This fixes the following error when trying to run glxinfo or glxgears
with swrast.
undefined symbol: __cxa_pure_virtual
# Library dependencies
#EXTRA_LIB_PATH ?=
-GL_LIB_DEPS = $(EXTRA_LIB_PATH) -lX11 -lXext -lm -lpthread -ltalloc
+GL_LIB_DEPS = $(EXTRA_LIB_PATH) -lX11 -lXext -lm -lpthread -ltalloc -lstdc++
EGL_LIB_DEPS = $(EXTRA_LIB_PATH) -ldl -lpthread
OSMESA_LIB_DEPS = $(EXTRA_LIB_PATH) -L$(TOP)/$(LIB_DIR) -l$(GL_LIB)
GLU_LIB_DEPS = $(EXTRA_LIB_PATH) -L$(TOP)/$(LIB_DIR) -l$(GL_LIB) -lm