#!/bin/bash
LACK_HEADERS="asm-compat.h atomic.h auxvec.h \
	bitops.h bug.h byteorder.h \
	cache.h cputable.h cputime.h current.h div64.h \
	elf.h errno.h \
	fcntl.h \
	hardirq.h hw_irq.h \
	ioctl.h ioctls.h ipcbuf.h irq.h \
	linkage.h local.h \
	mman.h module.h \
	param.h percpu.h poll.h posix_types.h processor.h ptrace.h \
	reg.h resource.h rwsem.h \
	seccomp.h semaphore.h sembuf.h siginfo.h signal.h socket.h sockios.h stat.h string.h synch.h \
	termios.h termbits.h thread_info.h timex.h topology.h types.h \
	uaccess.h unistd.h"
KERNEL_DIR="/usr/src/linux"

case $1 in
	fix|unfix|check)
		echo "Into the Linux Kernel source directry a.k.a ${KERNEL_DIR}." ;
		echo "Go to include/asm-ppc..." ;
		cd ${KERNEL_DIR}/include/asm-ppc ;

		for HEADER in ${LACK_HEADERS} ;
		do
			if [[ $1 == "fix" || $1 == "check" ]]
			then
				echo "Symlink: `ls -l ../asm-powerpc/${HEADER}`." ;
				if [[ $1 == "fix" ]]
				then
					ln -s ../asm-powerpc/${HEADER} ${HEADER} ;
				fi ;
			fi ;
			if [[ $1 == "unfix" || $1 == "check" ]]
			then
				echo "Unsymlink: `ls -l ${HEADER}`." ;
				if [[ $1 == "unfix" ]]
				then
					rm ${HEADER} ;
				fi ;
			fi ;
		done ;

		# Stupid unionfs header file in out of kernel directory. :/
		#ln -s /usr/include/asm/segment.h segment.h ;
	;;
	*)
		echo "Usage: lack_headers.sh [fix|unfix|check]" ;
	;;
esac ;