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glGetError'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `XRRGetOutputPrimary'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glDisableClientState'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glGetString'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glEnableClientState'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `glXDestroyContext'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glPushClientAttrib'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glBlendFunc'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `glXMakeCurrent'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `XRRConfigRotations'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glEnable'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `glXMakeContextCurrent'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glGetIntegerv'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `XRRGetScreenResources'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glColorPointer'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `glXGetProcAddressARB'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glVertexPointer'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `XRRFreeCrtcInfo'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glPopClientAttrib'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `glXCreateContext'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glBindTexture'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `XRRGetCrtcInfo'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glLoadIdentity'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `glXCreatePbuffer'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glDeleteTextures'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glTexParameteri'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glMatrixMode'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `glXQueryExtensionsString'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `glXChooseFBConfig'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glGenTextures'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `glIsEnabled'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `glXQueryVersion'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `glXGetVisualFromFBConfig'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glPushAttrib'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glFlush'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glClearColor'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `XRRSetCrtcConfig'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glCopyTexSubImage2D'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glPushMatrix'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glLoadMatrixf'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glTexSubImage2D'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `XRRFreeScreenConfigInfo'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `XRRGetScreenInfo'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `glXQueryDrawable'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `glXSwapBuffers'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glPopMatrix'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `XRRConfigSizes'
./lib/SFML-2.5.1/lib/libsfml-window.so: undefined reference to `glXGetCurrentContext'
./lib/SFML-2.5.1/lib/libsfml-graphics.so: undefined reference to `glTexCoordPointer'
collect2: error: ld returned 1 exit status
makefile:28: recipe for target 'bin/run.out' failed
make: *** [bin/run.out] Error 1