diff -rc linux-orig/arch/um/os-Linux/Makefile linux-2.4.24/arch/um/os-Linux/Makefile
*** linux-orig/arch/um/os-Linux/Makefile	2004-07-29 23:32:53.000000000 +0200
--- linux-2.4.24/arch/um/os-Linux/Makefile	2004-07-29 23:33:15.000000000 +0200
***************
*** 7,16 ****
  
  obj-y = aio.o file.o process.o time.o tty.o
  
! HAVE_AIO_ABI = $(shell [ -e /usr/include/linux/aio_abi.h ] && \
! 	echo -DHAVE_AIO_ABI)
! HAVE_AIO_LIBC = $(shell objdump -T /lib/libc-*.so | grep io_submit && \
! 	echo -DHAVE_AIO_LIBC)
  CFLAGS_aio.o = $(HAVE_AIO_ABI) $(HAVE_AIO_LIBC)
  
  include $(TOPDIR)/Rules.make
--- 7,14 ----
  
  obj-y = aio.o file.o process.o time.o tty.o
  
! HAVE_AIO_ABI = 
! HAVE_AIO_LIBC = 
  CFLAGS_aio.o = $(HAVE_AIO_ABI) $(HAVE_AIO_LIBC)
  
  include $(TOPDIR)/Rules.make