vidix/mga_vid.o:mga_vid.c:(.text+0xdda): undefined reference to `__chkstk_ms' vidix/mga_crtc2_vid.o:mga_crtc2_vid.c:(.text+0x10ea): undefined reference to `__chkstk_ms'
meant "do a make clean then make again, you're using a different gcc which must be different somehow"