Originariamente inviato da Sergio Pedone
Aggiungila te nella sezione per linux:

...
ifeq ($(OS), linux)
...
CFLAGS += -DGAMEBLENDER=1
...

prova a ricompilare con make (o hmake)
.........

else
ifeq ($(OS),linux)

export ID = $(shell whoami)
export HOST = $(shell hostname -s)
export NAN_PYTHON ?= /usr
export NAN_PYTHON_VERSION ?= 2.3
export NAN_PYTHON_BINARY ?= $(NAN_PYTHON)/bin/python$(NAN_PYTHON_VERSION)
export NAN_OPENAL ?= /usr
export NAN_FMOD ?= /home/enrico/Documenti/PKG/Blender/fmodapi373linux
export NAN_JPEG ?= /usr
export NAN_PNG ?= /usr
export NAN_ODE ?= /home/enrico/Documenti/PKG/Blender/ode-0.5
export NAN_TERRAPLAY ?= $(LCGDIR)/terraplay
export NAN_MESA ?= /usr
export NAN_ZLIB ?= /usr
export NAN_NSPR ?= $(LCGDIR)/nspr
export NAN_FREETYPE ?= /usr
export NAN_GETTEXT ?= /usr
export NAN_SDL ?= $(shell sdl-config --prefix)
export NAN_SDLLIBS ?= $(shell sdl-config --libs)
export NAN_SDLCFLAGS ?= $(shell sdl-config --cflags)
CFLAGS += -DGAMEBLENDER=1


........


Niente da fare