Resolving dependencies... Configuring OpenGLRaw-1.4.0.0... cabal: Missing dependency on a foreign library: * Missing C library: GL This problem can usually be solved by installing the system package that provides this library (you may need the "-dev" version). If the library is already installed but in a non-standard location then you can use the flags --extra-include-dirs= and --extra-lib-dirs= to specify where it is. Failed to install OpenGLRaw-1.4.0.0 cabal: Error: some packages failed to install: GLFW-0.5.2.0 depends on OpenGLRaw-1.4.0.0 which failed to install. GLURaw-1.4.0.0 depends on OpenGLRaw-1.4.0.0 which failed to install. OpenGL-2.9.1.0 depends on OpenGLRaw-1.4.0.0 which failed to install. OpenGLRaw-1.4.0.0 failed during the configure step. The exception was: ExitFailure 1 bloxorz-0.1.1 depends on OpenGLRaw-1.4.0.0 which failed to install.